Chem Exam 2 Review 2

Which of the following is an ionic compound:

• CH4
• I2
• LiBr2
• CO

Tags

NGSS.HS-PS1-3

What would be the proper chemical formula for combining Al³⁺ and Cl^- :

• AlCl₃
• Al₃Cl
• AlCl
• Al₃Cl₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name the following ionic compound: BeCl₂

• beryllium chlorine
• beryllium II chloride
• beryllium chloride
• beryllium dichloride

name the following ionic compound: NaF

• nitrogen fluorine
• sodium fluoride
• nitrogen fluoride
• sodium fluorine

Tags

NGSS.HS-PS1-2

Which of the following combinations would need roman numerals in the name?

• potassium + fluorine
• beryllium + oxygen
• boron + iodine
• silver + oxygen

What is the formula for Calcium phosphide?

• CaP
• Ca₂P₃
• Ca₃P₂
• Ca₂P

Tags

NGSS.HS-PS1-1

What is the formula for Copper(I) Sulfate?

• CuSO₃
• CuSO₄
• Cu₂SO₃
• Cu₂SO₄

A positive ion has lost a(n)

• proton
• electron
• neutron
•  quark

A negative ion has gained a(n)

• proton
• electron
• neutron
•  quark

Tags

NGSS.HS-PS1-1

Metal ions are always

• positive
• negative
• neutral
• free

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2