WorksheetsUnit 2 Review - Electrons
Total questions: 28
Worksheet time: 1hrs 24mins
1s2 2s2 2p6 3s2
How many electrons can the 3d sublevel hold?
8
10
2
4
1s22s22p63s23p6
4s23d104p6
How many electrons can the 3p sublevel hold?
6
10
2
8
How many electrons can the 4s sublevel hold?
8
18
2
8
An atom that has gained energy beyond normal is said to be ...
excited
energized
naturalized
grounded
Valence electrons are located...
inside the nucleus
in outer space
on the outermost electron shell in an atom
on the electron shell closest to the nucleus.
Which sublevel will be filled FIRST?
3p
2s
2p
1s
What do the superscripts (exponents) in the electron configuration mean? ex. 1s22s23p4
Energy level
Location of orbital
Number of electrons
Hund's Rule
Three dimensional region around the nucleus that describes an electron's probable location
orbital
energy level
sublevel
excited state
How many electrons can the 4f sublevel hold?
6
14
2
10
How many electrons can the 4p sublevel hold?
6
14
2
10
How many electrons can the 2s sublevel hold?
6
14
2
10
How many electrons does it take to fill the 3rd energy level?
2
8
18
10
32
How many electrons does it take to fill the 2nd energy level?
2
8
18
10
32
How many electrons does it take to fill the 1st energy level?
2
8
18
10
32
How many electrons does it take to fill the 4th energy level?
2
8
18
10
32
When does electron movement produce light?
when an electron moves from the ground state up to an excited state
when an electron moves from an excited state down to a ground state
when an electron absorbs energy
when an electron leaves an atom
When does the movement of electrons produce light?
when an electron absorbs energy and moves from the ground state up to an excited state
when an electron emits energy and moves from an excited state down to a ground state
when an electron emits energy and moves from the ground state up to an excited state
when an electron absorbs energy and moves from an excited state down to a ground state
