SC4

Question 1

How did Mendeleev organise elements into a periodic table

Answer 1

He sorted elements by theyre increasing atomic masses

Question 2

How is the modern periodic table aroanged??

Answer 2

Period :increasing atomic mass.
Group: Similar properties

Question 3

Where are non-metals on the periodic table

Answer 3

right of table

Question 4

What is electronic configeration?

Answer 4

The way in whih atom’s electrons are arranged