The development of the atom. Flashcards
1
Q
What did Dalton discover about atoms?
A
Dalton discovered that all matter was made up of particles.
2
Q
What Thompson discover about the atom?
A
He discovered that the atom is a ball of positive charge, with electrons embedded in it.
3
Q
What’s the mass of a proton?
A
The mass of a proton is 1
4
Q
Why isn’t a mixture a compound?
A
A mixture isn’t a compound because, the elements are not joined up.