11/6 Flashcards

Front

The chemical bond formed when two atoms share electrons is call a(n)

Back

covalent bond

Front

Which pair of atoms will combine with each other and form an ionic bond?

Back

Ca and Br

Front

Which element is likely to gain electrons in a chemical reaction?

Back

Br

Front

Which formula represents a substance that contains covalent bonds?

Back

CO₂

Front

Which atoms are most likely to form covalent bonds?

Back

Nonmetal atoms that share electrons

Front

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

Back

valence electrons

Front

Which of the following is NOT an example of covalent bonding? H₂O, NaF, NH₃, O₂

Back

NaF

Front

How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?

Back

8

Front

The properties of a compound are _________ the properties of the elements that form it.

Back

different from

Front

Why do atoms of sodium and chlorine attract each other in a salt crystal?

Back

Sodium has a positive charge and chlorine has a negative charge