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Copy of CI Skill Check #1.3 (Unit 1 Investigation 1 Experience 3) (7/30/2025)
By Didi Maloney
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Last updated 10 months ago
5 questions
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Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Which of the following reactions
DOES NOT
correctly show the combustion of a hydrocarbon?
2C
4
H
10
+13O
2
→ 8 CO
2
+10 H
2
O
2C
2
H
6
+7O
2
→4CO
2
+6H
2
O
CH
4
+ 2O
2
→ CO
2
+ 2H
2
O
2CH
4
+ 2O
2
→ CO
2
+ 2H
2
0
What is the complete balanced equation for the following reaction?
Ca + Cl
2
→ CaCl
2
Ca + Cl → CaCl
2
2Ca + Cl
2
→ CaCl
2Ca + Cl
2
→ 2CaCl
2
Ca + Cl
2
→ CaCl
2
The subatomic particle with a neutral charge is the
neutron
ion
proton
electron
The table shows the number of each of the three subatomic particles for four atoms.
Which atoms represent an isotope?
2, 3, and 4
2 and 3
1 and 2
1 and 3
Which of the following statements regarding nuclear reactions is not true?
Combining two smaller atoms into a larger atom is called fusion.
Breaking an atom apart into two smaller atoms is called fission.
During nuclear reactions, energy is conserved but mass is not.
During nuclear reactions, neither mass nor energy is conserved.