Front

What is the atomic number of an element?

Back

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

Front

How do you determine the atomic mass of an element?

Back

The atomic mass is the sum of the number of protons and neutrons in an atom's nucleus.

Front

What is the significance of energy levels in an atom?

Back

Energy levels represent the regions around the nucleus where electrons are likely to be found, with each level corresponding to a specific energy state.

Front

How many protons are in an atom of Bismuth?

Back

83

Front

Name an element whose atoms have the same number of energy levels as Calcium.

Back

Nickel.

Front

What is the atomic mass of silver?

Back

108.

Front

How many energy levels does an atom of Calcium have?

Back

4.

Front

What is the atomic mass number of an atom with 10 protons and 15 neutrons?

Back

25.

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom, with no electric charge.

Front

What is a proton?

Back

A proton is a positively charged subatomic particle found in the nucleus of an atom.