Atoms
Periodic table
Elements
Molecules
Random
100
what is the charge of a neutron?
neutral (no charge)
100
Who is credited with organizing the periodic table?
Who is Mendeleev
100
This element is commonly used in jewelry
What is gold
100

The chemical formula for table salt.

What is NaCl

100

Center of an atom

What is Nucleus

200
what are the subatomic particles the atom?
electrons, protons, neutrons
200

Substance made up of only one kind of atom.

Elements

200
This element is used in signs for stores that grab costumers' attention
neon
200

The chemical formula for Methane.

What is CH4

200

The number of protons and electrons in an atom

What is Atomic number

300
what subatomic particles are in the nucleus of an atom?
What is the nucleus
300

Chemical formula of hydrogen peroxide

What is a H2O2

300

Versatile element

What is Carbon

300

The 2 in the chemical formula H2O means this.

What is 2 atoms of hydrogen

300

How many atoms of each element are contained in the following molecule NaCl.

1 sodium atom 1 chlorine atom

400

Define atomicity

What is the number of atoms in the molecules of an element.

400

This element is number 16 on the periodic table

What is Sulfur

400
This element forms 21% of the earth's atmosphere
What is oxygen
400

The chemical formula for carbon monoxide

What is CO

400

2KNO3 How many nitrogen atoms are in the compound above?

2 atoms

500

The number of protons a hydrogen atom has

What is 1

500

K is the chemical symbol for this element

What is Potassium

500
This element gives off a green colour in flares
What is Boron
500

The definition of a molecule

What is two or more different atoms joined together

500

An element containing two atoms is called

Diatomic

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