B: 2
If it's right plz give brainliest lol <3
Answer:It has the lowest effective nuclear charge of the four new elements.
this is the answer of your question .
<em>Hope</em><em> </em><em>it</em><em> </em><em>helped </em><em>you</em>
NaHCO3 is the right answer
Stratosphere:) hope this helped