Manuel Landa’s Flashcard Machine

Describe electron configuration that makes an atom stable and not likely to react.
It is when the atom’s highest energy level is filled with electrons.
Some elements achieve stable electron configuration through the transfer of ;; ; ; ; ; ; ; ; ;.
An ion is an atom that has a net positive or negative electric charge.
An ion with a negative charge.
An ion with a positive charge.
Ionic Bond
Bond formed by the transfer of electrons.
The shape of an ionic crystal depends on;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;.
On the arrangement of ions in its lattice.
The attraction between the ions in the crystal lattice is weak.
Describe a covalent bond.
Chemical bond in which two atoms share valence electrons.
Describe a molecule.
A molecule is ;a neutral group of atoms that are held together by one or more covalent bonds.
The new substances formed as a result of a chemical reaction are called products.
The law of conservation of matter states that mass is neither created nor destroyed in a chemical reaction.
A chemical reaction must be balanced in order in order to show that mass is conserved during a chemical reaction.
The numbers that appear before the formulas in a chemical equation.
Counting unit to measure amounts of a substance because chemical reactions often involve large amounts of small particles.
Name five types of chemical reactions.
Synthesis, decomposition, single replacement, double replacement, and combustion.
What is a double replacement reaction?
It is a reaction in which two different compounds exchange cations and form two new compounds.
Process in which an element gains electrons during a chemical reaction.
Which reactions create water?
a synthesis and combustion reaction.
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