Check Atom Conservation
Middle School Science · Flashcards · Application
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
Identify whether atoms are conserved in the model: reactants
2
H
2
+
O
2
2H_2 + O_2
2
H
2
+
O
2
, products
2
H
2
O
2H_2O
2
H
2
O
.
QUESTION
Identify whether this model conserves atoms: reactants have
2
2
2
O atoms; products have
2
2
2
O atoms.
QUESTION
Identify the total number of atoms (all elements) in one molecule of
C
6
H
12
O
6
C_6H_{12}O_6
C
6
H
12
O
6
.
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ANSWER
24
24
24
atoms. Sum all subscripts: 6 C + 12 H + 6 O = 24 atoms total.
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