Match the element to the correct number of atoms. 3NaOH2)2
Column A
Column B
Na
a
12
2
b 6
3
Н

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.