Unit 5 Chemical Bonding Review

Front

The chemical bond formed when 2 atoms share electrons is called ?

Back

Covalent Bond

Front

Which is the reason why atoms of sodium and chlorine attract each other?

Back

Sodium has a positive charge and Chlorine has a negative charge

Front

Which of the following is a similarity between ionic and covalent bonding? Both include the gaining and losing of electrons, Both include sharing of electrons, Both make the elements more stable, Both are typically found as solids at room temperature

Back

Both make the elements more stable

Front

__________ bonds are usually the strongest.

Back

Covalent

Front

Which of the following is an example of a molecule? H2O, NaF, Mg3N2, All of these answers are molecules

Back

H2O

Front

How many electrons are needed in the outer energy level for most atoms for the atom to be chemically stable? Options: 2, 4, 6, 8

Back

8

Front

The electrons that are lost, gained, or shared in chemical bonds are called ?

Back

Valence Electrons

Front

Which element is most likely to gain electrons in a chemical reaction? Options: Kr, K, Br, Ca

Back

Br

Front

Which of the following is the correct name between a compound of Magnesium and Sulfur? Options: Magnesium Sulfur, Magnesium Sulfide, Magnesium (II) Sulfide, Dimagnesium Disulfide

Back

Magnesium Sulfide

Front

Which atoms are most likely to form covalent bonds? Options: Metal atoms that share electrons, Metal atoms that share protons, Nonmetal atoms that share electrons, Nonmetal atoms that share protons

Back

Nonmetal atoms that share electrons