Periodic Table 1
Periodic Table 2
Periodic Table 3
Periodic Table 4
Periodic Table 5
100

The electrons in the outer energy level

What are valence electrons?

100

Subatomic Particle with a negative charge

What is an electron?

100

The atomic number is equal to this

What is the number of protons (and electrons) an atom of an element has?

100

Atomic mass - Atomic number

What is the formula for finding the neutrons of an atom?

100

A subatomic particle with no charge.

What is a neutron?

200

The location of protons and neutrons.

What is inside the nucleus?

200

How many elements are located on the Periodic Table?

118

200

What is the smallest element on the periodic table?

Hydrogen

200

Arsenic (As) has 33 of these.

What are protons and electrons?

200

The location of electrons.

What are energy shells or orbitals?

300

Columns (up and down) on a periodic table 

What are groups?

300

An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?

125

300

The number of protons in an atom of Carbon.

6

300
The number of neutrons in an atom of neon with a mass number of 21

What is 11.

300

Elements in the same group share this.

What are the same number of valence electrons

400

The maximum number of electrons the 1st orbital, or energy shell, can hold.

What is 2?

400

Elements in groups 3-12 are called what?

Transition Metals

400

The majority of the elements on the periodic table are this.

What are metals?

400

The amount of energy orbitals that Calcium has.

What is 4?

400

The most reactive groups on the periodic table.

Group 1(Alkali Metals) and 17 (Halogens)

500

The mass number of this atom of oxygen

What is 16?

500

This group is not reactive at all.

What is group 18 (Noble Gases)?

500

Elements in group 1 have only 1 valence electron and are considered this.

What are Alkali Metals?

500

The subatomic particle with no mass

What is the electron.

500

The amount of valence electrons that chlorine has.

What is 7?