Just to avoid any confusion up front, you cannot plant a seed crystal in the ground and grow a lovely crystal tree. It’d make for great reading, but I’m afraid it’s quite unrealistic. A seed crystal is used to grow…
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Tantalum Symbol: Ta Atomic Number: 73 Atomic Mass: 180.9479 amu (atomic mass units) Melting Point: 2996.0 C (3269.15 K, 5424.8 F) Boiling Point: 5425.0 C (5698.15 K, 9797.0 F) Number of Protons: 73 Number of Electrons: 73 Number of Neutrons:…
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The night sky is full of wonders, from the moon and stars to distant planets and galaxies. Sadly, as the Earth’s air pollution continues to increase, it’s getting harder and harder to see these amazing sights. However, there are some…
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Mendelevium Symbol: Md Atomic Number: 101 Atomic Mass: approximately 258.0 amu (atomic mass units) Melting Point: 827°C (1100 K or 1521°F) Boiling Point: Unknown Number of Protons: 101 Number of Electrons: 101 Number of Neutrons: 157 Classification: Rare Earth Metal…
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Fluorine Symbol: F Atomic Number: 9 Atomic Mass: 18.998404 amu (atomic mass units) Melting Point: minus 219.62 C (53.530006 K, minus 363.31598 F) Boiling Point: minus 188.14 C (85.01 K, minus 306.652 F) Number of Protons: 9 Number of Electrons:…
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Silicon Symbol: Si Atomic Number: 14 Atomic Mass: 28.0855 amu (atomic mass units) Melting Point: 1410.0 C (1683.15 K, 2570.0 F) Boiling Point: 2355.0 C (2628.15 K, 4271.0 F) Number of Protons/Electrons: 14 Number of Neutrons: 14 Classification: Metalloid Crystal…
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Bromine Symbol: Br Atomic Number: 35 Atomic Mass: 79.904 amu (atomic mass units) Melting Point: minus 7.2°C (265.95 K, 19.04°F) Boiling Point: 58.78°C (331.93 K, 137.804°F) Number of Protons: 35 Number of Electrons: 35 Number of Neutrons: 45 Classification: Halogen…
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Symbol: Sc Atomic Number: 21 Atomic Mass: 44.95591 amu (atomic mass units) Melting Point: 1539.0 C (1812.15 K, 2802.2 F) Boiling Point: 2832.0 C (3105.15 K, 5129.6 F) Number of Protons: 21 Number of Electrons: 21 Number of Neutrons: 24…
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Atoms with the same number of protons but different number of neutrons are called isotopes. Each element found in nature is a mixture of isotopes. The most common atomic mass for carbon is twelve: six protons and six neutrons. Carbon-thirteen…
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Though we credit Dalton with the invention of the atomic theory, he was not the one who formulated the three principles stated in the theory. The atomic theory has three main ideas. They are as follows. 1. All matter is…
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