Elements & Compounds

A substance made of only one type of atom

A mixture of different substances

A substance formed by chemically combining two or more elements

A physical blend of elements

A substance made of two or more types of atoms

A pure substance that consists entirely of one type of atom

A mixture of different compounds

A substance that cannot be found on the periodic table

Water is a mixture, not a compound.

The properties of a compound are different from those of the elements that form it.

Hydrogen and oxygen lose their properties when combined physically.

Water contains more oxygen than hydrogen.

Compounds are made of only one type of atom.

Compounds are formed by the chemical combination of two or more elements in a definite proportion.

Compounds have the same properties as the elements that form them.

Compounds can be separated by physical means.

Left hand side

Middle

Right hand side

Bottom

Metals gain electrons to form positive ions.

Non-metals lose electrons to form negative ions.

Metals lose electrons to form positive ions.

Non-metals gain electrons to form positive ions.

First shell: 2, Other shells: 8

First shell: 8, Other shells: 2

First shell: 4, Other shells: 6

First shell: 6, Other shells: 4

Covalent bonds involve sharing of electrons.

Covalent bonds are formed only between metals.

Electrons involved in covalent bonds are found in the outer shells.

Each atom contributes one electron to a covalent bond.

Yes, I want to learn more about classification.

No, I feel confident about the topic.

I have some questions about elements.

I have some questions about compounds.