According to Mendeleev's periodic law, the elements were arranged in the periodic table in the order of ________.
Increasing atomic masses
Based on this law, Mendeleev arranged the known elements in order of increasing atomic masses. Therefore, according to Mendeleev's periodic law, the elements were arranged in the periodic table in the order of increasing atomic masses.
The II group elements in the periodic table is known as
The correct order of decreasing electron gain enthalpy with negative sign for chalcogens is - Identify
Modern periodic table has:
‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?