05. Atomic Structure

Front

What is the charge of an electron?

Back

Negative

Front

What particle is found in the nucleus and has a positive charge?

Back

Proton

Front

According to Dalton's Atomic Theory, what is true about atoms of the same element?

Back

They are identical to each other.

Front

Which particle has no charge?

Back

Neutron

Front

What is the name of the element with atomic number 9?

Back

Fluorine

Front

What is the main component of the nucleus?

Back

Protons and neutrons.

Front

What is the mass of a proton compared to an electron?

Back

Proton is approximately 1836 times more massive than an electron.

Front

What does the atomic number represent?

Back

The number of protons in an atom.

Front

What is the role of electrons in an atom?

Back

They are involved in chemical bonding and reactions.

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a charge due to loss or gain of electrons.