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group (or family)

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vertical column on periodic table. elements that have similar properties

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period

answer

horizontal row in the periodic table

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alkali metals

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group 1a. include elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), Francium (Fr)

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alkaline earth metals

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group 2a. include beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra)

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halogens

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group 7a. Include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At). seven valence electrons

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noble gases

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group 8a. Include helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn)

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metals

answer

shiny solids, i.e. copper (Cu), gold (Au), and silver (Ag). They are ductile (can be shaped into wires) and malleable (can be hammered flat). Good condutors of heat and electricity

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nonmetals

answer

often poor conductors of heat and electricity, they have low melting points and low densities i.e. hydrogen (H), carbon (C), nitrogen (N), oxygen (O), chlorine (Cl) and sulfur (S)

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metalloids

answer

elements with properties of both metals and nonmetals, located along the heavy zigzag line on the periodic table.

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atomic number

answer

number that is equal to the number of protons in an atom

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atomic symbol

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abbreviation used to indicate the mass number and atomic number of an isotope

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chemical symbol

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abbreviation that represents the name of an element

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electron

answer

negatively charged subatomic particle having a very small mass that is usu ignored in calculations; its symbol is e-

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electron - dot symbol

answer

representation of an atom that shows valence electorns as dots around the symbol of the element

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energy level

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group of electrons with similar energy

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group number

answer

number that appears at the top of each vertical column (group) in the periodic table that contains elements having similar physical and chemical properties

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ionization energy

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energy needed to remove the least tightly bound electron from the outermost energy level of an atom

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isotope

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atom that differs only in mass number from another atom of the same element. Isotopes have the same atomic number (number of protons), but different numbers of neutrons

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mass number

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total number of protons and neutrons in the nucleus of an atom

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metallic character

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a measure of how easily an element loses a valence electron

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neutron

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neutral subatomic particle having a mass of about 1 amu and found in the nucleus of an atom

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nonmetal

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element with little or no luster that is a poor conductor of heat and electricity - located to the right of the zigzag line

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nucleus

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compact very dense center of an atom, containing the protons and neutrons of the atom

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proton

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positively charged subatomic particle having a mass of about 1 amu and found in the nucleus of an atom

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valence electrons

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electrons in the outermost energy level of an atom

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Quiz 10

answer

Quiz 10

question

According to the Bronsted-Lowry definition, ANSWER;A

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A) an acid is a proton acceptor B) a base produces H+ ions in aqueous solutions C) A base is a proton acceptor D) an acid acts as the solvent E) A base is a proton donor

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The name of Ak(OH)3 is ANSWER;A

answer

A) aluminum hydroxide B) monoaluminum trihydroxide C) Aluminum(III) hydroxide D) aluminum trihydroxide E) aluminum oxygen hydride

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What is [H30+] in a solution with [OH-] = 1 x 10-12 M ANSWER; D

answer

A) 1 x 10-12 M B) 1 x 102 M C) 1 x 10-8 M D)1 x 10-2 M E) 1 x 10-7 M

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For Kw, the product of [H3O+] and [OH-] is ANSWER; B

answer

A) 1.0 x 10-7 B) 1.0 x 10-14 C) 1.0 D) 1.0 x 10-1 E) 1.0 x 1014

question

What is the pH of a solution with [H3O+] = 1 x 10-9 M ANSWER; A

answer

A) 9.0 B) 1.0 x 10-5 C) 5.0 D) -9.0 E) -5.0

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An acid and base react to form a salt and water in a(n) _______C_____ reaction.

answer

A) dissociation B) oxidation C) neutralization D) reduction E) ionization

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Normal blood pH is about ANSWER; D

answer

A) 6.8 B) 7.6 C) 7.0 D) 7.4 E) 7.2

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What is the name of the medical condition of an asthmatic patient with a blood pH of 7.30 ANSWER; E

answer

A) metabolic acidosis B) metabolic alkalosis C) diabetes mellitus D) respiratory alkalosis E) respiratory acidosis

question

25.0 mL of 0.212 M NaOH is nuetralized by 13.6 mL of an HCl solution. The molarity of the HCl solution is. ANSWER; C

answer

A) 0.115 M B) 0.137 M C) 0.390 M D) 0.212 M E) 0.500 M

question

The neutralization reaction between Al (OH)3 and hno3 produces the salt with the formula ANSWER; A

answer

A) Al(NO3)3 B) AlH2 C) AlNO3 D) H2O

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Quiz 11

answer

Quiz 11

question

Compounds with the same molecular formula but different arrangements of atoms are called ANSWER;B

answer

A) Indicators B) Isomers C) Isotopes D) Isozymes

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In the three-dimensional structure of methane, CH4, the hydrogen atoms attached to a carbon atom are aligned ANSWER; C

answer

A) at the corners of a rectangle B) at the corners of a cube C) at the corners of a tetrahedron D) at the corners of a square

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A hydrocarbon contains only the elements ANSWER; E

answer

A) Hydrogen and oxygen B) carbon, hydrogen, and nitrogen C) carbon, hydrogen, and oxygen D) carbon and oxygen E) carbon and hydrogen

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Organic chemistry is the study of the chemistry of compounds of ANSWER; A

answer

A) carbon B) hydrogen C) polymers D) oxygen

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How many valence electrons does carbon have ANSWER; A

answer

A) four B) one C) five D) two

question

The carbon atoms in saturated hydrocarbons ANSWER; B

answer

A) contain at least one triple bond B) have only single bonds C) contain both a double and triple bond D) contain at least one double bond

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What is the name of the continuous chain alkane with six carbon atoms ANSWER; E

answer

A) heptane B) butane C) octane D) pentane E) hexane

question

What is/are the product(s) of complete combustion ANSWER;A

answer

A) CO2 + H2O B) CO2 only C) H20 only D) CO only

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A cycloalkane ANSWER; B

answer

A) has two fewer carbon atoms than the corresponding alkane B) has two fewer hydrogen atoms than the corresponding alkane C) always contains a three carbon ring D) has no hydrogen atoms

question

The simplest cycloalkane has ANSWER; A

answer

A) three carbon atoms B) five carbon atoms C) two carbon atoms D) four carbon atoms

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What is the name for a one-carbon alkyl substituent?ANSWER; B

answer

A) ethyl B) methyl C) propyl D) butyl

question

Quiz 11; True or False

answer

True or False

question

Isomers have the same molecular formula

answer

True

question

In a cis alkene, the groups are on the same side of the double bond

answer

True

question

One essential building block of aspirin, ibuprofen, and acetaminophen is benzene.

answer

True

question

Quiz 11 Multiple Choice

answer

Multiple Choice

question

The reaction of hydrogen (H2) and propene using a platinum catalyst is called ANSWER; C

answer

A) Substitution B) Addition C) Combustion D) Condensation

question

The structural formula of benzene is often represented as a ANSWER; E

answer

A) cycloalkyne B) ring of six carbon atoms with six double bonds C) Ring of five carbon atoms D) Ring of six carbon atoms with a circle in the center E) cycloalkane

question

What is the molecular formula of benzene? ANSWER; A

answer

A) C6H6 B) C6H4 C) c6h8 D) C6H12

question

Insects communicate with chemicals called ANSWER; E

answer

A) signals B) markers C) scents D) isomers E) pheromones

Chapter 5 Nuclear Chemistry – Timberlake 12th edition – Flashcards

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