Question

Bald
31
ON 39Vd
at
85
2
He
Helium
Hydrogen
Periodic Table (36 elements).
(mass number = no. of protons + no of neutrons.
ens.)
(no. of neutronse mass number - no. of protons)
н"
(Atomic number= no. of protons
no.of electrons
3
9
Li Be
3
N F
Lithium Berglun
Boron Carbon Nitrogen. Oxyge flourine Neon
Na
la ceremonine Silicon theo phong phuy homine con
19
25
K Ca Sc
N
Mr
Co
Ni u
Kr
Zn
Blassium Calcium Scandum Titanium Vandum Chromyn Manganese femme Cobalt Nickel Copper
Ga Ge As Se Br
Galium Germenin Arsenic Salenium Bromine Krypte
be
។ 1
8
10
Ne
13
15
1G
17
18
Mg
Sodium Magnestum
33
94
85
36
20
21
24
22
29
26
28
28
29
31
30
Fe Iron
zinc
lements.
Atomic number
Mass number
Electronic
Configuration
ho
no ofron
Group Period
electrons
of
Protor
drogacht)
3
1
um
2
4
2 e
2
2
(He)​

Answer 1

Answer:

*sorry*

but can you write the question properly I didn't under stand