two

Question 1

what is rutherford models referred to as?

Answer 1

nuclear model

Question 2

Rutherford atempted to test Thomson’s model with radioactivity in an experiment using..

Answer 2

gold foil

Question 3

what type of radiation did rutherford use?

Answer 3

alpha particles

Question 4

who discovered nucleus

Answer 4

rutherford

Question 5

what did rutherford state about the nucleus? (4)

Answer 5

-nucleus is a very tiny, dense, and positively charged core of an atom.
-All of the atom’s protons, are contained in the nucleus
-The nucleus is surrounded by mostly empty space.
-Rapidly moving electrons are scattered outside the nucleus around the atom’s edge in an electron cloud.

Question 6

what is bones model referred to as?

Answer 6

planetary model

Question 7

Bohr proposed an improvement on Rutherford’s model by placing electrons in ______ _____ about the nucleus

Answer 7

specific orbits

Question 8

according to bohr Electrons move around the nucleus in nearly circular paths called…

Answer 8

orbits

Question 9

according to bohr Each electron in an orbit has a _____ amount of energy.

Answer 9

definite

Question 10

according to bohr The further the electron is from the nucleus,

Answer 10

greater the energy

Question 11

The order of filling the first three orbits with electrons is

Answer 11

2
8
8

Question 12

what is the quantum model referred to as?

Answer 12

wave model

Question 13

According to the theory of wave mechanics, electrons do not move about the atom’s nucleus in a ____ _____

Answer 13

definite path

Question 14

impossible to determine the exact location of an..

Answer 14

electron

Question 15

The probable location of an electron is based on its..

Answer 15

energy