the periodic tablw

Question 1

What is the periodic table?

Answer 1

The periodic table is a table of all the chemical elements.

Question 2

Explain the reactivities of Group 0 elements in the periodic table.

Answer 2

Group 0 elements are very unreactive because they have a stable outer shell of electrons.

Question 3

What are the horizontal rows in the periodic table called?

Answer 3

The horizontal rows in the periodic table are called periods

Question 4

Describe the reactivities of Group 7 elements in the periodic table.

Answer 4

Group 7 elements are reactive non-metals.
Their reactivity increases moving up the group.

Question 5

What are the vertical columns in the periodic table called?

Answer 5

The vertical columns in the periodic table are called groups

Question 6

Where are metals and non-metals located in the periodic table?

Answer 6

Metals are found on the left and in the middle of the periodic table.
Non-metals are found on the right side of the periodic table

Question 7

Describe the reactivity of Group 1 elements in the periodic table

Answer 7

Group 1 elements are the most reactive metals.
Their reactivity increases moving down the group.

Question 8

how do we organise the periodic table now

Answer 8

The modern periodic table lists the elements in order of increasing atomic number

Question 9

how do we write chemical symbols

Answer 9

The first letter is always capitalised and if there is a second letter it’s lower case