Ionic and Acid Compounds

A neutral atom has the electron configuration 1s² 2s² 2p⁶ 3s² 3p¹. How many valance electrons does it have?

• 1

• 2

• 3

• 6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A neutral atom has the electron configuration 1s² 2s² 2p⁶ 3s² 3p¹ . What will the charge be when the atom forms an ion.

• 1-

• 3-

• 1+

• 3+

Tags

NGSS.HS-PS1-1

Which of the following is an ionic compound:

• SO₄^2-

• I₂

• LiBr₂

• CO

Tags

NGSS.HS-PS1-3

Name the following ionic compound: BeCl₂

• beryllium chlorine

• beryllium(I) chloride

• beryllium chloride

• beryllium dichloride

Name the following ionic compound: MgSO₄

• magnesium sulfoxide

• magnesium sulfide

• magnesium sulfate

• magnesium sulfite

Name the following compound: FeCl₃

• iron chloride

• iron(III) chloride

• iron chlorate

• iron(III) chlorate

What is the formula unit for copper(II) chloride?

• CuCl₂

• CuCl

• Cu₂Cl

• Cu₂Cl₂

If you have an oxyacid and it contains an -ite polyatomic ion, then acid's ending will change to _____. 

• -ic 
• -ous 
• hydro-root-ic acid 
• -ate 

What element do all acids contain?

• H
• O
• C
• He

What is the formula for carbonic acid?

• H₂CO₃

• H₂CrO₄

• H₂C₂O₄

• HCO₃