It was a Cambridge UK scientist in the early part of the 20 th century who discovered the electron. His name was J J Thompson.
Answer:
Absolutely True :) cause we use it all the time
Answer:
<h2>The answer is 9 g/cm³</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 216 g
volume = 24 cm³
The density is

We have the final answer as
<h3>9 g/cm³</h3>
Hope this helps you
Johnny should have thrown away the unused chemicals because they still could have mixed with the other chemicals and it could cause a reaction.
Answer:
101010110101010101010101010101 ;)
Explanation: