railway RRB JE (CBT I + CBT II) Mock Test 2024 Chemistry General Principles And Process of Isolation of Elements Metals and Its Ores
Which of the following statement is NOT correct regarding the alkali metals?
1
All the alkali metals are silvery white, soft and light metals.
2
The ionization enthalpies of the alkali metals are considerably low and decrease down the group from.
3
Group 1 metals are known as alkali metals.
4
All the alkali metals have two valence electrons.