Write the formula for the polyatomic ion in NH4F

How are a sodium atom and a sodium ion alike?

Which two electromagnetic waves are useful for diagnosing illnesses? X-rays and radio waves microwaves and gamma rays gamma rays and X-rays radio waves and ultraviolet waves

Show how the total charge sodium oxide is zero

What type of elements form covalent bonds?

Elements in group 1A all: a. gain 1 electron b. lose 1 electron c. are non-metals d. have 2 energy levels

A water wave travels 36 meters in 15 seconds. whatvis the speed of water?

Which type of wave cannot move without a medium in which to travel? Heat waves Light waves Sound waves Transverse waves

Which describes the burning of fossil

The flow of energy in an ecosystem is the best described as energy moving in

Which bond other than the c-c bond is the least polar in the molecule?