Chapter 2

Question 1

What is everything made of?

Answer 1

100’s kinds of atoms

Question 2

Who developed the Atomic Theory?

Answer 2

John Dalton

Question 3

What is the First Postulate of Dalton’s Theory?

Answer 3

Indivisible particles exist in the form of Atoms

Question 4

What is the Second Postulate of Dalton’s Theory?

Answer 4

Different Elements have different Atoms

Question 5

What is the Third Postulates of Dalton’s Theory?

Answer 5

Atoms don’t alter during chemical reactions

Question 6

What is the Fourth Postulate of Dalton’s Theory?

Answer 6

The ratio between the number of Atoms in a Compound is Always the Same.

Question 7

The ratio between the number of Atoms in a Compound is Always the Same. Is known as?

Answer 7

Law of Constant Composition

Question 8

Atoms don’t alter during chemical reactions is known as what law?

Answer 8

Law of Conservation of Mass

Question 9

What law is called when two elements come together to form one compound?

Answer 9

Law of Multiple Proportions

Question 10

Who experimented with Cathode and Electrons in 1897?

Answer 10

J.J Thompson

Question 11

Who did the Oil Drop Experiment in (1868-1953)?

Answer 11

Robert Millikan

Question 12

Who came up with the Plum-Pudding Model?

Answer 12

J.J Thompson

Question 13

Who Disapproved the Plum-Pudding Model?

Answer 13

Rutherford

Question 14

Who Postulated the Nuclear Model

Answer 14

Rutherford

Question 15

What are the 3 levels of Radioactivity?

Answer 15

Alpha, Beta and Gamma

Question 16

Who discovered Radiation? (3)

Answer 16

Henri Becquerel and Marie and Pierre Curie

Question 17

Who named and identified Radioactive Particles?

Answer 17

Rutherford

Question 18

Who did the Gold Foil Experiment?

Answer 18

Rutherford

Question 19

How many Protons, Neutrons does an Alpha Particle have? Including the Charge?

Answer 19

2 Protons and 2 Neutrons with a 2+ Charge

Question 20

What type of energy does the electron have in an Gamma Particle have? Including the Charge?

Answer 20

High Energy Electron and a -1 Charge

Question 21

What is the charge and mass of a Gamma Particle? and has what type of Energy

Answer 21

No Charge and No Mass. Pure Energy

Question 22

What is in the center of a Atom?

Answer 22

Protons and Neutrons

Question 23

What occupies the volume in an Atom?

Answer 23

Electrons

Question 24

What year was the Discovery of DNA?

Answer 24

1869

Question 25

Who Discovered the Neutron?

Answer 25

Chadwick

Question 26

What is the Charge on a Proton?

Answer 26

1+

Question 27

What is the Charge on a Neutron?

Answer 27

0 or Neutral

Question 28

What is the Charge on a Electron?

Answer 28

1-

Question 29

What is the Mass of a Proton?

Answer 29

1.0073

Question 30

What is the Mass of a Neutron?

Answer 30

1.0087

Question 31

What is the Mass of a Electron?

Answer 31

5.486x10 to the -9 power

Question 32

What is the Atomic Number?

Answer 32

Number of Protons

Question 33

What is the Mass Number?

Answer 33

Number of Protons and Neutrons

Question 34

What do Isotopes have a different number of?

Answer 34

Have a different number of Neutrons

Question 35

How are Abundances are determined?

Answer 35

With a Mass Spectrometer

Question 36

Where are the Groups on the Periodic Table found?

Answer 36

Found going Down the Table

Question 37

Where are Periods found on the Periodic Table?

Answer 37

Going Across the Table

Question 38

What group are the Alkali Metals in?

Answer 38

Group 1A

Question 39

What group are the Alkaline Earth Metals?

Answer 39

2A

Question 40

What Group are the Chalcogens found in?

Answer 40

6A

Question 41

What Group are the Halogens found in?

Answer 41

7A

Question 42

What Group are the Noble Gases found in?

Answer 42

8A

Question 43

What is Shiny and has a High Electrical and Heat Conductivity?

Answer 43

Metal

Question 44

Can be Metals or Non-Meatls be found in a gaseous, liquid or solid?

Answer 44

Non-Metals

Question 45

What are found between the Metals and Non-Metals?

Answer 45

Metalloids

Question 46

The radius of a elements increases going from? (2)

Answer 46

Right to Left Top to Bottom

Question 47

The radius of a elements decreases going from?

Answer 47

Left to Right Bottom to Top

Question 48

How are elements are arranged on the Periodic Table?

Answer 48

According to their Atomic Number

Question 49

How many Electrons are in the Outer Shells of Electrons?

Answer 49

8

Question 50

What are Molecular Compounds ONLY Composed of?

Answer 50

Non-Metals

Question 51

What type of bonding does Molecular compounds have?

Answer 51

Covalent

Question 52

H2, O2, N2 etc. are considered?

Answer 52

Diatomics

Question 53

The Molecular Formula measure?

Answer 53

Actual Number of Atoms

Question 54

What does the Empirical Formula measure?

Answer 54

Lowers ratio of each Atom

Question 55

What formula shows the order of in which atoms are bonded?

Answer 55

Structural Formula

Question 56

What formula shows a three-dimensional array of atoms in a compound?

Answer 56

Perspective Drawing

Question 57

What model displays both the three-dimensional position of the atoms and the bonds between them.

Answer 57

Ball and Stick

Question 58

What model are represented by spheres whose radii are proportional to the radii of the atoms.​

Answer 58

Space-filling Models

Question 59

What are Ionic Compounds made of?

Answer 59

Metals and Non-Metals

Question 60

Atoms that have Gained or Lost Electrons are known as?

Answer 60

Ions

Question 61

What are Cations made of? Metals or Non-Metals?

Answer 61

Metals

Question 62

What Charge do Cations have?

Answer 62

Positive

Question 63

Do Cations Gain or Lose Electrons?

Answer 63

Lose

Question 64

What are Anions made out of? Metals or Non-Metals?

Answer 64

Non-Metals

Question 65

What Charge do Anions have?

Answer 65

Negative

Question 66

Do Anions Gain or Lose Electrons?

Answer 66

Gain

Question 67

When Ions come together they form?

Answer 67

Ionic Compounds

Question 68

Where are Anions found on the Periodic Table? Left or Right Side?

Answer 68

Right Side

Question 69

Where are Cations found on the Periodic Table? Left or Right Side?

Answer 69

Left Side

Question 70

A Group of Atoms together that has a Charge is Called?

Answer 70

Polyatomic Ion​ (NH4+) ​

Question 71

A Ionic Compound is made out of?

Answer 71

Metal and a Non-Metal

Question 72

A Covalent Compound is made out of?

Answer 72

Two or more Non-Metals

Question 73

In a Neutral Elements is the number of Protons and Electrons the same?

Answer 73

Yes

Question 74

Molecular Compounds are made out of?

Answer 74

Non-Metals

Question 75

Binary Molecular Compounds are made out of?

Answer 75

Two Non-Metals