The base of classification of elements in the Modern Periodic table is? / ਆਧੁਨਿਕ ਆਵਰਤੀ ਸਾਰਣੀ ਵਿੱਚ ਤੱਤਾਂ ਦੇ ਵਰਗੀਕਰਣ ਦਾ ਆਧਾਰ ਕੀ ਹੈ? / आधुनिक आवर्त सारणी में तत्वों के वर्गीकरण का आधार है? *
(1) Increasing order of atomic mass / ਪਰਮਾਣੂ ਪੁੰਜ ਦਾ ਵਧਦਾ ਕ੍ਰਮ / परमाणु द्रव्यमान का बढ़ता क्रम
(2) Increasing order of atomic number / ਪਰਮਾਣੂ ਅੰਕ ਦਾ ਵਧਦਾ ਕ੍ਰਮ / परमाणु क्रमांक का बढ़ता क्रम
(3) Decreasing order of atomic mass / ਪਰਮਾਣੂ ਪੁੰਜ ਦਾ ਘਟਦਾ ਕ੍ਰਮ / परमाणु द्रव्यमान का घटता क्रम
(4) Decreasing order of atomic number / ਪਰਮਾਣੂ ਅੰਕ ਦਾ ਘਟਦਾ ਕ੍ਰਮ / परमाणु क्रमांक का घटता क्रम
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21
Answer:
option 2
Explanation:
atomic number
The modern classification is based on the atomic number of the element. The periodic law state that the physical and chemical properties of the element are the periodic function of their atomic number. Therefore the variation in the properties of element is related with its electronic configuration.
Answered by
3
Explanation:
The modern classification is based on the atomic number of the element. The periodic law state that the physical and chemical properties of the element are the periodic function of their atomic number. Therefore the variation in the properties of element is related with its electronic configuration.
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