unit 3 review

unit 3 review

11th Grade

•

62 Qs

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unit 3 review

unit 3 review

Assessment

Quiz

•

Chemistry

•

11th Grade

•

Medium

Created by

Brittany Covalt

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62 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If an atom becomes an ion with a 2+ charge, what does that mean?

It has lost 2 electrons
It has gained 2 electrons
The atom is in period 2
The atom has an atomic # of 2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do the following two elements bond together?
Cr3+  O2-         

CrO
Cr3O2
Cr2O3
CrO3

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do the following two elements bond together?
K1+  S2- 

KS
K8S
K6S3
K2S

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the formula for magnesium chloride?

MgCl
Mg2Cl
MgCl2
Mg(ClO3)2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of these combinations is an ionic compound made of?

Metal and Metal
Nonmetal and Nonmetal
Metal and Nonmetal
Cation and Cation

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the element/ion symbol for Iron(III)?

Fe
Fe3+
Fe3-
Fe(III)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

KO.
K2O.
K2O2.
KO2.

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