06. Atomic Structure

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

What type of element typically has 2 valence electrons?

Back

Elements with 2 valence electrons are typically metals.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (it is neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

How can you identify an electron in a diagram of an atom?

Back

Electrons are typically represented by letters or symbols, often labeled as 'e-' or 'C' in diagrams.

Front

What is the subatomic particle that has no charge?

Back

The neutron is the subatomic particle that has no charge.

Front

How many protons does Fluorine have?

Back

Fluorine has 9 protons.

Front

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

Back

The number of neutrons can be calculated by subtracting the atomic number (number of protons) from the atomic mass (rounded to the nearest whole number).

Front

What is the atomic number of an element?

Back

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