Worksheets24Representing Valence Electrons of Elements: Valence Electron
Total questions: 10
Worksheet time: 8mins
what is the valence electrons for carbon with 6 electrons? 1s2 2s2 2p2
2
6
4
3
what is the valence electrons for phosphorus in group 15?
15
5
3
2
calcium is in group 2 of the periodic table. what is the valence electrons?
12
2
18
0
nitrogen has 7 electrons. what is the electron configuration?
1s2 2s1 2p4
1s2 2s2 2p3
1s1 2s1 2p5
1s2 2s5
how many electrons can get into one orbital?
1
6
2
4
fluorine has 9 electrons. what is the electronic configuration?
1s2 2s2 2p1 3s4
1s2 2p6 3s1
1s1 2s3 3p5
1s2 2s2 2p5
which rule says electrons fill orbitals from the lower energy to higher energy?
pauli exclusion principle
hund's rule
aufbau principle
none of these
which rule says that electrons must occupy orbitals with opposite spin?
aufbau principle
pauli exclusion principle
hund's rule
none of these
what is the valence electrons of an element in group 17?
7
17
1
5
which element has the highest valence?
1s2 2s2
1s2 2s2 2p1
1s2 2s2 2p6 3s2
1s2 2s2 2p5
