Chem Spring Semester Review

65.5 when rounded to two significant figures is:

• 65
• 66
• 70
• 60

What atoms make up an ionic bond?

• Metal and Nonmetal
• 2 Nonmetals
• 2 Metals
• Diatomic molecules

Tags

NGSS.HS-PS1-3

What atoms make up a covalent bond?

• Metal and Nonmetal
• 2 Nonmetals
• 2 Metals
• Diatomic molecules

What decreases when a bond forms?

• Energy
• Stability
• Electrons
• Charge

Select the name for AlBr₃

• Aluminum bromide
• Aluminum (III) bromide
• Aluminum (I) bromide
• Aluminum tribromide

Write the formula for Chromium (III) sulfate

• Cr₂(SO₄)₃
• Cr₃(SO₄)₂
• Cr₂(SO₃)₃
• Cr₃(SO₃)₂

Select the formula for sulfur trioxide

• SO₃
• SO4
• S₃O
• SO₄^3-

Select the name of CCl₄

• Carbon (IV) chloride
• Carbon tetrachloride
• Monocarbon tetrachloride
• Carbon (I) chloride

Select the name of CuO

• Copper (II) oxide
• Copper (I) oxide
• Copper monoxide
• Monocopper monoxide

Tags

NGSS.HS-PS1-2

What is the name of the formula written in the smallest whole-number ratios?

• Empirical formula
• Molecular formula
• Ionic formula
• Covalent formula