The metric unit of force is the
a. nanometer.
b. gram.
c. newton.
d. kilogram.

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

→

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

може ли да зареждате повече информация, моля

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest