Atomic Structure Flashcard

Front

How many electrons are in Sulfur?

Back

Sulfur has 16 electrons.

Front

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

Back

The nucleus of an atom contains protons and neutrons.

Front

What subatomic particle is electrically neutral?

Back

The neutron is the subatomic particle that is electrically neutral.

Front

Which atom will have a +1 charge?

Back

An atom with 3 protons, 4 neutrons, and 2 electrons will have a +1 charge.

Front

How do you find the number of neutrons in an atom?

Back

To find the number of neutrons, subtract the atomic number from the atomic mass.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus.

Front

What is an ion?

Back

An ion is an atom that has gained or lost one or more electrons, resulting in a charge.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.