9.2 Atoms, elements, compounds Flashcards
1
Q
What is an element? [1]
A
Made up of only one type of atom
2
Q
What is a mixture? [1]
A
Two or more different atoms which are NOT chemically bound
3
Q
What is a compound? [1]
A
Two or more different atoms which ARE chemically bound.
4
Q
What is the atomic number? [1]
A
The number of electrons/protons there are in an atom.
5
Q
What is the atomic mass? [1]
A
Neutrons + Protons
