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WorksheetsElectron Configuration
Total questions: 27
Worksheet time: 20mins
What is the electron configuration of calcium
20
2,8,8,2
2,8,10
What is the electron configuration of sodium
2,8,1
11
2.9
Which element has the electron configuration 2,5
oxygen
nitrogen
carbon
boron
Which element has an electron configuration of 2,8,8
lead
fluorine
neon
argon
What is the electron configuration of Aluminium
2,11
13
2,8,3
2,8,2
What is the electron configuration of chlorine
17
2,8,7
2,7
2,8,4
Which element has the electron configuration of 2.8.2
magnesium
sodium
sulfur
arsenic
What is the electron configuration of beryllium
4
2,4
6
2,2
Which element has the electron configuration of 2.7
neon
chlorine
fluorine
nitrogen
What subatomic particles would you find in the nucleus of an atom
protons and neutrons
protons and electrons
protons only
electrons and neutrons
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number
35
15
25
20
How many electrons can the first energy level hold
0
4
8
2
Rows on the period table are called _____ while columns are called _____
groups, families
periods, groups
groups, periods
families, groups
How many electrons can the 2nd shell hold
0
2
4
8
Which element has proton number 19
fluorine
argon
potassium
sodium
How many electrons does oxygen have on the second shell?
(a)
How many electrons does oxygen have on the third shell?
(a)
How many atoms in total does oxygen have?
(a)
An atom has 17 electrons in total. How many electrons does it have on the FIRST shell?
(a)
How many electrons in TOTAL does this atom have?
(a)
What's the electron configuration? Write your answer as a sequence of numbers separated by a comma.
(a)
What's the electron configuration? Write your answer as a sequence of numbers separated by a comma.
(a)
What's the electron configuration? Write your answer as a sequence of numbers separated by a comma.
(a)
What's the electron configuration? Write your answer as a sequence of numbers separated by a comma.
(a)
How many electrons does an atom of fluorine have on the SECOND shell?
(a)
How many electrons does an atom of silicon have on the LAST shell?
(a)
Electron configuration?
(a)
