Atoms Flashcards
1
Q
What is a compound?
A
Two or more different types of atoms that have been joined (bonded) together
2
Q
What is an element?
A
Pure substance that is made out of one type of atom
3
Q
What is a mixture?
A
a combination of substances in which each keeps its own properties
4
Q
What is the atomic mass?
A
The number of protons and neutrons in an atom.
5
Q
What is the atomic number?
A
Number of protons in an atom. Because every element is neutral, the number of electrons equal the number of protons.
