The elements in<span> groups 1a through 7a are called d. representative elements. The periodic table is organized according to increasing order of the atomic number of the elements. Groups have similar properties while the period of the elements determines the valence electrons in the outer shells.</span>
Density(D) is defined as Mass(M) divided by Volume(V).
The formula for Density is:
D = M / V.
Another way to remember the formula for Density is to remember "Mass per unit of volume".
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I have no clue this qestion is kinda stumping but it a really good question it got me thinking but i don't know if there is a right answer
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I don't know
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Elements in which the d-sublevel is being filled have the properties of metals
