CHEM Unit 5 Review Sp2020

Which of the following statement(s) are true of IONIC bonds?

• Have high melting and boiling points.

• When they dissolve in water, they break into molecules, not individual atoms.

• Conduct electricity when molten or dissolved in water.

• Relatively soft and flexible

• Form crystal structures that are hard and brittle.

How many atoms are there in the compound MgCO₃?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

How many atoms of carbon (C) are in  C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Tags

NGSS.MS-PS1-1

Name this formula:

CCl₄

• carbon tetrachloride

• monocarbon tetrachloride

• tetracarbon monochloride

• carbon chloride

Name this formula:

KNO₃

• Potassium Nitrogen Oxide

• Potassium Nitride

• Potassium Nitrate

• Potassium (I) Nitrite

Name this formula:

LiClO₃

• lithium chlorate

• lithium(I) chlorate

• lithium chloride

• lithium(III) chlorate

Name this formula:

MgF₂

• magnesium fluoride

• manganese phosphide

• magnesium(III) fluoride

• magnesium(II) fluoride

Name this formula:

CuO

• copper (II) oxide

• copper oxide

• copper (I) oxide

• carbon uranium oxide

Name this formula:

CuCO₃

• cobalt carbonate

• copper (III) carbonate

• copper (II) carbonate

• copper carbonate

Name this formula:

NH₄OH

• ammonium hydroxide

• ammonia oxyhydride

• mononitrogen tetraoxihydride

• ammonium(I) hydroxide