Question

6.1 Draw the preliminary structures of the molecules of water, methane and ammonia where the atoms are held by covalent bonds.​

Answer 1

Explanation:

(3) identity relations

in a set of m number of elements.

28.33 and total number of observation is 50. Class interval: 5-15 15-25 25-35 35-45 45-55 Frequency 8 12 ? 9 6