Unit 3b

Magnesium ion would take a charge of

• 1+

• 2+

• 3+

• 0

Ionic compounds are bonds between

• Metals and Metals

• Metals and Nonmetals

• Nonmetals and Nonmetals

• None of the above

The chemical formula for an ionic compound of potassium and oxygen is

• KO.

• K₂O.

• K₂O₂.

• KO₂.

Tags

NGSS.MS-PS1-1

Which is most likely to form a negative ion?

• an element from group 17

• a metal

• an element from group 1

• an element with atoms that have eight valence electrons

Which of these compounds is ionic? 

• Carbon dioxide

• Dinitrogen Trioxide

• Silicon tetrachloride

• Lithium bromide

Tags

NGSS.HS-PS1-3

Why do all bonds form?

• so the number of protons equals the number of electrons

• so an atom can become unstable

• to fill the outermost energy level

Which of the following apply to Group 18 on the Periodic Table?

• They are called "Noble Gases"

• They have 8 valence electrons

• They are stable and unlikely to react with other elements

• all of the above

What is the oxidation number for Group 1 Alkali Metals?

• 1-

• 1+

• 0

• 2+

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the written name for the ionic compound?

Tags

NGSS.MS-PS1-1

What is the chemical formula for an ionic compound with the following elements?

Tags

NGSS.MS-PS1-1