U2Q2: The Atom

Front

Where are electrons of an atom found?

Back

Electrons are found in the Electron Cloud.

Front

How many neutrons are in C-14?

Back

C-14 has 8 neutrons.

Front

How many neutrons does the isotope of lithium have?

Back

The isotope of lithium has 5 neutrons.

Front

What are ions?

Back

Ions are atoms with a positive or negative charge.

Front

What is the atomic number of an atom?

Back

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

Front

What is the mass number of an atom?

Back

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

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is an isotope?

Back

Isotopes are atoms of the same element with different numbers of neutrons.