Chemistry 1
Chemistry 2
Chemistry 3
Chemistry 4
Chemistry 5
100

The elements in Group 8 called ?

What are the Noble Gases?

100

The number of protons in Magnesium.

What is 12?

100

The chemical symbol for Iron

What is Fe?

100

The bond between carbon and oxygen is called what?

What is a covalent bond?

100

Name all 3 subatomic particles.

What are Protons, Neutrons, and Electrons?

100

The number you use to find the number of protons.

What is the atomic number?

100

On the periodic, the majority of elements are which classification?

What are metals?

100

The 25th element called

What is Manganese or Mn?



100

On the periodic table the second group is called?

What are alkaline metals?

100

In a chemical reaction these are made.

What are new substances?

200

The number of periods shown on the periodic table.

What is 7?

200

The atomic number of neon (Ne) is

What is 10?

200

Elements in the same period have this in common?

What are the properties?

200

The elements on the periodic table that are man-made are called this.

What are rare earth elements?

200

When an acid reacts with a metal a gas is made.

What is hydrogen?

200

Type of reaction that takes in heat (get colder).

What is endothermic?

200

The nucleus is made of these subatomic particles.

What are protons and neutrons?

200

The element with the atomic mass 80.

What is Bromine?

200

The charge of an electron is this.

What is a negative charge?

200

Reactions that give off heat.

What is exothermic?

300

When moving from left to right across the periodic table, this increases.

What is Atomic Number?

300

This element is in the metal area of the periodic table; but is a non-metal.

What is Hydrogen?

300

The number of neutrons in Fluorine.

What is 10?

300

The charge on a neutron is this.

What is neutral?

300

Every element in the same group or family has the same number of this?

What are valence electrons?

400

Carbon has this many electrons

What is 6?

400

An element with an atomic number of 23 has this many electrons.

What is 23?

400

This shows what happens to chemical when they react.

What is chemical equation?

400

Uranium can be used to make.

What is electricity?

400

Boron, Silicon, Arsenic, and Antimony are classified as these types of elements?

What are metaliods?

500

What are combined to make the atomic mass?

What are protons and neutrons?

500

Radioactive chemicals can cause.

What is radiation sickness?

500

In which type of bond are the electrons being shared?

What is a convalent bond?

500

These elements are happy and have 8 valence electrons.

What are noble gasses?

500

The element with atomic number 82?

What is lead?