francescapontet
francescapontet francescapontet
  • 03-12-2020
  • Chemistry
contestada

Based on the diagram shown, how many electrons does this atom have?
a.six
b.three
c.nine
d.one

Based on the diagram shown how many electrons does this atom have asix bthree cnine done class=

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jalaynay27
jalaynay27 jalaynay27
  • 03-12-2020

Answer:

B. Three

Explanation:

The three dots that are surrounding the nucleus are electrons.

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TrickYwriTer TrickYwriTer
  • 29-12-2020

Explanation:

According to the diagram, the atom has 3 electrons.

Electronic configuration =

1s² 2s¹

  1. Element = Lithium
  2. Symbol = Li
  3. Period = 2
  4. Group = 1 (Alkali metal)
  5. valency = 1

Therefore,

Option B is correct✔

Answer Link

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