Chemistryeasy · Past Paper
What is the valency of Oxygen?
A1
B2
C3
D4
✓ Correct Answer: B — 2
Oxygen needs two electrons to complete its octet, giving it a valency of 2.
Share this question
More from Chemistry
- What is the mass of one mole of Carbon-12?
- Which of these is a saturated hydrocarbon?
- What is the formal charge of the carbon atom in the carbonate ion (CO3^2-)?
- The number of neutrons in the nucleus of an atom with atomic number 'Z' and mass number 'A' is:
- Which gas is released when baking soda reacts with vinegar?