Foundations of chemistry – Flashcards

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MOLAR MASS OF WATER
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18 g/mol
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MOLAR MASS OF CARBON DIOXIDE (CO2)
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44 g/mol
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MOLAR MASS OF CARBON MONIXIDE

(CO)

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28 g/mol
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LEWIS DOT OF WATER
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O

H     H

 

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LEWIS DOT FOR OXYGEN MOLECULE
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O  O

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LEWIS DOT FOR NITROGEN MOLECULE

(N2)

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N   N

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AVOGADROS'S NUMBER
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6.02X1023 (molecules, atoms or particles)
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DIATOMIC MOLECULES
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;

;

Br2, I2, N2, Cl2, H2, O2, F2

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WHAT IS AN ISOTOPE?
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ELEMENT WITH SAME ATOMIC NUMBER

BUT DIFFERENT ATOMIC MASS

OR

ELEMENT WITH SAME NUMBER OF PROTONS

BUT DIFFERENT NUMBER OF NEUTRONS

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FORMULA OF METHANE
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CH4
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FORMULA OF PROPANE
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C3H8
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NUMBER OF BONDS IN CARBON
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4

;

-C-

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ELEMENT THAT FORMS SINGLE, DOUBLE AND TRIPLE BONDS
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CARBON

;

C-C, C=C, C;C

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ATOMIC NUMBER
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IT IS THE NUMBER OF PROTONS
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ATOMIC MASS
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IT IS THE NUMBER OF PROTONS AND NEUTRONS IN AN ATOM
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HYDROCHLORIC ACID
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HCl
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SULFURIC ACID
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H2SO4
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NITRIC ACID
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HNO3
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HYDROGEN PEROXIDE
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H2O2
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SODIUM HYDROXIDE
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NaOH
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CALCIUM HYDROXIDE
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Ca(OH)2
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ELECTRON CONFIGURATION OF HYDROGEN
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1S1
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ELECTRON CONFIGURATION OF HELIUM
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1S2
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ELECTRON CONFIGURATION SEQUENCE
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1s2,2s2,2p6,3s2,3p6

,4s2,3d10,4p6

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FAMILY 1
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ALKALI METALS
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FAMILY 2
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ALKALINE EARTH METALS
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FAMILY 17
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HALOGENS
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FAMILY 18
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NOBLE GASES
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IONIC BOND
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METAL WITH A NON-METAL
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COVALENT BOND
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NON-METAL WITH NON-METAL
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SMALLEST ATOM
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HYDROGEN
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ATOM WITH GREATEST SIZE
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FRANCIUM
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ELEMENT WITH HIGHEST IONIZATION ENERGY
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HELIUM
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ELEMENT WITH HIGHEST ELECTRONGEGATIVITY
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FLUORINE
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FORMULA TO FIND NEUTRONS
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ATOMIC MASS - ATOMIC NUMBER

;

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CHARGE OF A PROTON
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POSITIVE (+)
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CHARGE OF AN ELECTRON
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NEGATIVE (-)
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HEAVIEST PART OF THE ATOM

OR DENSE PART OF THE ATOM

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NUCLEUS
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WHAT IS A CATION?
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ELEMENT THAT LOSES ELECTRONS
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WHAT IS AN ANION?
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ELEMENT THAT GAINS ELECTRONS
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WHICH ELEMENTS FORM CATIONS?
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METALS
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WHICH ELEMENTS FORM ANIONS?
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NON-METALS
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VALENCE ELECTRONS
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ELECTRONS AVAILABLE FOR BONDING
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VALENCE ELECTRONS OF FAMILY 1
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ONE
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VALENCE ELECTRONS OF FAMILY 2
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TWO
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VALENCE ELECTRONS OF FAMILY 13
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THREE
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VALENCE ELECTRONS OF FAMILY 14
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FOUR
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VALENCE ELECTRONS OF FAMILY 15
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FIVE
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VALENCE ELECTRONS OF FAMILY 16
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SIX
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VALENCE ELECTRONS OF FAMILY 17
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SEVEN
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NUMBER OF PERIODS, ENERGY LEVELS, ROWS
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SEVEN
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VALENCE ELECTRONS OF FAMILY 18
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EIGHT
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ALPHA PARTICLES
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STOP WITH PAPER, SKIN.

