There are four routes to travel from city A to city B and six routes from city B to city C. How many routes are possible to travel from the city A to city C ?
(B) neon
Atomic number of carbon = 6
Electronic configuration of carbon = 2, 4
When carbon forms four covalent bonds by sharing its valence electrons with four univalent atoms (eg. Hydrogen), it...
The Poles experience about six months of day and six months of night because of the tilt of the Earth on its axis. Because of this tilt, each Pole is tilted...
(c) Y is blocked for storms. For floods X, 1 and 2 are blocked and Z is blocked, whenever 1 is blocked. So, for floods and storms, only unblocked road...