Atomic Structure (History, Periodic Table), Atom Variants

Question 1

How many electrons are in the following ion?

Accepted Answer

10

Question 2

This bohr model is drawn correctly (ignore first circle, it's nucleus)

Accepted Answer

True

Question 3

An atom of Calcium lost 2 electrons, how many does it have?

Accepted Answer

18

Question 4

This is a(n)

Accepted Answer

Cation

Question 5

This is a(n)

Accepted Answer

Anion, Isotope

Question 6

An atom of Fluorine gained 1 electron, how many does it have?

Accepted Answer

10

Question 7

How many electrons are in the following ion?

Accepted Answer

18

Question 8

How many amu's is a neutron?

Accepted Answer

1

Question 9

In Rutherford's gold foil experiment, most alpha particles

Accepted Answer

Went straight through the gold foil

Question 10

An atom of Sodium lost 1 electron, what is it's charge?

Accepted Answer

+1

Question 11

In Rutherford's experiment, he concluded there was a small, dense, positive nucleus because

Accepted Answer

a few alpha particles were deflected

Question 12

How would the following isotope be named?

Accepted Answer

Lithium - 7

Question 13

This bohr model is drawn correctly

Accepted Answer

False

Question 14

An atom of Sulfur gained 2 electrons, what is it's charge?

Accepted Answer

-2

Question 15

How many neutrons are in the isotope: Beryllium-10?

Accepted Answer

6

Question 16

How many neutrons are in the following isotope?

Accepted Answer

7

Question 17

How many neutrons are in the isotope: Manganese - 56?

Accepted Answer

31

Question 18

How many electrons are in the following isotope?

Accepted Answer

22

Question 19

How many electrons are in the following ion?

Accepted Answer

2

Question 20

What is an ion?

Accepted Answer

When an atom has gained or lost electrons

Question 21

An atom of Carbon lost 4 electrons, what is it's charge?

Accepted Answer

+4

Question 22

This is the most abundant form

Accepted Answer

False

Question 23

How would the following isotope be named?

Accepted Answer

Chlorine - 37

Question 24

What is an isotope?

Accepted Answer

When an atom has gained or lost neutrons

Question 25

Which scientist determined that electrons rotate in shells around the nucleus?

Accepted Answer

Niels Bohr

Question 26

Came up with 4 truths about atoms, including that atoms of the same element are identical

Accepted Answer

John Dalton

Question 27

This was the first scientist to state that matter is made up of atoms (small uncuttable parts)

Accepted Answer

Democritus

Question 28

This bohr model is drawn correctly

Accepted Answer

True

Question 29

What is the mass of the following isotope?

Accepted Answer

37

Question 30

An atom of Arsenic gained 3 electrons, how many electrons does it have?

Accepted Answer

36

Question 31

This scientist developed the plum pudding model of atoms, showing there are + and - charges

Accepted Answer

JJ Thompson

Question 32

How many amu's is an electron?

Accepted Answer

0

Question 33

How many neutrons are in the following isotope?

Accepted Answer

146

Question 34

This is the most abundant form

Accepted Answer

True

Question 35

How many protons are in the isotope: Bromine-76?

Accepted Answer

35

Question 36

This bohr model is drawn correctly

Accepted Answer

False

Question 37

How many amu's is a proton?

Accepted Answer

1

Atomic Structure (History, Periodic Table), Atom Variants

Questions 37

Atomic Structure (History, Periodic Table), Atom Variants

Questions 37