Answer:
helium family or neon family
Explanation:
you can use p
Answer:
not 100% but i think its 1.57x10^20
Explanation:
5.25x10^-4g / 2.016g
2.60x10^-4 x 6.022x10^23= 1.56x10^20 molecules
I think its A.
if one force cannot overcome the other, the object remains stationary.
ANSWER:
A proton has a "positive charge" and is found in the nucleus.
goodluck!!
support me by marking as brainliest!! :)
A machine called a barometer is what is used to measure atmospheric pressure :D