Atomic Theory Flashcard Review Quizzizz

Front

How many electrons are in Bromine (Br)?

Back

Bromine (Br) has 35 electrons.

Front

How many protons does Carbon have?

Back

Carbon has 6 protons.

Front

What is the neutrally charged particle inside the nucleus called?

Back

The neutrally charged particle inside the nucleus is called a neutron.

Front

What does the bottom most number (39.098) represent in an element's notation?

Back

The bottom most number represents the atomic mass.

Front

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

Back

The number of neutrons equals mass number - atomic 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.

Front

What is the mass number of an atom?

Back

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

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is the role of neutrons in the nucleus?

Back

Neutrons help stabilize the nucleus by offsetting the repulsive forces between protons.