2024 Final Exam Psc

Front

What is the charge of the nucleus?

Back

The nucleus is positively charged.

Front

How many hydrogen atoms are in the formula 2C₃H₇O?

Back

There are 14 hydrogen atoms.

Front

When are atoms most stable?

Back

Atoms are most stable when they have full outer shells.

Front

What does Newton's Third Law state?

Back

For every action, there is an equal and opposite reaction.

Front

Which element is classified as a metal?

Back

Cadmium is classified as a metal.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the significance of full outer shells in atoms?

Back

Full outer shells make atoms more stable and less reactive.

Front

What is the formula for calculating force?

Back

Force = mass x acceleration.