which of these elements is rarely found in organic molecules?\na. hydrogen\nb. oxygen\nc. barium\nd. carbon
which of these elements is rarely found in organic molecules?\na. hydrogen\nb. oxygen\nc. barium\nd. carbon
Answer
Answer:
C. barium
Explanation:
Step1: Recall organic molecule definition
Organic molecules mainly contain carbon - hydrogen bonds, and often have oxygen.
Step2: Analyze each option
Hydrogen (A) is common in organic molecules like hydrocarbons. Oxygen (B) is present in many organic compounds such as alcohols and carboxylic acids. Carbon (D) is the backbone of organic molecules. Barium (C) is a metal and rarely found in organic molecules.