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Author Question: Which is smallest, an atom, a nucleus, a proton, or an electron? a. atom b. electron c. nucleus ... (Read 199 times)

clmills979

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on: Jul 28, 2018
Which is smallest, an atom, a nucleus, a proton, or an electron?
 a. atom
 b. electron
  c. nucleus
  d. proton

Question 2

In 1983 the standard meter was redefined to what it is currently. What was the previous definition from 1960 based on?
 a. specific alloy bar housed at Sevres, France
  b. wavelength of light emitted by certain krypton atoms
  c. distance from the Earth's equator to the North Pole
  d. the distance light travels in a certain fraction of a second


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mjbamaung

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

b

Answer to Question 2

b


clmills979

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  • Posts: 551
Reply 2 on: Jul 28, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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