Carbon burns with oxygen to produce carbon dioxide gas. Which of these shows the correct chemical reaction? C + O2 → CO2 C, O, CO2 C + O = CO2 CO2 = C + O

Which fact represents evidence for the big bang theory?

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.