More about the electron arrangements in atoms

Question 1

Electrons in different shells have a different amount of…

Answer 1

Energy

Question 2

The main energy levels are divided into what?

Answer 2

Sub-levels

Question 3

The sub-levels all have slightly different…

Answer 3

Energies

Question 4

What are the 4 sub-levels?

Answer 4

S,p,d and f

Question 5

The electron is no longer considered to be a partical but rather a…

Answer 5

Cloud of atomic charge

Question 6

An electron fills a volume in space which is called?

Answer 6

Its atomic orbital

Question 7

What do the shapes of the atomic orbitals represent?

Answer 7

A 95% chance of finding an electron

Question 8

what orbitals does the 1st main energy level have?

Answer 8

One s orbital

Question 9

What orbitals does the 2nd main energy level have?

Answer 9

One s orbital and three p orbitals

Question 10

What orbitals does the 3rd main energy level have

Answer 10

One s orbital, three p orbitals and 5 d orbitals

Question 11

How many electrons can a single atomic orbital hold?

Answer 11

2 maximum

Question 12

p orbitals always come in groups of…

Answer 12

3

Question 13

d orbitals always come in groups of…

Answer 13

5

Question 14

f orbitals always come in groups of…

Answer 14

7

Question 15

The sub-levels are divided into what?

Answer 15

Orbitals

Question 16

How many electrons are there in an s sub-level?

Answer 16

2

Question 17

How many electrons are there in a p sub-level?

Answer 17

6

Question 18

How many electron she are there in a d sub level?

Answer 18

10

Question 19

How many electrons are there in an f sub-level?

Answer 19

14

Question 20

Draw out a diagram for the number of electrons in each levels and sub levels

Answer 20

Check page 15

Question 21

what is spin?

Answer 21

Electrons have a property called spin

Question 22

do two electrons in the same orbital spin the same way or different ways?

Answer 22

Different ways

Question 23

How can you represent the different electron spin?

Answer 23

By showing arrows pointing up and down

Question 24

Why do atomic orbitals fill singly before pairing starts?

Answer 24

Because electrons repel each other.

Question 25

What are the 3 rules for allocating electrons to atomic orbitals?

Answer 25

Atomic orbitals of lower energy are filled first
Atomic orbitals of the same energy level fill singly before pairing starts.
Atomic orbitals can hold no more than two electrons

Question 26

The f orbital is introduced after which element?

Answer 26

Vanadium