Verified answer

Answer:

1.) krypton

(kr)

36(atomic number)

84(mass number)

36(protons)

36(electrons)

48(neutron)

2.) calcium

(ca)

20 (atomic number)

40(Mass number)

20 (protons)

20 (electrons)

20(neutron)

3.)silver

(Ag)

47 -atimic number

108- Mass number

47-protons

47- electrons

61- neutron

4.) helium

(He)

2(an)

4(mn)

2(p)

2(e)

2(n)

5.) lithium

(Li)

3(an)

7(mn)

3(p)

3(e)

4(n)

6.beryllium

(Be)

4(an)

9(mn)

4(p)

4(e)

5(n)

7.boron

(B)

5(an)

11(mn)

5(p)

5(e)

6(n)

8.zinc

(Zn)

30(an)

65(mn)

30(p)

30(e)

35(n)

9.bromine

(Br)

35(an)

80(mn)

35(p)

35(e)

45(n)

10.) aluminum

(Al)

13(an)

27(mn)

13(p)

13(e)

14(n)

hope it helps ☺️