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WorksheetsElectron Arrangement
Total questions: 30
Worksheet time: 33mins
How many electrons can the first energy level (first shell) hold?
1
2
8
0
What is the maximum number of electrons in the second energy level (second shell) ?
18
8
32
2
What is electron configuration (electron arrangement) ?
the arrangement of protons in an atom.
the arrangement of electrons in an atom.
Identify the element with the electron arrangement 2,8,2
Neon
Sodium
Magnesium
Aluminium
Identify the element with the electron arrangement 2,8,8
Neon
Argon
Helium
Chlorine
Element X has 7 valence electrons. Which group is it in?
1
2
7
8
X atom has 12 protons. what is the electron arrangement of atom X?
2.8
2.8.8
2.8.2
2.10
An atom has 10 protons in its nucleus. how many electrons does the atom have?
10
11
12
13
D atom have 12 protons. Which group and period does element D belong to in periodic table?
Group 12, Period 3
Group 2, Period 3
Group 12, Period 13
Group 2, Period 13
C atom has 17 protons. Which group and period does element C belong to in the periodic table?
Group 7, Period 3
Group 7, Period 13
Group 17, Period 3
Group 17, Period 13
what is the electron arrangement of atom N?
2.
2.8
2.5
2.8.8
an atom has the electron arrangement of 2.8.7. it also has 16 neutrons in its nucleus. what is the nucleon number of this atom?
17
16
33
32
the electron arrangement of O is 2.6. what is the proton number of O?
6
2
8
10
which electron arrangement that represents the element from Group 13 and Period 3?
2.8.13
2.8.8
2.8.3
2.13
Sodium-23 has 12 neutron in its nucleus. What is the electron arrangement of Na atom?
2.8.2
2.8.1
2.1
2.2
What is the electron arrangement of Ne
2,8
2,7
1,9
2,9
What is the electron arrangement of Cl
2,8,7
2,8,6
2,7
2,8,8
Which element will form a positive ion of charge 2+ ?
Lithium
Magnesium
Sodium
Oxygen
the electron arrangement of L3+ is 2.8. its nucleon number is 24. how many neutrons are there in the nucleus of L3+?
10
11
12
13
Write the electron arrangement for Ca element that Nucleon number is 40
If the element Z is located in Group 14 Period 2, what would be the real element Z in Periodic Table of Element? State the number of protons, electrons and neutrons of the element.
Which of the following is a Noble Gas?
Calcium
Chlorine
Krypton
