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Setler [38]
3 years ago
15

The discovery of the electron as a subatomic particle was a result of

Chemistry
1 answer:
swat323 years ago
6 0

Answer:

4)experiments with cathode ray tubes

Explanation:

when sufficiently high voltage is applied across the electrods, current starts flowing through a stream of particles moving in the tube the negative electrode (cathode) to the positive electrode (anode). These were called Cathode Rays or Cathode Ray Particles

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Chemistry
postnew [5]

There are 48.72 g  Fluorine ions

<h3>Further explanation </h3>

Proust stated the Comparative Law that compounds are formed from elements with the same Mass Comparison so that the compound has a fixed composition of elements

In the same compound, although from different sources and formed by different processes, it will still have the same composition/comparison

%F in CaF₂ :

\tt \%F=\dfrac{2.Ar~F}{MW~CaF_2}\times 100\%\\\\\%F=\dfrac{2.19}{78}\times 100\5=48.72\%

mass of Fluorine :

\tt 48.72\%\times 200=97.44~g

So mass Fluorine ions(2 ions F in CaF₂⇒Ca²⁺+2F⁻) :

\tt =\dfrac{97.44}{2}=48.72~g

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2 years ago
Como se escribe K2O ennomemclatura estequimetrica y stock​
Paladinen [302]
i speak english . gracias!
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3 years ago
What is required for an electron to move between energy levels?
Bingel [31]
It required a fixed finite amount these zones are known as energy levels
4 0
3 years ago
Read 2 more answers
As a pendulum swings from its highest to its lowest position along an arc, what happens to its kinetic energy and potential ener
lara31 [8.8K]

C.

Explanation:

As a pendulum swings from its highest to its lowest position along an arc, what happens to its kinetic energy and potential energy? The potential energy decreases while the kinetic energy increases.

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2 years ago
Why do you think learning about how atomic theory has evolved is important?
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I feel like it is important, because it is always nice to learn about new things and keep your mind open, to expand your knowledge.
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