Other words for property can be possessions or belongings.
Proton mass = 1.00728 amu
neutron mass = 1.0086 amu
electron mass = 0.000549 amu
so the mass is :
(7 * 1.00728) - (7 * 1.0086) - (7 * 0.000549) - 14.003074
= 0.11235 amu
Answer: when its in the air
Explanation:
please brainliest me
The answer is the last one (it needs a medium through which to travel) it is not true about radiation. A radiation is the emission of energy in the form of waves or particles through space or through a material medium. This includes; electromagnetic radiation, such as a radio wave, microwaves, visible light, x rays, and gamma radiation.