15 Select the correct boxes.
Which two elements have the same number of valence electrons?
Element
Atomic Number
barium
56
neon
10
silicon
14
carbon
6
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barium and silicon has same valence electrons

Explanation:

barium-2,8,18,18,8,2

neon-2,8

silicon-2,8,2,2

carbon-2,4

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.