Chemistry
Chemistry 2
Chemistry 3
Chemistry 4
Chemistry 5
100

Elements represent unique forms of these tiny things. The building blocks of everything!

Atoms

100

Atomic number of nitrogen

7

100

Protons have this charge

What is a postive charge?

100

Neon and Argon are examples of this.

What are Gases?

100

Elements that are the most abundant on the periodic table.


What is a Metal?

200

The atomic number tells us this.

What is the number of protons?

200

The maxiumum number of electrons in the 2nd energy shell

What is 8?

200

Water is made of these two elements.

What is hydrogen and oxygen?

200

Most reactive metal

Potassium

200

What is located in the outermost shell of an atom?

valence electrons

300

Ions are made in what way.

What is losing (stealing) or gaining electrons?

300

Making ice cubes from water is what kind of change?

What is a physical change?

300

Covalent bonding happens generally between these type of elements.

What are nonmetals?

300

Group or family 17 elements are these.

What are Halogens?

300

The sum of protons and neutrons in the nucleus of an atom is known as the _________

What is the mass number?

400

A covalent bond is formed by

What is the sharing of electrons?

400

What is maximum number of electrons in the first energy shell?

2

400

Neutrons have this kind of charge

  What is a neutral charge?       

400

Name two dangerous acids

HCL and KCL

400

Lithium, sodium, potassium, rubidium, caesium and francium belong to the family of  ______________

What is Alkali metal.

500

Group 18 elements on the right hand side of the periodic table of elements. 

What are the Noble Gases?

500

What does increase in the group number mean? (periodic trend)

Increase in valence electrons

500

Two different elements that have bonded.What is the result known as?

What is a compound?

500

Alkali metals belongs to this group

What is Group 1

500

Name all 3 subatomic particles.

What are Protons, Neutrons, and Electrons

600

There are this number of elements on the periodic table of the elements.

What is 118?

600

The most abundant gas in the atmosphere.

What is Nitrogen?

600

Who created the periodic table?

 Dmitri Mendeleev

600

This refers to sets of eight.

What is the octet rule?

600

The presence of this layer is found in the stratosphere of the atmosphere.

What is the ozone layer?

M
e
n
u