The Atom

Subatomic Particles

100

Located in the nucleus, one of these has a positive charge and weighs 1 amu.

What is a proton?

200

Located in the nucleus, one of these has a neutral charge and weighs 1 amu.

What is a neutron?

300

Located in the space around the nucleus, one of these has a negative charge and weighs 0.0005 amu.

What is an electron?

400

The space around the nucleus where electrons are located

What is the electron cloud, orbitals, or shells?

500

How do you find the charge of an atom?

What is protons-electrons?

Charge It!

100

The charge of a neutron (number and sign if necessary)

What is 0?

200

The charge on a proton (number and sign)?

What is +1?

300

The charge on an electron (number and sign)

What is -1?

400

The reason that an atom is neutral

What is because protons=electrons?

500

This subatomic particle gives an atom its chemical properties

What is an electron?

It's Elementary

100

The large abbreviation for each element on the periodic table

What is the element symbol?

200

This is equal to the number of protons

What is the atomic number?

300

This number equals the number of electrons in a neutral atom

What is the atomic number or number of protons?

400

How to find the mass number of an atom

Add protons + neutrons

500

Atoms having the same number of protons, but different numbers of neutrons

What are isotopes?

Bohring

100

The name of the model of the atom

What is the Bohr model?

200

What we call the energy levels for the electrons

What are shells?

300

The shell that is filled with electrons first

What is the shell closest to the nucleus?

400

The number of electrons each of the first three shells will hold (in order)

What is 2, 8, and 8?

500

Draw a Bohr model for Phosphorus

Szramek will approve!

Isotopes

100

The way to figure out the number of neutrons in an isotope

What is mass number minus protons?

200

The number of neutrons in fluorine with a mass number of 20

What is 11?

300

The number of neutrons in an isotope of chromium with a mass number of 54?

What is 30?

400

The number of neutrons in an isotope of gold with a mass number of 200?

What is 121?

500

The number of neutrons in an isotope of bismuth with a mass number of 207

What is 124?