Atoms, Ions, Isotopes & Bohr Models Review

Front

What happens to the charge of an atom when it loses electrons?

Back

The charge becomes positive.

Front

How many neutrons are in a Neon atom?

Back

10

Front

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

Back

+1

Front

What is the symbol for an ion of Sulfur with 16 protons and 18 electrons?

Back

S^-2

Front

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

Back

Mass number - Atomic number.

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of protons, neutrons, and electrons.

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 cations and anions?

Back

Cations are positively charged ions (lost electrons), while anions are negatively charged ions (gained electrons).

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the mass number?

Back

The total number of protons and neutrons in an atom's nucleus.