colinzawada777 colinzawada777
  • 14-10-2019
  • Chemistry
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An atom has 5 neutrons,2electrons and 4 protons what type of atom is it

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shaheryarkhan331
shaheryarkhan331 shaheryarkhan331
  • 23-10-2019

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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