Atomic Structure Flashcard

Front

How many electrons are in a neutral Sulfur atom?

Back

16 electrons.

Front

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

Back

Protons and Neutrons.

Front

Which subatomic particles contribute the most to the mass of an atom?

Back

Protons and Neutrons.

Front

What happens to an atom when you add a proton?

Back

It becomes a new element.

Front

What is the charge of an atom with 3 protons, 4 neutrons, and 2 electrons?

Back

+1 charge.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What is an ion?

Back

An atom that has gained or lost electrons, resulting in a charge.

Front

What is the difference between an isotope and a regular atom?

Back

Isotopes have the same number of protons but different numbers of neutrons.

Front

What is the role of electrons in chemical bonding?

Back

Electrons in the outer shell (valence electrons) are involved in forming bonds between atoms.