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 of chlorine has 7 valence electrons. What is its most likely valency?
Context: An atom has the electronic configuration 2, 8, 8, 1. What is its valency?
Context: An atom of phosphorus has the electronic configuration 2, 8, 5. What is its valency?
Context: An atom of sulfur has 6 valence electrons. What is its most likely valency?
Describe how the valency of an element is related to its ability to form chemical bonds.
Context: An atom has the electronic configuration 2, 8, 8, 1. What is its valency?
Context: An atom of phosphorus has the electronic configuration 2, 8, 5. What is its valency?
Context: An atom of sulfur has 6 valence electrons. What is its most likely valency?
The valency of an element is determined by: (1) The number of protons (2) The number of neutrons (3) The number of electrons in the outermost shell (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 3 valence electrons? (1) Lithium (2) Boron (3) Nitrogen (4) Oxygen
Which of the following elements has a valency of 0? (1) Neon (2) Sodium (3) Sulfur (4) Aluminum
Fill in the blank: An atom of sodium (Na) has ______ valence electron(s).
Fill in the blank: The element with atomic number 17 has ______ valence electrons.
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 an atom of fluorine is _______.
True or False: All elements in Group 1 of the periodic table have the same number of valence electrons.
True or False: The number of valence electrons increases as you move from left to right across a period in the periodic table.
True or False: The valency of carbon is 4.
True or False: The valency of hydrogen is 2.
