Chemical Ions and Bonding

Ionic bonds form when ions share electrons.

• True
• False

In sodium chloride, sodium gives an electron to chlorine.

• True
• False

Tags

NGSS.HS-PS1-2

Ionic bonds form only between atoms of nonmetals.

• True
• False

The amount of energy needed to form an ion depends only on the number of valence electrons.

• True
• False

Francium has the same number of valence electrons as lithium.

• True
• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Alkali metals release the most energy when they become ions.

• True
• False

Tags

NGSS.HS-PS1-4

When an atom of iodine becomes an ion, it is named iodide.

• True
• False

Salt consists of molecules of sodium and chloride atoms.

• True
• False

Tags

NGSS.MS-PS1-1

Ionic compounds are usually liquids at room temperature.

• True
• False

Water is an example of an ionic compound. 

• True
• False