Atomic Structure & PT

Front

What determines the number of electron shells in an atom?

Back

The number of shells is determined by the period of the element on the periodic table.

Front

What is the periodic law?

Back

The periodic law states that the repeating chemical and physical properties of elements change periodically with the atomic number of the elements.

Front

Which element has the atomic number 10?

Back

Neon.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What subatomic particles are found in the nucleus?

Back

Protons and Neutrons.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What are protons?

Back

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

Front

What are neutrons?

Back

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

Front

What are electrons?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom.