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Atoms and elements Year 8

Last updated 3 months ago

30 questions

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Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

8.

Which element has the symbol Li at period 2, group 1?

Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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Question 16

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Question 17

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Question 18

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Question 19

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Question 20

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Question 21

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Question 22

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Which of the following particles are found in an atom

electrons

protons

negatrons

neutrons

positrons

quarks

mesons

megatrons

Which of the following is the most correct answer regarding the structure of the atom

protons are in the inside of the atom; by contrast electrons are located outside of the atom

protons are in the nucleus; electrons are outside of the nucleus

 electrons are in the nucleus; protons are outside of the nucleus 

both electrons and protons are in the nucleus

I don't know

Which element has the symbol B at period 2, group 13? 

Bromine

Boron

Borhium

Beryllium

What is the symbol for Calcium at period 4, group 2? 

C

Ca

ca

CA

Sulfur (#16) is a ...

nonmetal

metalloid

metal

Which one of which of the following is not a sub-atomic particle that makes up an atom?

Molecule

Neutron

Electron

Proton

The sub-atomic particle that is neutral/has no electrical charge is the

neutron

 proton

electron

The sub-atomic particle that is positive is the

electron

 proton

neutron

The sub-atomic particle that is negative is the

neutron

 proton

electron

What is the maximum number of electrons that are allowed on the second orbital/cloud?

10

4

2

8

What is the maximum number of electrons that are allowed on the first orbital/cloud?

4

10

8

2

In the Periodic Table, the vertical columns are called

periods

groups/families

classes

In the Periodic Table, the horizontal rows are called

groups/families

classes

periods

Which subatomic particle in an atom is positive?

Proton

Neutron

Electron

What is the order for filling electron shells?

2,2,8

2,8,8

8,2,8

If the two numbers on the periodic table for sodium are 23 and 11, how many neutrons are there?

23

12

11

Question 23

23.

Question 24

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Question 25

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Question 26

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Question 27

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Question 28

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Question 29

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Question 30

30.

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