Atoms and the Periodic Table Flashcard Practice

Front

What happens to particles when thermal energy is removed?

Back

Particles move slower.

Front

Which subatomic particle contributes basically no mass to an atom?

Back

Electrons.

Front

What can be concluded when a marshmallow turns brown/black after being heated?

Back

The brown/black solid is a new substance meaning a chemical change.

Front

What is a substance’s ability to transfer energy from one area to another called?

Back

Conductivity.

Front

What are burning wood, souring milk, and baking a cake examples of?

Back

Chemical changes.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements organized by their atomic number.