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Writing Ionic Formulas

Authored by Patricia Malcolm

Science

10th Grade

NGSS covered

Used 2+ times

Writing Ionic Formulas
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41 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Na +  and  S -2

Na2S
NaS2
Na2S2
NaS

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

+  and  N-3

KN
KN3
K3N3
K3N

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

KO.
K2O.
K2O2.
KO2.

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many valence electrons does a bromine atom have?

1
2
6
7

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the charge of an atom that has lost one electron?

-1
-2
+1
+2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the correct formula for the compound, lithium oxide?

LiO
Li2O
LiO2
Li2O2

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula for manganese(III) oxide?

MgO
Mg2O3
MnO
Mn2O3

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