Balancing Formulas

Quiz
•
Science
•
11th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance this equation.
_CF4 + _Br2 -- _CBr4 + _F2
2,1,2,1
1,2,2,1
1,2,1,2
2,2,2,2
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
2, 6, 3, 2
it is already balanced
4, 12, 3, 4
2, 1, 4, 5
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this equation balanced?
Yes
No
Tags
NGSS.MS-PS1-5
4.
LABELLING QUESTION
1 min • 1 pt
Balance the equation:
1
3
6
5
2
4
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
DRAG AND DROP QUESTION
1 min • 1 pt
The numbers placed in (a) of formulas to balance equations are called (b) , and they multiply all the atoms in a (c) . Thus, the symbol “2NaHCO₃” indicates (d) units of sodium bicarbonate, which contain 2 Na atoms, 2 H atoms, 2 C atoms, and 6 O atoms
(2 X 3= 6, the coefficient times the subscript for O).
front
coefficients
two
formula
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What coefficients should be added to balance the equation?
None, it's already balanced.
4C
4H2
2H2
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Decide which coefficients should go in front of Al2O3 and O2 in order to balance the equation.
2Al2O3 and 2O2
2Al2O3 and 3O2
4Al2O3 and 2O2
Tags
NGSS.MS-PS1-5
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