5th grade - Chemistry -

A

100

All matter is made up of these; shown on the periodic table

Elements

200

The type of bonding that occurs when electrons of metals are transferred among a group of atoms

Metallic

300

Two elements found in all organic compounds

Carbon and hydrogen 

400

say the chemical formula: oxygen

O2

500

Name three elements that are metals

Answers may vary

B

100

These are good conductors of heat and electricity

Metals

200

Type of bonding that occurs when electrons are transferred from atoms of medals to atoms of nonmetals

Ionic

300

An atom that has a different number of electrons and protons

Ion

400

say the chemical formula: carbon dioxide

CO2

500

Say the chemical formula: glucose

C6H12O6

C

100

This is a subatomic particles found in the nucleus of an atom; has a positive charge

Proton

200

The type of bonding that occurs when electrons are shared between atoms of non-metals, or non-metals and metalloids

Covalent

300

The most common compound on earth

Water

400

Say the chemical formula: water

H2O

500

how is a molecule of an element different from a molecule of a compound?

A molecule of an element has two or more atoms of the same element and a molecule of a compound has atoms of different elements

D

100

Subatomic particle found in the nucleus of an atom; has zero charge

Neutron

200

The two most abundant elements in the universe

Hydrogen and helium

300

Why is CO^2 an inorganic compound?

Carbon dioxide is an inorganic compound because it does not contain hydrogen atoms

400

Say the chemical formula: carbon monoxide

CO

500

Say the chemical: hydrogen peroxide

H2O2

E

100

A subatomic particle located far from the nucleus; has a negative charge

Electron

200

The two elements that are liquids at room temperature

Mercury and bromine

300

what is the chemical symbol for hydrogen?

H

400

Say the chemical formula: hydrogen

H2

500

Name three elements that are nonmetals

Answers may vary