ionic formulae
Authored by David Read
Chemistry
8th Grade
NGSS covered
Used 207+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the formula for a magnesium ion?
Mg+
Mg2+
Mg2-
Mg-
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the name of this ion? SO42-
sulfur tetroxide ion
sulfonate
sulfate
sulfide
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is the correct formula for a sodium ion?
So+
Na-
Na+
Na2+
Tags
NGSS.HS-PS1-1
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
For the following group of ions, choose the 2 answers that contains ions with the wrong charge.
Li+ K+ Ag+ H+
Ca2+ Zn2+ Fe2+ Al2+
Cl- Br- I- N-
O2- S2- SO42- CO2-
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the formula for lithium bromide?
LiBr
LiBr2
Li2Br
Li2Br2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the formula for iron(II) oxide?
FeO2
FeO
Fe2O
Fe2O3
Tags
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The formula of this atom when it becomes an ion would be
Tags
NGSS.MS-PS1-1
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