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Mrrafil [7]
3 years ago
11

An atom has 5 neutrons,2electrons and 4 protons what type of atom is it

Chemistry
1 answer:
satela [25.4K]3 years ago
8 0

Answer:

Cation

Explanation:

Since the protons are greater than electrons, this means the atom has a net positive charge on it and is now called a cation.

As there are 4 protons, this means that the outermost shell has 2 valence electrons 2s1, 2s2 and this is Group 2 element. Looking at Periodic table, we find that this is beryllium 4Be5 and is denoted as Be^2+

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Flourine is more reactive than chlorine​
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Justification for your answer

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Chlorine is less reactive than fluorine because the outer electrons in a chlorine atom are further from the nucleus than the outer electrons in a fluorine atom. It is harder for a chlorine atom to gain an electron than it is for a fluorine atom.

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