A student saw the following nuclear symbol for an unknown element: 2x Which of the following statements about X and X-9 are

Question

A student saw the following nuclear symbol for an unknown element:
2x
Which of the following statements about X and X-9 are true?
(Select all that apply.)
Ox2+ has 6 electrons.
OX is beryllium.
X has 9 neutrons in its nucleus.
X-9 has a neutron/proton ratio of about 1.3.
X is fluorine.

Kunduz · Accepted Answer

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