Answer:
can someone help me i dont know thw answer
Step-by-step explanation:
thanks if you help
Answer:
Option b
Step-by-step explanation:
- Calcium has atomic no-20
- Hence it has 20 protons
- Silicon has atomic no 14
- Hence it has 14protons
Total:-

Answer:
number 2 and 4
Step-by-step explanation:
Answer:
i justr f arted really loud LOL
Step-by-step explanation: