Atomic Structure-Paper 1 Flashcards
1
Q
What is an atom?
A
The smallest particle that exists. Still behaves as that element.
2
Q
What are atoms made up of?
A
Subatomic particles.
3
Q
What are the three subatomic particles?
A
Protons, Neutrons, and Electrons.
4
Q
What subatomic particle determines what element it is?
A
The protons.
5
Q
Relative masses of the subatomic particles?
A
Protons, 1
Neutrons 1
Electrons 0.0005
6
Q
What keeps the electrons in orbit around the atom on the shells?
A
The attraction between the protons and electrons.
7
Q
Difference between elements and compounds?
A
Elements are made up of one type of atom
Compounds are made up of different elements
Compounds are chemically combined