When an element gains an electron what does it become?
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Similarly, you may ask, when an atom gains an electron The resulting particle is called?
When an atom gains an electron, the resulting particle is called. an anion. The charges on electrons and neutrons cancel each other to give neutral atoms.
Subsequently, question is, what charge does an atom have when it gains an electron? Sometimes atoms gain or lose electrons. The atom then loses or gains a "negative" charge. These atoms are then called ions. Positive Ion - Occurs when an atom loses an electron (negative charge) it has more protons than electrons.
Similarly one may ask, what elements gain 2 electrons when they react?
Group 2 atoms lose two electrons to form positively charged ions. For example, magnesium atoms form Mg2+ ions. These have the same electron configuration as the noble gas neon. Most elements in Group 3 lose three electrons to form 3+ ions.
How many electrons are in BR −?
35 electrons