Advertisements
Advertisements
Question
How many atoms of each kind are present in the following molecule:
water
Solution
Water (H2O) has two atoms of hydrogen and one atom of oxygen. The oxygen atom has six valence electrons. So it requires two electrons to form an octet structure.
RELATED QUESTIONS
State differences between the properties of ionic compounds and covalent compounds.
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms a cation?
Define the term:
orbit
Name the following:
Metal with valency 2
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
State the type of bond between Y and Z and give its molecular formula.
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Explain Octet rule with an example.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.