MATTER AROUND US
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
3.
A molecule which contains only one atom.
6.
A molecule which contains two atoms
7.
Everything we see around us that occupies space and has mass
8.
made up of two or more atoms chemically combined
Down:
1.
The most abundant atom in the universe
2.
The smallest unit of an element that exhibits the properties of the element
4.
A molecule containing three atoms
5.
An atom of oxygen and two atoms of hydrogen combine to form this molecule
OK