Atomic Structure Flashcard

Front

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

Back

Protons and Neutrons

Front

What will be different for isotopes?

Back

Mass Number

Front

How many neutrons are in Magnesium-25?

Back

13

Front

Which atom has a +1 charge? 3 protons, 4 neutrons, 3 electrons or 3 protons, 4 neutrons, 4 electrons or 3 protons, 4 neutrons, 2 electrons or 3 protons, 3 neutrons, 3 electrons?

Back

3 protons, 4 neutrons, 2 electrons

Front

What subatomic particle is electrically neutral?

Back

Neutron

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of an electron?

Back

-1

Front

What is the atomic number of an element?

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

What defines an isotope?

Back

Atoms of the same element with different numbers of neutrons.