ਆਧੁਨਿਕ ਆਵਰਤੀ ਸਾਰਨੀ ਵਿਚ ਪਹਿਲੇ ਦਸ ਤੱਤਾਂ ਵਿੱਚ ਕਿਹੜੀਆਂ ਧਾਤਾਂ ਹਨ ?In the modern periodic table which are the metals among the first ten elements ? आधुनिक आवर्त सारणी के पहले दस तत्वों में कौन-सी धातुएँ हैं? *
Na ਅਤੇ Mg / Na and Mg / Na और Mg
Zn ਅਤੇ Cu / Zn and Cu / Zn और Cu
Li ਅਤੇ Be / Li and Be / Li और Be
K ਅਤੇ Ca /K and Ca / K और Ca
Answers
Answered by
5
Answer:
1. Li and Be.
2. Atomic number of Lithium (Li) is 3 and Beryllium (Be) is 4.
3. They are part of the first 10 elements (from atomic number 1-10)
4. As they are metals, option c is the answer
Answered by
2
Answer:
a is the right answer.....
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