Isotopes

Question 1

What is an Isotope

Answer 1

Versions of atoms with different amount of neutrons

Question 2

Atomic mass definition

Answer 2

Average of isotopes depending on abundance

Question 3

Bohr model levels (4)

Answer 3

[2, 8, 18, 32 ]

Question 4

SPDF notation (4d)

Answer 4

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10

Question 5

How can fit in many in s shell

Answer 5

2

Question 6

How many can fit in p shell

Answer 6

6

Question 7

How many can fit in d shell

Answer 7

10

Question 8

Diameter of a nucleus

Answer 8

10^-15m

Question 9

Diameter of an atom

Answer 9

10^-10m

Question 10

How to calculate atomic mass

Answer 10

(isotope mass * % + …) / 100% = ___ amu

Question 11

What is a photon

Answer 11

Light released and perceived when an electron goes back to it’s natural state

Question 12

What happens when an atom is excited

Answer 12

Electron move to higher orbitals (not between) and back to original state

Question 13

Explain the steps leading to spectroscopy

Answer 13

1. Electrons excited
2. move to higher orbitals
3. Excess energy released as light (photons) when electrons move back
   4.We see the emission spectrum

Question 14

Whose model theory does this support

Answer 14

Bohr model

Question 15

What is Schrödinger’s model based on

Answer 15

The probability of an electron being in that zone

Question 16

Color of lithium flame test

Answer 16

Red

Question 17

Color of Sodium flame test

Answer 17

Orange, yellow

Question 18

Color of calcium flame test

Answer 18

Brick red

Question 19

Color of Iron flame test

Answer 19

yellow orange

Question 20

Color of copper flame test

Answer 20

Blue-green

Question 21

Color of Strontium flame test

Answer 21

Red

Question 22

Color of potassium flame test

Answer 22

Lilac