Atomic Structure

Question 1

Each element contains

Answer 1

Protons (positive)
Neutrons (neutral)
Electrons

Question 2

Circles

Answer 2

Shells / energy levels

Question 3

Periodic Table

Answer 3

The periodic table is in order of atomic.

Atomic number = position.
Atomic mass = mass.

Lightest -> heaviest

Question 4

The mass number for each element =

Answer 4

the total number of protons and neutrons.

Question 5

Atomic number equals…

Answer 5

number of protons and number of electrons

Question 6

Figure out neutrons by

Answer 6

subtracting the atomic number from the mass number.

Question 7

Electron Configurations

Bohr Model

Answer 7

2, 8, 8

energy levels

Question 8

Electron Configurations

Notation

Answer 8

S, P, d, f notation

Question 9

S, P, d, f

Meanings

Answer 9

Principle energy level (1, 2, 3, 4…)
(once filled - move onto next shell)

Sub-level (S, P, d)

Orbitals

Question 10

Sub levels contain

Answer 10

orbitals

Question 11

Orbitals contain

Answer 11

electrons - can hold up to 2.

Question 12

Shapes (S, P, d)

Answer 12

1) S-shape (1 orbital) 2 max.
2) Dumbell shaped (3 orbitals) 6 max.
3) d sublevel (5 orbitals) 10 max.

Question 13

Principle energy levels

Answer 13

Hund’s rule

Alfbal Principle