Atoms, Ions, Isotopes & Bohr Models Review

Front

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

Back

Br^-1

Front

How many neutrons does the isotope ⁸⁹ ₃₆Kr have?

Back

53

Front

What are atoms that have a different amount of electrons than protons called?

Back

ions

Front

What is the charge of an atom that has lost one electron?

Back

+1

Front

In a correctly written symbol, what is located in the 'A' position?

Back

mass number

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What is the difference between isotopes and ions?

Back

Isotopes have the same number of protons but different numbers of neutrons; ions have different numbers of electrons than protons.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

How do you determine the number of neutrons in an isotope?

Back

Subtract the atomic number from the mass number.