Atomic Structure and Isotopes

Front

What charge do neutrons have?

Back

Neutral (No Charge)

Front

Isotopes are atoms of the same element with different #’s of __________ & therefore different __________.

Back

n0 ; atomic masses

Front

How many electrons does a Copper atom have?

Back

29

Front

The atomic mass of an atom is equal to:

Back

number of protons plus number of neutrons

Front

The Bohr model below depicts which element?

Back

Scandium

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What is the difference between atomic mass and mass number?

Back

Atomic mass is the weighted average of all isotopes, while mass number is the total count of protons and neutrons.

Front

What is the role of electrons in an atom?

Back

Electrons are negatively charged particles that orbit the nucleus and are involved in chemical bonding.