The largest part of the human brain is the
Medulla Oblongata
Cerebellum
Cerebrum
None Of These
What is the main component of bones and teeth?
Calcium Carbonate
Calcium Phosphate
Calcium Sulphate
Calcium Nitrate
The main constituent of hemoglobin is
Chlorine
Iron
Calcium
The name halogen was given by
Berzelius
Dalton
Curie
Heiseinberg
Halogens are highly reactive
True
False
Halogens are mettalic
Unstable Halide
Fluorine
Iodine
Astatine
Which one of the following is solid at room temperature?
Bromine
Which one of the following is in liquid satae at room temperature?
Number of atoms in outer most shell for halogens?
4
7
6
2