Chemistry Basics

Question 1

Oxygen is a.....

Accepted Answer

Non-metal

Question 2

What period is potassium in?

Accepted Answer

4

Question 3

What is a negatively charged ion called?

Accepted Answer

anion

Question 4

What group is magnesium in?

Accepted Answer

2

Question 5

When oxygen becomes an ion (oxide) its charge is...

Accepted Answer

-2

Question 6

What does the chemical symbol C stand for?

Accepted Answer

Carbon

Question 7

When oxygen become an ion, it wants to...

Accepted Answer

Gain electrons

Question 8

The chemical formula for sodium chloride is...

Accepted Answer

NaCl

Question 9

When magnesium becomes an ion, what is its charge?

Accepted Answer

+2

Question 10

Sodium is a.....

Accepted Answer

Metal

Question 11

How many periods are on the periodic table?

Accepted Answer

7

Question 12

When chlorine gains an electron to become a ion, its charge is....

Accepted Answer

-1

Question 13

Silicon is a.....

Accepted Answer

Metalloid

Question 14

How many electrons can fit in the second shell of an atom?

Accepted Answer

8

Question 15

What is the charge of a neutron?

Accepted Answer

0

Question 16

How many protons does sodium have?

Accepted Answer

11

Question 17

What is the chemical symbol for iron?

Accepted Answer

Fe

Question 18

What is a positively charged ion called?

Accepted Answer

cation

Question 19

How many electrons does aluminium have?

Accepted Answer

13

Question 20

When magnesium becomes an ion, does it:

Accepted Answer

Lose electrons

Question 21

How many electrons can fit in the third shell of an atom?

Accepted Answer

18

Question 22

Neon is a.....

Accepted Answer

Noble gas

Question 23

What is the atomic number of the element named after the inventor of the periodic table?

Accepted Answer

101

Question 24

What is the atomic number for calcium?

Accepted Answer

20

Question 25

How many electrons does hydrogen have?

Accepted Answer

1

Question 26

What is the atomic number for nitrogen?

Accepted Answer

7

Question 27

How many elements are on the periodic table?

Accepted Answer

118

Question 28

What is the atomic number of silver?

Accepted Answer

47

Question 29

What is the number of the element named after the famous scientist Einstein?

Accepted Answer

99

Question 30

What is a charged atom (one that has lost or gained electrons) is called?

Accepted Answer

Ion

Question 31

Name the chemical symbol for argon.

Accepted Answer

Ar

Question 32

What is the chemical symbol for helium?

Accepted Answer

He

Question 33

What is the charge of a proton?

Accepted Answer

+

Question 34

How many hydrogen atoms are in water (H2O)

Accepted Answer

2

Question 35

How many groups are there on the periodic table of elements?

Accepted Answer

18

Question 36

What subatomic particles make up the nucleus of an atom?

Accepted Answer

Protons and neutrons

Question 37

What is the charge on an electron?

Accepted Answer

-

Question 38

What is the chemical symbol for boron

Accepted Answer

B

Question 39

When sodium loses one electron, what is its ionic charge?

Accepted Answer

+1

Question 40

How many electrons can fit in the first shell of an atom?

Accepted Answer

2

Chemistry Basics

Questions 40

Chemistry Basics

Questions 40