C4 Atoms,Elements,The Periodic Table

Question 1

How can data about properties and elements on the periodic table be used?

Answer 1

Wot out trends and make predictions

Question 2

How do you find the relative atomic mass?

Answer 2

No. Of protons + no. Of neutrons

Question 3

How would you find the electron arrangement of potassium?

Answer 3

Proton number= 19
Shell 1 = 2
Shell 2 = 8
Shell 3 = 8
Shell 4 = 1

Question 4

Electrons in different shells have different energy levels. The ones closest to the nucleus has …….. Energy levels.

Answer 4

Lower.

Question 5

What are Altima of elements with 3 electrons on the outer shell?

Answer 5

Metals

Question 6

How many atoms are there on the outer shell of non- metals?

Answer 6

5 or more

Question 7

What are elements with a full outer shell?

Answer 7

Inert gasses

Question 8

What is a group of the periodic table?

Answer 8

A vertical column.

Question 9

What kind of metals are in group 1?

Answer 9

Alkali metals

Question 10

How many electrons are on the outer shell of group 1 elements?

Answer 10

1 electron

Question 11

what is the history of the periodic table?

Answer 11

Dmitri Mendeleev
= groups and periods
Based on RAM

Pother scientists saw patterns but not all the elements fitted within them.