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Pre-Ap Science > 9 Weeks Test 3 > Flashcards

9 Weeks Test 3 Flashcards

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0
Q 
What is the number of protons and neutrons in one atom of lithium 
A. 3 
B. Li
C. Lithium 
D. 6.941
A

D

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1
Q

What is the symbol for chlorine?

A

CL

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2
Q

What name is this?

Ca

A

Calcium

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3
Q

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

A

12

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4
Q 
How many electrons does an atom of krypton have?
  36
  Kr
  Krypton 
  83.798
A

36

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5
Q 
What is the atomic number of iron? 
  ?
  Fe 
  Iron 
  55.847
A

26

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6
Q

I what is the abbreviation for sodium?

A

Na

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7
Q 
How many protons does an atom of calcium have?  
  20
  Ca
  Calcium 
  40.077
A

20

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8
Q 
How many neutrons does an atom of arsenic have?
  33 
  As
  Arsenic 
  74.922
A

42

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9
Q

What is the atomic number of arsenic?

A

33

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10
Q 
What is the atomic mass of gold if it has 118 neutrons? 
   79 
   Au
   Gold
   ?
A

197

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11
Q 
What letter is the number of protons in one atom of lithium? 
A. 3 
B. Li
C. Lithium 
D. 6.941
A

A.

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12
Q 
What letter is the atomic mass?
A. 3 
B. Li
C. Lithium 
D. 6.941
A

D

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13
Q 
What is the atomic mass? 
  79
  Au
  Gold 
    ?
A

197

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14
Q

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

A

Magnet

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15
Q

Where on a magnet is its magnetic force strongest?

A

At either the north or south poles

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16
Q

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

A

Direction

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17
Q

You can destroy a magnet by _______

A

Heating it

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18
Q

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

A

Reversed direction

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19
Q

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

A

Magnetosphere

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20
Q

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

A

Magnetic field

21
Q

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

A

Magnetic domain

22
Q

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

A

Permanent

23
Q

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

A

Aurora

24
Q

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

A

Solution

25
Q

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

A

The solvent

26
Q

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

A

Solute

27
Q

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

A

Valence electrons

28
Q

What is solubility

A

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

29
Q

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

A

Atomic number

30
Q

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

A

Valence electrons

31
Q

A ______ is two or more elements that are chemically combined

A

Compound

32
Q

And the solution the ______ is dissolved by the ______

A

Solute, solvent

33
Q

Protons and neutrons of an Atom are located in the ______

A

Nucleus

34
Q

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

A

Atom

35
Q

Which of the following has no positive or negative charge?

A

Neutron

36
Q 
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
A

D. Location

37
Q

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

A

Family

38
Q

How are elements represented on the periodic table?

A

Symbol

39
Q

How is the periodic table organized

A

By atomic number.

40
Q

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

A

8

41
Q

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

A

Temperature and precipitation

42
Q

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

A

Weather

43
Q

What did Koppen also consider when classifying climates?

A

Vegetation

44
Q

Seasons are caused by?

A

The tilt if earths axis

45
Q 
Which of the following is NOT a major climate region?
 Dry
 Ice cap 
 Tropical Rainy
 Temperate marine
A

Ice cap

46
Q

Permanently frozen tundra soil is called _________

A

Permafrost

47
Q

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

A

It is always stationary

48
Q

T or F

Thin tree rings indicates that that year was warm and wet

A

F

49
Q

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

A

Warm and wet

50
Q

At about what angle is earths axis is tilted?

A

23.5 degrees

Pre-Ap Science (16 decks)

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