Question

Fill in the blank
a) An ion which has a positive charge is called a ________.
b) the outermost shell of an atom
is known as __________.
c) The _________very hard and dense.
d) Neutron are __________ particles having mass equal to that of protons.
e) ________ are emitted by radioactive element.
f) Isotopes are the atoms of ________ element having the same atomic number but a different mass number.


plz help me​

Answer 1

Answer:

a) cation

b) valence shell

d) neutral

f) same

sorry, I don't know c) and e).

Answer 2

Answer:

(a) Cation

(b)Valence shell

(c) Nucleus

(d) Neutral