Question

use these words to fill the gaps in the sentence compound , elements , mixture , molecules. 1). A ___ of iron and sulphur can be separated with a magnet .
2). Carbon dioxide is a ___ because it has two different elements in it that can't be easily separated.
3). A chemical substances that contains only one kind of atom is called ___.
4). In a compound, two or more atoms joined together to from a ___.
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Answer 1

Answer:

1-mixture

2-compound

3-element

4-molecule