Per Table, Charges, and Bonds Test Review

Front

How many valence electrons does an oxygen (O) atom have?

Back

6

Front

What is the neutron?

Back

A subatomic particle found in the nucleus of an atom, with no electric charge.

Front

What is the correct Lewis dot structure for the molecule fluorine (F2)?

Back

The Lewis dot structure shows two dots (representing valence electrons) between the two F atoms.

Front

How do you determine the number of protons in an atom?

Back

By looking at the atomic number of the element.

Front

Where are valence electrons found in an atom?

Back

In the outer shell of the atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which defines the element.

Front

What is a covalent bond?

Back

A chemical bond formed when two atoms share one or more pairs of electrons.

Front

What is an ionic bond?

Back

A chemical bond formed through the transfer of electrons from one atom to another, resulting in oppositely charged ions.

Front

What are the main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

Positive (+1 charge).