Properties of Matter & Atomic Structure

Front

What is the charge and mass of an electron?

Back

The electron is negatively charged and has almost 0 mass.

Front

What is the charge and mass of a proton?

Back

The proton is positively charged and has a mass of 1 amu.

Front

What is the atomic mass of Nitrogen (N)?

Back

The atomic mass of Nitrogen (N) is 14.007.

Front

What are the three main parts of an atom?

Back

The three main parts of an atom are protons, neutrons, and electrons.

Front

What element is represented by the symbol 'C'?

Back

The element represented by the symbol 'C' is Carbon.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

Front

What is the nucleus of an atom?

Back

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

Front

What is the role of electrons in an atom?

Back

Electrons are responsible for chemical bonding and reactions.

Front

What is the mass of a neutron?

Back

A neutron has a mass of approximately 1 amu.

Front

How do you determine the atomic number of an element?

Back

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