2 He4

;

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HYDROCHLORIC ACID
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HCl
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SULFURIC ACID
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H2SO4
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NITRIC ACID
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HNO3
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HYDROGEN PEROXIDE
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H2O2
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SODIUM HYDROXIDE
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NaOH
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SULFATE
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SO4 -2
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NITRATE
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NO3 -1
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SULFITE
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SO3 -2
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NITRITE
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NO2 -1
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CYANIDE
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CN -1
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HYDROBROMIC ACID
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HBr
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MOLES TO GRAMS
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MULTIPLY BY MOLAR MASS

MM


1 mol

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GRAMS TO MOLES
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DIVIDE BY MM

1mol


MM

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MOLES TO (PARTICLES, MOLECULES OR ATOMS)
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MULTIPLY BY 6.02X1023

6.02X1023 atoms


1 mol

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(PARTICLES, ATOMS OR MOLECULES) TO MOLES
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DIVIDE BY 6.02X1023

1 mol


6.02x1023

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GRAMS TO (PARTICLES, ATOMS OR MOLECULES)
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6.02X1023


;

MM

;

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(PARTICLES, ATOMS OR MOLECULES) TO GRAMS
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MM


6.02X1023

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HOW IS THE PERIODIC TABLE ARRANGED?
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BY INCREASING THE ATOMIC NUMBER
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WHY DO ELEMENTS GIVE OR TAKE ELECTRONS
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BECAUSE ALL ELEMENTS WANT TO BE LIKE A NOBLE GAS
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SYNTHESIS REACTION
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A + B ; AB
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DECOMPOSITION REACTION
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AB ; A+ B
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SINGLE REPLACEMENT
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A + BC ; AC + B
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DOUBLE REPLACEMENT
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AB + CD ; AD + CB
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COMBUSTION
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CXHY + O2 ; CO2 + H2O
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IONIZATION ENERGY
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ENERGY REQUIRED TO LOSE ONE ELECTRON
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ELECTRONEGATIVITY
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STRENGTH TO ATTRACT A PAIR OR ELECTRONS
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ELEMENT WITH HIGHEST ELECTRONEGATIVITY
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FLUORINE
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ELEMENT WITH HIGHEST IONIZATION ENERGY
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HELIUM
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BETA PARTICLE
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-1 e 0

;

;

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CHLORIC ACID
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HClO3
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CHLOROUS ACID
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HClO2
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AMMONIA
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NH3
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AMMONIUM
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NH4+
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ACETIC ACID
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CH3COOH

;

C2H4O2

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ACETATE
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CH3COO -1

;

OR

;

C2H3O2 -1

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NEUTRAL ATOMS
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IN A NEUTRAL ATOM THE NUMBER OF PROTONS AND ELECTRONS IS THE SAME
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ELECTROLYTE
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A SOLUTION THAT CONDUCTS ELECTRICITY
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ORBITALS

AND THE MAXIMUM NUMBER OF ELECTRON PER ORBITAL

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s2, p6, d10, f14
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METALS
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MOST OF THE ELEMENTS ON THE PERIODIC TABLE.

GIVE ELECTRONS.

CONDUCT ELECTRICITY

MOST OF THEM ARE SOLIDS

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NON-METALS
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RIGHT SIDE OF THE PERIODIC TABLE

DO NOT CONDUCT ELECTRICITY

MOST OF THE GASES

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METALLOIDS
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ELEMENTS LOCATED BETWEEN THE METALS AND NON-METALS

SEMI-METALS

SEMI CONDUCTORS OF ELECTRICITY

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ATOMIC SIZE

IONIC SIZE

ATOMIC RADIUS

IONIC RADIUS

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DECREASES FROM LEFT TO RIGHT

;

INCREASES FROM TOP TO BOTTOM

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IONIZATION ENERGY TREND
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INCREASES FROM LEFT TO RIGHT

;

DECREASES FROM TOP TO BOTTOM

;

NOBLE GASES ARE INCLUDED

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ELECTRONEGATIVITY
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INCREASES FROM LEFT TO RIGHT

;

DECREASES FROM TOP TO BOTTOM

;

NOBLE GASES ARE NOT INCLUDED

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NAMING COMPOUNDS WITH TRANSITION METALS
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ALWAYS USE ROMAN NUMERALS

;

EX.

Fe 2+ iron (II)

Fe 3+ iron (III)

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LEWIS DOT OF HELIUM
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;

;

He

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LEWIS DOT FOR NEON, ARGON, KRYPTON, RADON
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;

;

Ne

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