Crossover Method for Writing Chemical Formulas
Interactive Video
•
Science
•
6th - 10th Grade
•
Practice Problem
•
Easy
Standards-aligned
Emma Peterson
Used 13+ times
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the crossover method used for?
Determining molecular shapes
Writing formulas for ionic compounds
Calculating molar masses
Balancing chemical equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on a magnesium ion?
2-
1+
2+
1-
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula for magnesium chloride?
Mg2Cl3
Mg2Cl
MgCl2
MgCl
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on a calcium ion?
2-
1-
2+
1+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified formula for calcium oxide?
Ca2O2
Ca2O
CaO2
CaO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on a chromium(III) ion?
2+
1+
3+
3-
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula for chromium(III) sulfide?
CrS2
Cr3S2
CrS
Cr2S3
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