Electronic Configuration
Chemistry ⇒ Atomic Structure and the Periodic Table
Electronic Configuration starts at 8 and continues till grade 12.
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See sample questions for grade 9
Describe how the periodic table is related to the electronic configuration of elements.
Explain the term 'valence electrons' and their importance in chemical bonding.
Explain why elements in the same group of the periodic table have similar chemical properties.
Explain why noble gases are chemically unreactive based on their electronic configuration.
State the maximum number of electrons that can be accommodated in the third shell.
State the number of electrons in the M shell of a magnesium atom (atomic number 12).
State the number of electrons in the outermost shell of a neon atom.
A neutral atom of element Y has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2. What is the atomic number of element Y?
Which of the following elements has 7 electrons in its outermost shell?
(1) Nitrogen
(2) Fluorine
(3) Neon
(4) Oxygen
Which of the following elements has a completely filled outermost shell?
(1) Helium
(2) Sodium
(3) Fluorine
(4) Lithium
Which of the following elements has a single electron in its outermost shell?
(1) Sodium
(2) Magnesium
(3) Neon
(4) Oxygen
Which of the following elements has the electronic configuration 2,8,2?
(1) Magnesium
(2) Calcium
(3) Neon
(4) Silicon
Fill in the blank: The electronic configuration of beryllium (atomic number 4) is _______.
Fill in the blank: The electronic configuration of carbon (atomic number 6) is _______.
Fill in the blank: The electronic configuration of helium (atomic number 2) is _______.
Fill in the blank: The electronic configuration of lithium (atomic number 3) is _______.
True or False: The 2p subshell can hold a maximum of 6 electrons.
True or False: The 3d subshell is filled before the 4s subshell.
True or False: The electronic configuration of an atom determines its chemical properties.
True or False: The electronic configuration of boron (atomic number 5) is 2,3.
