Valency and Valence Electrons
Chemistry ⇒ Atomic Structure and the Periodic Table
Valency and Valence Electrons starts at 8 and continues till grade 12.
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An atom has 6 valence electrons. What is its valency?
An atom of phosphorus has 5 valence electrons. What is its valency?
An atom of sulfur has the electronic configuration 2,8,6. What is its valency?
Describe how the octet rule relates to valency.
An atom has 6 valence electrons. What is its valency?
An atom of phosphorus has 5 valence electrons. What is its valency?
An atom of sulfur has the electronic configuration 2,8,6. What is its valency?
Fill in the blank: The electronic configuration of an atom is 2,8,7. The element is ______.
If an atom has 2 valence electrons, what type of ion will it most likely form? (1) +1 ion (2) +2 ion (3) -1 ion (4) -2 ion
The valency of an element is determined by: (1) The number of protons (2) The number of neutrons (3) The number of valence electrons (4) The atomic mass
Which group in the periodic table contains elements with 5 valence electrons? (1) Group 2 (2) Group 13 (3) Group 15 (4) Group 18
Which of the following elements has 4 valence electrons? (1) Carbon (2) Nitrogen (3) Oxygen (4) Sodium
Fill in the blank: Sodium has ______ valence electron(s).
Fill in the blank: The electronic configuration of an atom is 2,8,7. The element is ______.
Fill in the blank: The maximum number of valence electrons an atom can have is ______.
Fill in the blank: The number of valence electrons in a chlorine atom is ______.
True or False: All elements in Group 1 of the periodic table have one valence electron.
True or False: Elements in the same group of the periodic table have the same number of valence electrons.
True or False: Elements with the same number of valence electrons have similar chemical properties.
True or False: The number of valence electrons in an atom determines its chemical properties.
