b6reameshajessl b6reameshajessl

24-12-2015
Chemistry

contestada

In the late 1800s, experiments using cathode ray tubes led to the discovery of the
(1) electron (3) positron
(2) neutron (4) proton

Respuesta :

24-12-2015

J.J. Thomson discovered the negatively charge of electron so the answer is (1) electron :)))
i hope this be helpful
* merry Christmas *

Answer Link

26-12-2015

The answer is (1) electron, by J. J. Thomson.

Answer Link

Otras preguntas

a 0.784 g sample of magnesium is added to a 250 ml flask and dissolved in 150ml of water. magnesium hydroxide obtained from the reaction required 215.0 mL of 0.

What is the value of v? 45(v−7)=2 Enter your answer in the box.

Review the scenario: You are reading a math textbook and come across the word parallel. Which reference would be most helpful in understanding how this word re

Water on the kitchen floor at home is considered a safety hazard.

Write a hypothesis about how the height of the cylinder affects the temperature of the water. Use the "if . . . then . . . because . . .” format and be sure to

Please help me with question

Which function has an inverse that is also a function? a {(–1, 3), (0, 4), (1, 14), (5, 6), (7, 2)} b {(–1, 2), (0, 4), (1, 5), (5, 4), (7, 2)} c {(–1, –2), (0,

What was the behavior of most Georgians during the revolution

In _____, an animal bonds with the first object it sees after birth.

A 4.36 g sample of an unknown alkali metal hydroxide is dissolved in 100.0 ml of water. an acid-base indicator is added and the resulting solution is titrated w