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Author Question: How many valence electrons do the halogens possess? A) 5 B) 6 C) 2 D) 1 E) ... (Read 34 times)

rosent76

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on: Aug 27, 2018
How many valence electrons do the halogens possess?
 
  A) 5
  B) 6
  C) 2
  D) 1
  E) 7

Question 2

Describe an atom and what it is made up of according to modern atomic theory.
 
  What will be an ideal response?


mistyjohnson

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Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

An atom is made up of a nucleus surrounded by electrons. The nucleus contains protons (positively charged particles) and neutrons (neutral particles) and is where most of the mass of an atom comes from, but is a tiny fraction of an atom's volume. The nucleus is surrounded by negatively charged electrons, the same number as there are protons in the nucleus. An atom is therefore neutral overall.


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