Scientists Quiz

Question 1

he is British
“all matter is made up of atoms”
“all atoms of an element are exactly alike”
“matter is neither created nor destroyed”

Answer 1

Dalton

Question 2

he realized + & - charges in atoms
believed whole atom was solid with positives
“-“ = “electrons”
(((Plum Pudding Model)))

Answer 2

J.J. Thomson

Question 3

he propelled alpha particles through gold foil
-some bounced
-some went backwards
-some hit the nucleus & bounced straight back
“atom = empty space”

Answer 3

Rutherford

Question 4

he was german
“in an element, light is given off or absorbed as packets of energy”
these packets are quantized, come in different sizes

Answer 4

Max Plank

Question 5

Max Plank & Albert Einstein = ….

Answer 5

Quantum Theory

Question 6

he said every electron has a fixed orbit
“every electron has a location”
“every orbit has a # of electrons”
“farther from the nucleus, the more energy it takes to stay in the orbit”

Answer 6

Bohr

Question 7

he said that we can know the location and momentum of the electron, but not at the SAME TIME
he published “Heisenberg Uncertainty Principle”

Answer 7

Heisenberg

Question 8

They both said that we don’t know exactly the location of an electron
you can know the probability of the area where it should be

Answer 8

Schrodinger & Bohr

Question 9

what does Democritus model of atom look like…

Answer 9

just a round sphere

Question 10

what is Dalton’s model of the atom?

Answer 10

just a round spherical

Question 11

what is Thomson model of the atom?

Answer 11

sphere w/ big plus sign in middle & electrons everywhere

Question 12

what is Rutherfords model of the atom?

Answer 12

circle with other spheres in it w/ electrons on the lines of the spheres

Question 13

what is Bohr’s model of the atom?

Answer 13

swirly line into a circle, with electrons on it

Question 14

what is Heisenbergs model of the atom?

Answer 14

spheres in each other, w/ electrons on the lines, and nucleus in middle

Question 15

what is Schrodinger and Bohr’s model of the atom?

Answer 15

three lines from nucleus (level 1,2,3)
electrons on each energy level
protons in nucleus

Question 16

he was a greek philosopher
cutting object in half
^called tis the atomus
he said it was round and plain
his idea disappeared, so did he.

Answer 16

Democritus