Semester 1 Review

Question 1

Name (NH4)2SO4

Accepted Answer

Ammonium Sulfate

Question 2

Determine the X

Accepted Answer

Xenon - 131

Question 3

Which element has the largest atomic radius?

Accepted Answer

Radium

Question 4

How many hydrogens are in (NH4)2SO3

Accepted Answer

8

Question 5

What is the formula for carbon dioxide?

Accepted Answer

CO2

Question 6

What is atomic radius

Accepted Answer

distance from nucleus to outermost electron

Question 7

How many protons does cobalt - 59 have?

Accepted Answer

27

Question 8

What is the mass number of this atom?

Accepted Answer

12

Question 9

Which element has the greatest electronegativity?

Accepted Answer

Fluorine

Question 10

What relationship is shown in the graph?

Accepted Answer

Direct: More years in school = more money

Question 11

Ions have a different number of...

Accepted Answer

electrons

Question 12

What is the superscript in 5PO43-

Accepted Answer

-3

Question 13

An alpha particle is the same as a _________ nucleus

Accepted Answer

helium

Question 14

What is the subscript in 5PO43-

Accepted Answer

4

Question 15

Name NaCl

Accepted Answer

Sodium Chloride

Question 16

How many neutrons does cobalt - 59 have?

Accepted Answer

32

Question 17

Name MgBr2

Accepted Answer

Magnesium Bromide

Question 18

How many miles did Ms. Peterson run if she ran 58,200 ft? 1 mile = 5820 feet

Accepted Answer

10 miles

Question 19

What is the picture showing? (2 answers)

Accepted Answer

Nuclear fission, Chain reaction

Question 20

How many oxygens are in 5PO43-

Accepted Answer

20

Question 21

Which element has the smallest electronegativity?

Accepted Answer

Cesium

Question 22

How many valence electrons does Si have?

Accepted Answer

4

Question 23

Determine the X

Accepted Answer

Chlorine - 36

Question 24

Which element has the smallest atomic radius?

Accepted Answer

Fluorine

Question 25

What is electronegativity?

Accepted Answer

affinity for electrons

Question 26

How many valence electrons does Li have?

Accepted Answer

1

Question 27

Periodic Law arranges atoms based on their...

Accepted Answer

atomic number

Question 28

Name PCl2

Accepted Answer

Phosphorous Dichloride

Question 29

How many valence electrons does SO2 have?

Accepted Answer

18

Question 30

Which element has the smallest atomic radius?

Accepted Answer

Silicon

Question 31

What is the relationship shown in the graph between frequency and wavelength?

Accepted Answer

Indirect: Bigger wavelength = lower frequency

Question 32

What is the relationship between atomic radius and electronegativity

Accepted Answer

Indirect: greater the a.r the smaller the electronegativity

Question 33

Name BF3

Accepted Answer

Boron Trifluoride

Question 34

The ending materials in a chemical reaction are called the...

Accepted Answer

products

Question 35

The starting materials in a chemical reaction are called the...

Accepted Answer

reactants

Question 36

What is a beta particle?

Accepted Answer

fast moving electron

Question 37

Carbon - 14 has how many protons?

Accepted Answer

6

Question 38

Which element has the largest atomic radius?

Accepted Answer

Carbon

Question 39

Which element has the greatest electronegativity?

Accepted Answer

Oxygen

Question 40

Determine the ???

Accepted Answer

Helium - 4

Question 41

Isotopes have a different number of...

Accepted Answer

neutrons

Question 42

This element has 74 protons

Accepted Answer

tungsten

Question 43

What is the coefficient in 5PO43-

Accepted Answer

5

Question 44

How many neutrons does carbon - 14 have?

Accepted Answer

8

Question 45

This element has 33 protons

Accepted Answer

arsenic

Semester 1 Review

Questions 45

Semester 1 Review

Questions 45