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Flashcards in 9 Weeks Test 3 Deck (51)
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What is the symbol for chlorine?

CL

1

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

D

2

What name is this?
Ca

Calcium

3

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

12

4

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

36

5

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

26

6

I what is the abbreviation for sodium?

Na

7

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

20

8

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

42

9

What is the atomic number of arsenic?

33

10

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

197

11

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

A.

12

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

D

13

What is the atomic mass?
79
Au
Gold
?

197

14

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

Magnet

15

Where on a magnet is its magnetic force strongest?

At either the north or south poles

16

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

Direction

17

You can destroy a magnet by _______

Heating it

18

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

Reversed direction

19

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

Magnetosphere

20

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

Magnetic field

21

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

Magnetic domain

22

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

Permanent

23

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

Aurora

24

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

Solution

25

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

The solvent

26

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

Solute

27

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

Valence electrons

28

What is solubility

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

29

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

Atomic number