A)Mr.Greenjeans needs a control group for comparison.
hope this helps
<h2>Greetings</h2>
Fr+ and P3-
This is because the Fr atom has a negative charge and P3 atom has a negative charge, these two atoms have an electrostatic force of attraction because they both need full outer shell of electrons to be a stable atom.
<h2>Hope this helps!</h2>
Answer: C I think tell me if its wrong
Explanation:
A balanced chemical equation for this reaction :
FeS(s)+2HCl(aq)→FeCl2(aq)+ H2S(g)
<h3>Further explanation</h3>
Given
Word equation
Required
Balanced equation
Solution
The chemical equation can be expressed in terms of:
- word equation
- skeleton equation
- balanced equation
Skeleton equation
FeS(s)+ HCl(aq) --> FeCl2 (aq) + H2S (g)
Balanced equation
FeS(s)+2HCl(aq)→FeCl2(aq)+ H2S(g)