9 Weeks Test 3

Question 0

What is the number of protons and neutrons in one atom of lithium 
A. 3 
B. Li
C. Lithium 
D. 6.941

Answer 0

D

Question 1

What is the symbol for chlorine?

Answer 1

CL

Question 2

What name is this?

Ca

Answer 2

Calcium

Question 3

What is the atomic mass for carbon if the atomic number is 6?

Answer 3

12

Question 4

How many electrons does an atom of krypton have?
  36
  Kr
  Krypton 
  83.798

Answer 4

36

Question 5

What is the atomic number of iron? 
  ?
  Fe 
  Iron 
  55.847

Answer 5

26

Question 6

I what is the abbreviation for sodium?

Answer 6

Na

Question 7

How many protons does an atom of calcium have?  
  20
  Ca
  Calcium 
  40.077

Answer 7

20

Question 8

How many neutrons does an atom of arsenic have?
  33 
  As
  Arsenic 
  74.922

Answer 8

42

Question 9

What is the atomic number of arsenic?

Answer 9

33

Question 10

What is the atomic mass of gold if it has 118 neutrons? 
   79 
   Au
   Gold
   ?

Answer 10

197

Question 11

What letter is the number of protons in one atom of lithium? 
A. 3 
B. Li
C. Lithium 
D. 6.941

Answer 11

A.

Question 12

What letter is the atomic mass?
A. 3 
B. Li
C. Lithium 
D. 6.941

Answer 12

D

Question 13

What is the atomic mass? 
  79
  Au
  Gold 
    ?

Answer 13

197

Question 14

What is a material that attracts iron and materials that contain iron?

Answer 14

Magnet

Question 15

Where on a magnet is its magnetic force strongest?

Answer 15

At either the north or south poles

Question 16

In a magnetized material, all it most of the magnetic domains are arranged in the same ______

Answer 16

Direction

Question 17

You can destroy a magnet by _______

Answer 17

Heating it

Question 18

Every million years or so , Earth’s magnetic field has ________ __________

Answer 18

Reversed direction

Question 19

The region of Earth’s magnetic field shaped by solar winds is called the ____________

Answer 19

Magnetosphere

Question 20

The area or magnetic force around is called the magnet’s

Answer 20

Magnetic field

Question 21

A group of atoms with their magnetic fields pointing the same direction is called a(n) ________ _______

Answer 21

Magnetic domain

Question 22

A magnet made from material that keeps its magnetism for a long time is called a ________ magnet

Answer 22

Permanent

Question 23

A glowing region in Earth’s atmosphere caused by charged particles from the sun is called a(n) ________

Answer 23

Aurora

Question 24

Well mixed mixture that contains a solvent and at least one solute is called a _________

Answer 24

Solution

Question 25

Which part of the solution is present in the largest amount?

Answer 25

The solvent

Question 26

What does a substance present in the solution and the smaller amount

Answer 26

Solute

Question 27

I was within a group always have the same number of ____ _____

Answer 27

Valence electrons

Question 28

What is solubility

Answer 28

The measure of how much solute can be dissolved in a solvent at a given temperature

Question 29

The ____ _____ of an element is the number of protons in the nucleus of an atom.

Answer 29

Atomic number

Question 30

_______ _______ are those electrons that are held more loosely in an atom

Answer 30

Valence electrons

Question 31

A ______ is two or more elements that are chemically combined

Answer 31

Compound

Question 32

And the solution the ______ is dissolved by the ______

Answer 32

Solute, solvent

Question 33

Protons and neutrons of an Atom are located in the ______

Answer 33

Nucleus

Question 34

The smallest unit of an element that has all the basic properties of an element is called a ____

Answer 34

Atom

Question 35

Which of the following has no positive or negative charge?

Answer 35

Neutron

Question 36

``` Which of the following is not a factor that affects the solubility of a substance A. Pressure B. Temperature C. Type of solvent D. Location ```

Answer 36

D. Location

Question 37

What are the elements in the same column of the periodic table called?

Answer 37

Family

Question 38

How are elements represented on the periodic table?

Answer 38

Symbol

Question 39

How is the periodic table organized

Answer 39

By atomic number.

Question 40

What is the greatest number of valence electrons an atom can have?

Answer 40

8

Question 41

What are the two major factors that scientists use to classify climates?

Answer 41

Temperature and precipitation

Question 42

The day to day change in temperature and precipitation make up an areas ______

Answer 42

Weather

Question 43

What did Koppen also consider when classifying climates?

Answer 43

Vegetation

Question 44

Seasons are caused by?

Answer 44

The tilt if earths axis

Question 45

``` Which of the following is NOT a major climate region? Dry Ice cap Tropical Rainy Temperate marine ```

Answer 45

Ice cap

Question 46

Permanently frozen tundra soil is called _________

Answer 46

Permafrost

Question 47

Which of the following is true about the tilt of earths axis? It always points towards the sun It is always stationary It moves to always point away from the sun None of the above

Answer 47

It is always stationary

Question 48

T or F | Thin tree rings indicates that that year was warm and wet

Answer 48

F

Question 49

If a tree ring for a particular year is thick, what does that indicate about the year?

Answer 49

Warm and wet

Question 50

At about what angle is earths axis is tilted?

Answer 50

23.5 degrees