Searching "electron configuration of chromium on google images will easily provide you with the answer.
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Explanation:
Calcium is all around us. The average human contains approximately 1kg of calcium, of which 99% is stored in our bones. It is the 5th most abundant element in the earth's crust, occurring widely as calcium carbonate which is more commonly known as limestone. It is also the fifth most abundant dissolved ion in seawater.
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Density is a physical property that is determined by dividing the mass of a given amount of a substance by its volume.
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Can I please have this for some reason all my answers got deleted (I had 28)
Now are gone so you don't have to give thanks just let me get out of the negative. (pls!!)
Planck suggested that light/energy was absorbed/released in certain amounts, called quanta.
