2. define the words:
unbalanced -
balanced -
buoyant -
inertia -

unbalanced- Forces that are not equal.

Example- When we place a box on the seesaw it gets unbalanced.

Balanced- equal distribution of weight, amount, etc.

Example- When two people are pushing a box on two different  ends and they push with the same forces.

Buoyant-an upward force exerted by a fluid that opposes the weight of an immersed object.

Example-when a boat floats in water.

Inertia-The resistance of a body to changes in its momentum.

Example- passenger's body slightly moving backwards when a vehicle suddenly starts

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.