Chemistry 1 Autumn Final Exam 2024

Front

Which of the following is a physical property? Options: ability to burn, ability to rust, density, how a metal reacts with acid

Back

density

Front

Which is not a sign of a chemical change? Options: water evaporating, gas bubbles, color change, temperature change

Back

water evaporating

Front

I reside at group 16, period 5. What element am I?

Back

Antimony

Front

How many different elements does CO₂ contain?

Back

2

Front

A substance that is lustrous, malleable, and conducts heat and electricity well. The substance is most likely:

Back

metal

Front

A substance is dull, brittle and does not conduct electricity. It is most likely a

Back

nonmetal

Front

Which of the following is a sign that a chemical reaction has occurred? Options: change in shape, melting, formation of a gas, dissolving

Back

formation of a gas

Front

How many atoms are in 3Na₂CaCo₃?

Back

18

Front

Burning wood. Name the property

Back

chemical change

Front

Carbon-14 is useful for

Back

relative dating, archeology, absolute dating