Science Flashcards

Front

Difference between oxygen gas (O₂) and ozone gas (O₃)

Back

Different number of atoms

Front

Phase change that decreases the motion of atoms

Back

Gas → Liquid

Front

Process where matter most likely changes phase

Back

Boiling

Front

Physical states of substances at room temperature

Back

Substances can exist as solid, liquid, or gas depending on temperature

Front

Chemical formula for Hydrogen

Back

H₂

Front

Physical state of Oxygen at room temperature

Back

Gas (g)

Front

Chemical formula for Water

Back

H₂O

Front

Physical state of Carbon Dioxide at room temperature

Back

Gas (g)

Front

Diagram showing the key for modeling substances with colors

Back

The key uses colors to represent different elements: Carbon (red), Hydrogen (blue), Nitrogen (yellow), Oxygen (green), and Bond (black line).

Front

Molecules form when atoms bond together.

Back

True