The following table gives the number of protons and neutrons in the nuclei of various atoms. which atom is the isotope of atom A? which atom has the same mass number as atom A? atom a - protons neutrons
32 39
atom b - protons neutrons
33 38
atom c - protons neutrons
38 50
atom d - protons neutrons
32 38

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.

може ли да зареждате повече информация, моля