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Author Question: About how big is an atom? a. too small to measure b. about a millionth of a meter across c. about ... (Read 56 times)

pepyto

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on: Jul 28, 2018
About how big is an atom?
 a. too small to measure
  b. about a millionth of a meter across
  c. about a billionth of a meter across
  d. about a trillionth of a meter across
  e. none of the above

Question 2

The particle that orbits the central core inside an atom is the
 a. electron
  b. proton
  c. neutron
  d. nucleus
  e. none of the above


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prumorgan

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Reply #1 on: Jul 28, 2018
Answer to Question 1

E
It's about a tenth of a billionth of a meter.

Answer to Question 2

A


pepyto

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Reply 2 on: Jul 28, 2018
Gracias!

dreamfighter72

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Reply 3 on: Yesterday
Excellent

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