Electronic Stucture

Question 1

Relative isotopic mass

Answer 1

The mass of an atom of an isotope compared with 1/12 of the mass of C – 12
(Equal to mass number)

Question 2

Relative atomic mass

Answer 2

Ar, The weighted mean mass of an atom when compared to 1/12 of an atom of C – 12.

Question 3

Weighted mean mass

Answer 3

The mass of all isotopes of an element taking into account each abundance

Question 4

Nitrate ion

Answer 4

NO3-

Question 5

Sulphate ion 

Answer 5

SO4 2-

Question 6

Phosphate ion

Answer 6

PO4 3-

Question 7

Ammonium ion

Answer 7

NH4+

Question 8

Hydroxide ion

Answer 8

OH-

Question 9

Carbonate ion

Answer 9

CO3 2-

Question 10

Polyatomic ion

Answer 10

Few atoms joined by covalent bonds with an overall charge

Question 11

Elemental ions

Answer 11

Single atoms 

Question 12

Cation

Answer 12

+

Question 13

Anion

Answer 13

-

Question 14

Electrons occupy subshells in order of

Answer 14

Increasing energy

Question 15

Which subshell are electrons lost from first

Answer 15

4s

Question 16

Spin

Answer 16

Cause electrons are negatively charged they always repel causing spin

Question 17

WhyAre all orbitals of the same energy occupied before singly purring

Answer 17

Reduce repulsion

Question 18

Two atoms which lose from 3-D subshell first (exceptions)

Answer 18

Cu-29
Cr-24

Question 19

Orbital

Answer 19

Region of space within an atom that can hold up to 2 electrons with opposite spin

Question 20

S – orbital shape

Answer 20

Sphere

Question 21

P– Orbital shape

Answer 21

Propellor

Question 22

Block of an element tells you what

Answer 22

Its highest energy subshell

Question 23

subshells in shell 4

Answer 23

spdf

Question 24

total electrons in f sub-shell

Answer 24

14

Question 25

total electrons in d sub-shell

Answer 25

10

Question 26

total electrons in p subshell

Answer 26

6

Question 27

how is relative atomic mass found

Answer 27

mass spectrometry showing relative abundances of isotopes

Question 28

when is the m/z value the same as the mass of the ion?

Answer 28

when the ionic charge is +1

Question 29

common ions of Fe

Answer 29

Fe 2+ Fe3+

Question 30

silver ion

Answer 30

Ag+

Question 31

zinc ion

Answer 31

Zn2+

Question 32

is the 4s subshell higher or lower energy than 3d?

Answer 32

if empty, 4s is lower energy, so fills first
if occupied, 4s is higher energy, so lost from first