This topic contains a solution. Click here to go to the answer

Author Question: Which is smallest, an atom, a nucleus, a proton, or an electron? a. atom b. electron c. nucleus ... (Read 139 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mjbamaung

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

b

Answer to Question 2

b




clmills979

  • Member
  • Posts: 551
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

For a complete list of videos, visit our video library