Out of the chemical elements, the second-best candidate for enabling biological life-forms is
A) oxygen.
B) helium.
C) hydrogen.
D) silicon.
E) phosphorus.

Question

Quizplus · Accepted Answer

Silicon is considered the second-best candidate for enabling biological life-forms because it shares similar chemical properties with carbon, such as the ability to form four covalent bonds, which is crucial for building complex molecules.

Out of the Chemical Elements, the Second-Best Candidate for Enabling