Atomic Structure

Front

What is a proton?

Back

A positively charged particle found in the nucleus of an atom.

Front

What does the symbol 'C' represent in the periodic table?

Back

Chemical symbol for an element.

Front

What charge does an electron carry?

Back

Negative (-) charge.

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus.

Front

What are valence electrons?

Back

Electrons located in the outermost shell of an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the atomic mass?

Back

The weighted average mass of an atom's isotopes, measured in atomic mass units (amu).

Front

What is the electron cloud?

Back

The region around the nucleus where electrons are likely to be found.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus by offsetting the repulsive forces between protons.