Answer:
1.
80
Hg
Mercury
200.59
2.
27
Co
Cobalt
58.933
3.
4
Be
Beryllium
9.012
4.
74
W
Tungsten
183.84
5.
6
C
Carbon
(12.01 ; 12.012)
6.
47
Ag
Silver
107.8682
7.
82
Pb
Lead
207.2
8.
24
Cr
Chromium
51.996
9.
30
Zn
Zinc
65.38
10.
1
H
Hydrogen
(1.00794)
11.
20
Ca
Calcium
40.08
12.
11
Na
Sodium
22.99
13.
28
Ni
Nickel
58.693(4)
14.
(same answer as no. 1)
15.
12
Mg
Magnesium
24.305
16.
19
K
Potassium
39.10
17.
(same answer as no. 13)
18.
78
Pt
Platinum
195.084
19.
(same answer as no. 2)
20.
23
V
Vanadium
50.942
21.
25
Mn
Manganese
54.938
22.
83
Bi
Bismuth
208.980
23.
22
Ti
Titanium
47.867
24.
5
B
Boron
(10.81 ; 10.82)
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Answers & Comments
Answer:
1.
80
Hg
Mercury
200.59
2.
27
Co
Cobalt
58.933
3.
4
Be
Beryllium
9.012
4.
74
W
Tungsten
183.84
5.
6
C
Carbon
(12.01 ; 12.012)
6.
47
Ag
Silver
107.8682
7.
82
Pb
Lead
207.2
8.
24
Cr
Chromium
51.996
9.
30
Zn
Zinc
65.38
10.
1
H
Hydrogen
(1.00794)
11.
20
Ca
Calcium
40.08
12.
11
Na
Sodium
22.99
13.
28
Ni
Nickel
58.693(4)
14.
(same answer as no. 1)
15.
12
Mg
Magnesium
24.305
16.
19
K
Potassium
39.10
17.
(same answer as no. 13)
18.
78
Pt
Platinum
195.084
19.
(same answer as no. 2)
20.
23
V
Vanadium
50.942
21.
25
Mn
Manganese
54.938
22.
83
Bi
Bismuth
208.980
23.
22
Ti
Titanium
47.867
24.
5
B
Boron
(10.81 ; 10.82)