July AEC 2025

Front

What is the central region of an atom where its neutrons and protons are located?

Back

Nucleus

Front

What does the number 1.00794 represent in chemistry?

Back

Atomic mass

Front

Which object has the least kinetic energy when comparing two cars?

Back

The car at the top (less speed).

Front

What are the particles in an atom that are neutral and have no charge?

Back

Neutrons

Front

Which ball has the most potential energy when comparing several balls?

Back

Ball 1 (highest position).

Front

What is the term for the positively charged particles in an atom?

Back

Protons

Front

What is the term for the negatively charged particles in an atom?

Back

Electrons

Front

What is kinetic energy?

Back

The energy an object has due to its motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or state.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.