I dentify this element by its symbol and name

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asked Jun 11, 2020 42.1k views

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Verri · Answer 1 · 2020-06-16T14:06:42+0000

Answer:

See the answer and explanation below, please.

Step-by-step explanation:

It corresponds to the element Helium, whose symbol is He. This element has an atomic number 2 (number of electrons = number of protons) and mass number 4 (sum of neutrons and protons).

I dentify this element by its symbol and name

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