Answer:
uhhh im not a boy ima just answer this for points
Explanation:
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Copper has 29 protons, when dealing with Cu^2+ all that means is it lost two electrons. so now the element has 29 protons and 27 electrons. Protons are positive and electrons are negative and neutrons are neutral. So say you had an element X^2- then you have gained two more electrons so the element has an overall negative charge. hope that helps
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Answer: Protons
The atom in a sample of an element must contain nuclei with the same number of protons. If the protons change in number, then the element will modify as well.
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D, <span>Monotonic gases, which have no inter molecular attractions are most suited as ideal gases </span><span />
Salt water is considered to be a solution
