Question

Which statement beast describes an atomic orbital

a. it is a region covered by the moving electron

b. it is the region in space occupied by an electron at all times

c. it is the region in space occupied by an electron most of the time

d. it is the circular path taken by a moving electron at a definite distance from the nucleus



sodium chloride is an ionic compound that is generally known as table salt l, food seasoning and food preservation . Which of the following is an ionic compound property

a. They are mostly liquids and gases

b. They have low melting and boiling point

c. They are poor conductors of heat and electricity

d. They are hard and brittle crystal




D
C​

Answer 1

Answer:

a)-orbit. d) - that know as atomic size