Question

Atoms of which two elements have a combined total of 34 protons

A. Lithium, Li, and Carbon, C
B. Calcium, Ca, and Silicon, Si
C. Argon, Ar, and Neon, Ne
D. Potassium, K, and Beryllium, Be

Answer 1

Option b

Explanation:

• Calcium has atomic no-20
• Hence it has 20 protons
• Silicon has atomic no 14
• Hence it has 14protons

Total:-

`\\ \sf\longmapsto 20+14=34`