Answer:
beakers and flasks
Explanation:
its better to use accurate measuring instruments for measuring volume
The element is silicon (Si). It forms minerals like quartz and rocks such as granite.
activation energy start off chemical reaction
Answer:
Explanation:
The electron in the lowest energy state will be found in 1 s energy level.
set of 4 possible quantum numbers
Principal quantum no : n = 1 ,
Azimuthal quantum no l = 0
Magnetic quantum no m = 0
Spin quantum no s = + 1/2
set of other quantum nos
Principal quantum no : n = 1 ,
Azimuthal quantum no l = 0
Magnetic quantum no m = 0
Spin quantum no s = - 1/2