True becuase the substance changed into another substance which is a example of a chemical reaction.
The elements most likely to form more than one type of ion are thetransition metals
Answer:
Wavelength, 
Explanation:
We have,
Velocity of the object, 
Mass of the object, 
It is required to find the wavelength of the object. The relation between wavelength and velocity of the object is given by :

h is Planck's constant

So, the wavelength of the object is
.
Answer:
I think these are the answers:
Explanation:
created/rearranged
same/different
greater/less/same