Atoms and elements Year 8 - Mr Pike | Knihovna

1

Which of the following particles are found in an atom

1

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

1

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

1

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

Bromine

Boron

Borhium

Beryllium

1

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

C

Ca

ca

CA

1

Sulfur (#16) is a ...

nonmetal

metalloid

metal

1

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

Molecule

Neutron

Electron

Proton

1

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

neutron

proton

electron

1

The sub-atomic particle that is positive is the

electron

proton

neutron

1

The sub-atomic particle that is negative is the

neutron

proton

electron

1

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

10

4

2

8

1

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

4

10

8

2

1

In the Periodic Table, the vertical columns are called

periods

groups/families

classes

1

In the Periodic Table, the horizontal rows are called

groups/families

classes

periods

1

Which subatomic particle in an atom is positive?

Proton

Neutron

Electron

1

What is the order for filling electron shells?

2,2,8

2,8,8

8,2,8

1

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

23

12

11

1