The element is silicon (Si). It forms minerals like quartz and rocks such as granite.
The concentration is 5 g/L.
Concentration = mass/volume = 10 g/2 L = 5 g/L
A set of attainable values for some physical quantity such as energy or wavelength
Explanation:
option option B is the correct answer of given statement helium-4(He)=2
Wym kingdom? I dont get it
