Question

drag and drop into the sentence.

an atom has a central that contains and . move in clouds around the nucleus.

nucleus protons neutrons electrons

Explanation:

Identify the central structure of an atom

Using the Atomic Structure knowledge point

An atom consists of a dense central region known as the nucleus.

Determine the constituents of the nucleus

Using the Atomic Structure knowledge point

The nucleus contains two types of subatomic particles: protons and neutrons.

Identify the surrounding particles

Using the Atomic Structure knowledge point

Electrons are the negatively charged particles that move in clouds surrounding the nucleus.

Answer:

An atom has a central <blank>nucleus</blank> that contains <blank>protons</blank> and <blank>neutrons</blank>. <blank>electrons</blank> move in clouds around the nucleus.