Question

20 metals having atomic mass less than 50, its symbols, physical state

Answer 1

is it metal or mental??????

Answer 2

Heyaa,
There are only 9 metals with atomic mass less than 50.

● Metals with atomic mass less than 50
- Lithium - Li (Z=3, A=7) - Solid
- Beryllium - Be (Z=4, A=9) - Solid
- Sodium - Na (Z=11, A=23) - Solid
- Magnesium - Mg (Z=12, A=24) - Solid
- Aluminum - Al (Z=13, A=27) - Solid
- Potassium - K (Z=19, A=39) - Solid
- Calcium - Ca (Z=20, A=40) - Solid
- Scandium - Sc (Z=21, A=45) - Solid
- Titanium - Ti (Z=22, A=48) - Solid

Hope this helps you...