METALS AND NONMETALS CLASS X

A cation is a ____ ion.

• negative
• positive
• neutral
• ficticious

Tags

NGSS.HS-PS1-2

Nitrogen will form which of the following ions?

• N
• N^-3
• N^-5
• N⁺⁵

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds happen because of the ____ of valence electrons.

• sharing
• transfer

Tags

NGSS.HS-PS1-2

Which of the following would produce an anion?

• Ca
• Al
• K
• F

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

Tags

NGSS.MS-PS1-1

What is the formula of Sodium oxide?

• Na2O
• NaO₂
• Na₂O₂
• Na₂O

To form a charge of +2 an atom must _ electrons.  To form -3 it must _ electrons.

• Gain 2; Lose 3
• Gain 3; Lose 2
• Lose 2; Gain 3
• Lose 3; Gain 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is NOT a property of ionic compounds?

• They conduct electricity when molten

• They conduct electricity when in solution

• They have high boiling points

• They are insoluble in water

The chemical bond between a metal and a non-metal will be a _____ bond.

• metal

• ionic

• covalent

• polar

Tags

NGSS.HS-PS1-2

Which of these is the correct match to form an ionic compound?

• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2