Answer:
i have to answer this for points :)
Explanation:
sorry
Isotopes are basically, different types of the same atom. Isotopes are atoms that have different neutron numbers but the same proton numbers.
E- is a negative electron
when sodium metal is dropped in water, hydrogen gas in liberated due to extreme heat released as the reaction is exothermic, gas catches fire.
Yes it’s adokngd the formula one