Question

SCICLUL CUCCIUCUCURUCUS

Which of these four elements is the most reactive metal?
He
3
10
OLL
Be
Ne
Li
11
Na
13
1 14
12
Mg
20
15
8
18
Ar
Ar
31
K
Ga
38
53
Sr
1
56
55
Cs
Ba
49
54
in
Xe
81
84 85
85 86
Po At
113 114 115
117 118
Nh FL Mc Lv Ts Og
TI
87
88
Ra
116
Fr
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Answer 1

hi there!

the correct answer is atomic number 87, francium.

Step-by-step explanation:

elements become more reactive as you go from the top left starting with hydrogen down to the bottom right