week 1, concept 5: Electron configuration (matter and atoms)

Question 1

Answer 1

concept 5 :

electron configuration

Question 2

Question 3

Electron configuration:

Answer 3

The arrangement of electrons in the extranuclear space.

The energy of electrons in an atom is quantized, which means that an electron in an atom can have only certain allowed energies.

Question 4

Ground-state electron configuration:

Answer 4

The electron configuration of the lowest energy state of an atom.

Question 5

distribution of electrons in shells

(visual)

Answer 5

Question 6

distribution of orbitals within shells

(visual)

Answer 6

Question 7

Shells fill in the order of increasing _ from _ to _.

Answer 7

Shells fill in the order of increasing energy from lowest to highest.

Question 8

Valence shell:

Answer 8

The outermost incomplete shell.

Question 9

Valence electron:

Answer 9

An electron in the valence shell.

Question 10

Lewis dot structure:

Answer 10

The symbol of the element represents the nucleus and filled shells.

Question 11

(visual)

Noble gas notation and lewis dot structure for alkali metals (group 1A elements)

Answer 11

Question 12

(visual)
electron configuration and the periodic table

Answer 12

Question 13

shells have _number of maxium _ (can have less but not more)

Answer 13

shells have fixed number of maxium electrons (can have less but not more)

Question 14

orbitals are shown divided into _

Answer 14

boxes

Question 15

can have this many electrons

s = _, p = _, d=_, f=_

Answer 15

s=2 , p=6, d=10, f=4

Question 16

orbital:

Answer 16

patterns of electron density

Question 17

everything to do with an atom has to do with the _ shell

Answer 17

last

Question 18

the last shell is the _ shell

Answer 18

valance

Question 19

valance shells, are the shell that take part in _

Answer 19

bonding