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What is the symbol for an atom that contains 4proton's 4electron's and 5neutron's?
Wiki User
∙ 11y ago
The number of protons determines the atomic number. Since there are for protons, the atomic number is four, and the element is beryllium, symbol Be. The Atomic Mass number is the number of protons plus neutrons, so in this case it is 9. There are an equal number of protons and neutrons, so there is not charge. The symbol looks like this:
94BeWiki User
∙ 11y ago
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An atom contains 55 protons and 78 neutrons. Which nuclide symbol is the correct symbol for the atom?
133/55 Cs
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An atom contains 55 protons and 78 neutrons. Which nuclide symbol is the correct symbol for the atom?
133/55 Cs
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