Chemistry, 03.04.2020 19:27 dylan102247
The number of protons, called the atomic number is shown , but the mass number is missing from the symbol above If the element has 16 neutrons what is the missing mass number ?
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Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star
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The number of protons, called the atomic number is shown , but the mass number is missing from the s...
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