1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Gnoma [55]
3 years ago
7

What did Robert Millikan discover

Chemistry
2 answers:
Gelneren [198K]3 years ago
7 0

Millikan discovered the charge of an electron for which he received the Noble Prize. He designed the Oil Drop experiment. He found that charge is quantized.

Millikan repeated the experiment with varying strength of xrays and found the charge on the oil drop to be a multiple of -1.6 x 10-19 C. He concluded that the smallest unit of charge is -1.6 x 10-19 C , which is the charge of one electron.

butalik [34]3 years ago
6 0
Starting in 1908, while a professor at the University of Chicago, Millikan worked on an oil-drop experiment in which he measured the charge on a single electron. J. J. Thomson had already discovered the charge-to-mass ratio of the electron.
You might be interested in
As you move from left to right across a period, what happens to the atomic radil?
egoroff_w [7]

Answer:

Moving Across a Period

Moving from left to right across a period, the atomic radius decreases. The nucleus of the atom gains protons moving from left to right, increasing the positive charge of the nucleus and increasing the attractive force of the nucleus upon the electrons

4 0
4 years ago
A large piece of iron was reacted with an acid. What would happen to the rate of the reaction had the large piece been finely di
MAXImum [283]

Answer:

D: It will increase because smaller particles provide more surface area to react.

Explanation:

When the large iron is broken up into smaller pieces, there are more places for the iron to react (meaning there's more surface area). Think of it like taking the surface area of a big cube compared to the surface area of a bunch of small cubes. The sum of the surface areas of the small cubes will be greater than that of the large cube. As a result, more places for the iron to react will cause for a greater reaction.

4 0
3 years ago
The smallest unit of a compound is called a ___________.
Oxana [17]
<span>The smallest unit of a compound is called a molecule. The correct option among all the options that are given in the question is the second option or the penultimate option or option "B". The other choices are incorrrect and can be negated. I hope that this is the answer that has actually come to your desired help.</span>
5 0
3 years ago
During a hurricane, what effect can the ocean have on the beach?
Katen [24]
C is the answer I’m pretty sure
4 0
3 years ago
Which statement best describes the behavior of most soilds?
lidiya [134]
B is correct. Molecules move faster when they are hotter because they have more energy. You can notice this change with your naked eye. Molecules in solids don't move. They have barely any energy. Hope this helps! ;)
6 0
3 years ago
Read 2 more answers
Other questions:
  • do you agree or disagree with the following statement: laws are more important than theories because were never really sure is t
    13·1 answer
  • Drinking in moderation or not drinking at all will typically lead to?
    8·1 answer
  • What is radium used for
    15·1 answer
  • Of the molecules sicl4 and sii4, which has bonds that are more polar?
    14·1 answer
  • _Ba3Na2+<br> H2O +<br> Ba(OH)2 +<br> NH3<br> Balance this equation
    15·1 answer
  • A 6.00 g sample of calcium sulfide is found to contain 3.33 g of calcium. what is the percent by mass of sulfur in the compound?
    9·1 answer
  • What is this number in standard notation, 8.2x10^2
    11·1 answer
  • Describe how wave frequency changes across the electromagnetic spectrum, from radio waves to gamma rays
    8·1 answer
  • If a,b,c are in AP &amp; x, y, z are in GP, prove that: x^(b-c).y^(c-a).z^(a- b) = 1
    5·1 answer
  • 100 points! please help me will mark brainliest
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!