Chemical Bonds

Front

If an atom gains two electrons, what charge will it have?

Back

-2

Front

A bond between two nonmetal atoms is a __________ bond.

Back

covalent

Front

Which of the following is NOT a covalent bond? K₂S, H₂O, I₂, CO₂

Back

K₂S

Front

Which of the following describes covalent bonds?

Back

electrons are shared to fill outer electron shells

Front

Covalent bonds are between...

Back

two or more nonmetals

Front

Ionic bonds form between ---

Back

metals and nonmetals.

Front

What is the name for an ion with a negative charge?

Back

anion

Front

Which compound has high melting point?

Back

Ionic

Front

The octet rule states that most elements want to have _____ valence electrons.

Back

8

Front

Which of the following is NOT an ionic bond? NH₃, KCl, K₃N, NaCl

Back

NH₃