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stellarik [79]
3 years ago
8

During the period from about 1800 to about 1865, the atomic weights of many elements were accurately measured. Why was this impo

rtant to Mendeleev's formulation of the periodic table?
Chemistry
1 answer:
tatiyna3 years ago
4 0
I believe Mendeleev formed his periodic table by atomic weight (nowadays we do it by atomic number) so he likely used those values.
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The atomic theory proposed by dalton has been
Sidana [21]

What did Dalton's atomic theory contribute to science?

Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.

3 0
3 years ago
Can anyone tell me whether N2 bonds or Cl2 bonds are stronger? Thanks!
Nadusha1986 [10]

Answer:

Cl2 bonds are stronger!!!!!

6 0
2 years ago
Tips for memorizing the first 20 elements of the periodic table?​
Anna [14]

Answer:

hydrant flying with balloon, balloon has lithp letting air out, bee: really yum balloon

    =                           =                                 =                                   =

hydrogen              helium                     lithium                     beryllium

be bore on the balloon, balloon pops, hydrant drops and makes a car bomb

           =                                                                                                  =

    boron                                                                                              carbon

night row general gets hurt by car bomb nearby, that general gets off boat

        =                                

nitrogen

wearing oxygen mask, mask is full of fluride gel, then he got neon teeth

             =                                               =                                      =

         oxygen                                fluorine                                neon

(try making a story out of the elements, use your imagenation)

7 0
3 years ago
Read 2 more answers
which of these solutions has the lowest freezing point? 0.25 m nacl 0.5 m nacl 1.0 m nacl 1.5 m nacl 2.0 m nacl
Alinara [238K]
The more particles (ions or molecules) that you can put into solution, the lower the freezing point. 

the answer is E. 2.0 M nacl
4 0
3 years ago
Read 2 more answers
1. Graph a wave with an
kiruha [24]

Answer:

y = 5cos(\frac{2\pi }{6} x)

Explanation:

You can put that equation into a program like desmos on your browser and take a screenshot or use windows snippet tool.

Equation of a Wave: y = Acos(((2*pi)/B)x)

or

y = Acos(\frac{2\pi }{B} x)

A = Amplitude

B= Wavelength

5 0
3 years ago
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