Grade 9 Science - Periodic Table of Elements

Question 0

What’s the order of electrons in in a Bohr-Rutherford diagram?

Answer 0

2, 8, 8, 2

Question 1

How do you draw a Bohr-Rutherford Diagram?

Answer 1

Put the number of protons and neutrons in the middle of a circle then draw the shells

Question 2

Down each column what is the change in the number of electrons?

Answer 2

They increase by 1 each time

Question 3

What is the first column called?

Answer 3

Alkali metal column

Question 4

What is column 2 called?

Answer 4

Alkaline Earth Metals

Question 5

What is column 17 called?

Answer 5

Halogens

Question 6

What is column 18 called?

Answer 6

Noble gasses

Question 7

How do you draw Lewis Dot Diagram?

Answer 7

Wright the symbol then put the valence electron in place of where they would if there was a shell drawn (dont actually draw shell)

Question 8

What elements are considered metals

Answer 8

Every element on the left side of the thick black line on the table (except hydrogen)

Question 9

What elements are considered non-metals?

Answer 9

All elements on the right side of the table

Question 10

What elements are considered metalloids?

Answer 10

Baron
Silicon
Germanium
Antimony
Arsenic
Tellurium
Polonium

Question 11

Valence?

Answer 11

The final shell of an element

Question 12

Shell?

Answer 12

The sections that contain a certain number of electrons