L4 Flashcards
1
Q
What is an atom?
A
The smallest part of an element that can exist and still be identified as that element.
2
Q
What is an element?
A
Substances made of only one type of atom. They can be found in the periodic table.
3
Q
What is a molecule?
A
A substance made up of 2 or more non-metal elements which can be the same type or different.
4
Q
What is a compound?
A
A substance made up of 2 or more different elements chemically bonded to each other.
5
Q
In science, what is a pure substance?
A
If a substance is a single element or compound and isn’t mixed with any other substance.
6
Q
In science, what is a mixture?
A
A mix of 2 or more substances which aren’t chemically bonded together e.g. when there is a compound and an element in the same mixture.
