Answer:
is a substance which donates an H^+ or a proton
You should never touch the subscripts, as that will change the composition. Hope I helped!
Answer:
Substances 1 and 2
Explanation:
an element only has 1 kind of atoms :3
By definition a cylinder is a solid geometric figure with straight parallel sides and a circular or oval cross-section. A good example of a cylinder would be a soda can.
A frequency of 60 MHz is close to the lower end of the old VHF-TV band.
c = f λ ...... where c is the speed of light, f is the frequency and λ is the wavelength
λ = c / f = 3.00x10^8 m/s / 6.0x10^7 1/s
λ = 5.0 m