Copy of CI Skill Check #1.3 (Unit 1 Investigation 1 Experience 3) (7/30/2025)

2C₄H₁₀ +13O₂ → 8 CO₂+10 H₂O

2C₂H₆+7O₂→4CO₂+6H₂O

CH₄ + 2O₂ → CO₂ + 2H₂O

2CH₄ + 2O₂ → CO₂ + 2H₂0

Ca + Cl → CaCl₂

2Ca + Cl₂ → CaCl

2Ca + Cl₂ → 2CaCl₂

Ca + Cl₂ → CaCl₂

neutron

ion

proton

electron

2, 3, and 4

2 and 3

1 and 2

1 and 3

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.