Science, asked by nidhu7195, 9 months ago

Development of chemistry by periodic table

Answers

Answered by shubhamsiddhu50

1

Answer:

In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the discovery of other elements, and left spaces open in his periodic table for them. In 1886 French physicist Antoine Bequerel first discovered radioactivity.

Previous Question

Next Question

Similar questions

Math, 5 months ago

The interval in which the value of a should lie of the line 3x - 4y= 2 cuts the circle r2+ y2 - 4x-8y = 5 in real points is a) (15, 35) b) (35. 15) c) (-35, 15) d) (-15, 35) ...

Social Sciences, 5 months ago

Who is called as run machine ? Answer and follow me to get 5 points...

Science, 5 months ago

to explain or give meaning...

Math, 9 months ago

What are the coefficients to the following B 5 –m9 -7y 4x...

Chemistry, 9 months ago

35. Consider the equilibrium at 760 K PCL5 = PC13 + Cl2 4.0 moles of PCls are taken in a 2 litre flask and at equilibrium the flask is found to contain 0.80 mole of Cl2. What is the equilibrium constant ?

Environmental Sciences, 11 months ago

Changing your toilet can reduce water pollution because..

English, 11 months ago

what up what up what up how ya'll been today. hey i need your help figuring this out plz help a bro out. __________________________________________________ What is the main purpose of the rising action in a short story? A. to reveal the resolution of the conflict B. to build interest and suspense C. to describe the turning point of the story D. to give background information about the...

Math, 11 months ago

if the area of a circle is doubled then it's area will be increased by __________ times .