Atomic Structure & Isotopes

Front

What is the symbol for a Bromine ion that gains 1 electron?

Back

Br^-1

Front

How many protons does Carbon-13 have?

Back

6

Front

Which subatomic particles are found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What is the mass number of an element with 11 protons and 12 neutrons?

Back

23

Front

How do you calculate the atomic mass of an element?

Back

Protons + Neutrons

Front

What is the definition of an isotope?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the charge of a neutral atom?

Back

0 (neutral)

Front

What is the relationship between protons and electrons in a neutral atom?

Back

They are equal in number.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between atomic mass and mass number?

Back

Atomic mass is the weighted average of an element's isotopes, while mass number is the total number of protons and neutrons in an atom.