Question

2.1 Dobereiner's Triads
uno Can you tell? Identify Dobereiner's triads from the following groups of
elements having similar chemical properties.
FTS 1. Mg (24.3), Ca (40.1), Sr (87.6) 2. S (32.1), Se (79.0), Te (127.6)
3. Be (9.0), Mg (24.3), Ca (40.1)​

Answer 1

Answer:

Explanation:

Calcium, magnesium aneberyllium

Answer 2

Answer:option 1 is correct

Explanation:

Mg and Ca and Sr