ions
Authored by Regan P
Chemistry
9th Grade
Used 1+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ionic compounds are written with
cation (+ ion) first then anion (- ion)
anion (- ion) first then cation (+ ion)
either way is fine
polyatomic ions first
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ba+2, Br-1
BrBa
Br2Ba2
BaBr2
Br2Ba
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ca+2, O-2
CaO
OCa
Ca-2O+2
Ca2O2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ca+2P-3
PCa
P2Ca3
CaP
Ca3P2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding a subscript to a polyatomic ion, you should...
multiply any subscripts on the polyatomic ion by the subscript you are adding
put parentheses around the polyatomic ion before adding a subscript
write the new subscript next to any subscripts on the polyatomic ion
put the polyatomic ion in square brackets before adding the subscript
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the correct formula for phosphorous trichloride?
P₃Cl
PCl₃
KCl₃
K₃Cl
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the correct formula for carbon dioxide?
C2O2
C20
CO
CO2
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