Chemical Bond Test Review

Front

If there is no subscript, there is ______ atom(s) of that element.

Back

only 1

Front

How many oxygen atoms are in 3Mg(NO3)2?

Back

18

Front

Ionic bonding is between a ______.

Back

metal and nonmetal

Front

A solid substance is soft, has a low melting point and is a poor conductor of electricity. The substance is most likely formed with ______.

Back

covalent bonds

Front

What is the electron dot model for oxygen?

Back

O: •• (2 dots representing valence electrons)

Front

What is a chemical bond?

Back

A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

Front

What are the two main types of chemical bonds?

Back

Ionic bonds and covalent bonds.

Front

What is an ionic bond?

Back

An ionic bond is formed when one atom transfers electrons to another atom, resulting in oppositely charged ions.

Front

What is a covalent bond?

Back

A covalent bond is formed when two atoms share one or more pairs of electrons.

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a compound.