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
MatroZZZ [7]
4 years ago
12

How did Thomson discover the electron?

Chemistry
1 answer:
Hoochie [10]4 years ago
4 0

J. J. Thomson discovered electron by performing an experiment using cathode ray tubes. High voltage across is applied across two electrodes at that  causes a beam of particles to flow from the the negatively-charged electrode that is  cathode to  the positively-charged electrode that is anode. Properties of the particles, are tested using two oppositely-charged electric plates around the cathode ray. The cathode ray was deflected away from the negatively-charged electric plate and towards the positively-charged plate. This indicated that the cathode ray was composed of negatively-charged particles. And these negatively charged particles are called electrons.


You might be interested in
What is the formula for weight ?
Oxana [17]

Answer:

W=F=mg or W=mg

Explanation:

6 0
3 years ago
Read 2 more answers
What is the relationship between the oxygen cycle and the carbon cycle
Ganezh [65]
Photosynthesis. Because the plants give off oxygen as a waste product. Carbon dioxide then moves from the air into the leaves of plants through tiny openings in the plants leaves.
5 0
4 years ago
Read 2 more answers
Which of the subshells below do not exist due to the constraints upon the angular momentum quantum number?A) 2dB) 2sC) 2pD) all
Gnom [1K]

Answer:

  • Option A): <em>Due to the constraints upton the angular momentum quantum number, the subshell </em><u><em>2d</em></u><em> does not exist.</em>

Explanation:

The <em>angular momentum quantum number</em>, identified with the letter l (lowercase L),  number is the second quantum number.

This number identifies the shape of the orbital or <em>kind of subshell</em>.

The possible values of the angular momentum quantum number, l, are constrained by the value of the principal quantum number n: l can take values from 0 to n - 1.

So, you can use this guide:

Principal quantum   Angular momentum         Shape of the orbital

number, n                 quantum number, l

         1                                      0                             s

         2                                     0, 1                          s, p

         3                                     0, 1, 2                      s, p, d

Hence,

  • <u>the subshell 2d (n = 2, l = 2) is not feasible</u>.

  • 2s (option B) is possible: n = 2, l = 0

  • 2p (option C) is possible: n = 2, l = 1

7 0
4 years ago
What is the biggest cause of change in Earth's systems?
Dima020 [189]

Answer:

heat

Explanation:

because it's the cause of change

5 0
3 years ago
Read 2 more answers
Which element has the electron configuration [Xe] 6s^2 4f^14 5d^10 6p^2?
Damm [24]

LEAD is the element that has this electron configuration

7 0
3 years ago
Read 2 more answers
Other questions:
  • How much thermal energy is in 100 grams of water at 50 degrees Celsius
    8·2 answers
  • Which of the following is a result of glycolysis? production of CO2 conversion of glucose to two, three-carbon compounds a net l
    8·1 answer
  • What particles move most rapidly?
    15·2 answers
  • which of the following is the name given to the pairs of valence electrons that do not participate in bonding in diatomic oxygen
    8·1 answer
  • Question 6 pls I need help this is due in 2 minutes!!..
    6·2 answers
  • A 2.912 g sample of a compounds containing only C, H, and O was completely oxidized in a reaction that yielded 3.123 g of water
    12·1 answer
  • Help quickly pleaaas
    8·1 answer
  • Why are some volcanic gases blown away and others are not ??
    8·2 answers
  • Fat and water in the sausage changed state
    11·1 answer
  • How does the speed of a sound wave change based on the density of the medium the wave passes through?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!