Answer:
alkali metals
Explanation:
they all react vigorously or even explosively with cold water, resulting in the displacement of hydrogen.
I have attached pictures below. Maybe those will help?
Answer D
Have a nice Day , I would appreciate it if you could mark my answer brainliest
if 1 teacher cant teach all subjects how come 1 student can learn all subjects ?
four atoms of oxygen
two atoms of hydrogen
one sulphur atom
im not sure sry