Which of the first 20 elements in the periodic table has atoms with the greatest mass
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Explanation:
Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.
# Properties:: Calcium
Atomic number: 20
Atomic weight (Relative atomic mass): 40.078 (g/mol)
Density: 1.55 (g/cm³)
Melting point: 838.85 °C = 1541.93 °F = 1112.0 K
Boiling point: 1483.85 °C = 2702.93 °F = 1757.0 K
Period: 4
Group: IIA
Block: s - block
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Answer:
Calcium has the maximum mass in the first 20 elements
Explanation:
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