Yes
What?!No. And a square cannot become a rectangle either.
elements combine because no body noes :DBecause elements become ions then combine
That depends on its dimensions.
acceleration
It would be a rectangle. The lengths of the sides must be such that the length times the width equals 36: So it could be a square with sides 6; or A rectangle with sides 4 and 9; or A rectangle with sides 3 and 13; or A rectangle with sides 2 and 18; or A rectangle with sides 1 and 36; or A rectangle with sides ½ and 72, etc The rectangle can get as thin as you like and would become longer to accommodate the area.
A parallelogram is only a rectangle if it has 4 right angles. A square is a rectangle, but not vice versa because a square has all equal side lengths, four sides, AND four right angles. A rectangle has four right angles and 4 sides.
Atoms combine in order to become stable, which for most atoms means having 8 valence electrons.
Ionic bonds.
They share their electrons to become stable.
Chlorine can combine with anything in the first column (ie. hydrogen, lithium, etc.) and it will become stable. This is according to the Octet rule.
Nationalism
Generally the mixture become heterogeneous.