Ions and Ionic Compounds

MgCl₂

• Ionic

• Covalent

• Polyatomic Ion

• Metallic 

Tags

NGSS.MS-PS1-1

If Ca has a 2+ charge and phosphorus has a 3+ charge, then how many atoms of Calcium and phosphorus are needed to produce neutral Calcium phosphide?

• 2 Calcium

  2 Phosphorus

• 3 Calcium

  1 Phosphorus

• 3 Calcium

  2 Phosphorus

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the proper name for an ionic compound with Ba and N?

• Nitrogen barium

• Nitrogen baride

• Barium nitrogen

• Barium nitride

Why are ions formed?

• To make our lives difficult

• Because atoms want 8 valence electrons

• Because atoms have the same number of protons and electrons

• Because atoms gained neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom becomes _________ when it gains electrons.

• Positive

• Negative

• Neutral

• Invinsible

Tags

NGSS.MS-PS1-2

What is the charge of a sodium ion?

• +2

• +1

• -1

• -2

Group 17 always has ions with a charge of 

• +1

• +2

• -1

• -2

What charge will an Oxygen ion have? 

• +1

• -1

• +2

• -2

Tags

NGSS.HS-PS1-1

If an element has 3 valence electrons, what charge will likely form on its ion ?

• +3

• +5

• -3

• -5

Elements on the LEFT side of the periodic table will most likely form:

• Positive ions

• Negative ions

• Neutral Ions

• None of these