Chemistry
The atomic species X and Y have different number of protons but the same number of nucleons. While atoms A and B have the same number of protons but different number of nucleons.
(a) Which of them are
(i) isotopes
(ii) isobars ?
(b) Give one example of each.
Related Questions
An element M burns in oxygen to form an ionic bond MO. Write the formula of the compounds formed if this element is made to combine with chlorine and sulphur separately.
State the type of bonding in the following molecules.
(a) water,
(b) calcium oxide,
(c) hydrogen chloride
Covalent bonds can be single, double or triple covalent bond.
(a) How many electrons are shared in each?
(b) Give an example of each type.
Taking MgCl2, as an example of electrovalent bond, CCl4 as a covalent bond. Give a difference between electrovalent and covalent bonds.