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Simora [160]
4 years ago
10

Which conclusion could be made from Ernest Rutherford’s gold foil experiment?

Chemistry
2 answers:
Tamiku [17]4 years ago
8 0
The nucleus while large has a small ratio of mass when dealing with atoms, they are very spread out and are mostly solid with a blocky shape.
Dmitriy789 [7]4 years ago
5 0

Answer:

The correct option is :Atoms are made up of mostly empty space.

Explanation:

Ernest Rutherford’s gold foil experiment has following observation:

  • Most of the alpha particles had easily escaped through the atom which accounts for that atom is mostly empty space.
  • Very less number of alpha particles were deflected from their path which indicated that positive charge is only concentrated in the center of the atom which termed as nucleus of an atom where positively charged i.e protons are located.
  • Whole the mass of an atom is concentrated in the nucleus of the atom.
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In a chemical equation, the products are<br> and the reactants are on the
slamgirl [31]
A chemical equation describes a chemical reaction. Reactants are starting materials and are written on the left-hand side of the equation. Products are the end-result of the reaction and are written on the right-hand side of the equation.
3 0
3 years ago
conclusions: how is the difference in the physical properties of the powdered mixture components being used to separate them in
Advocard [28]
  • Sedimentation and Decantation is the process of setting of solid particles from a liquid either to produce a concentrated slurry or to clarify a liquid containing solid particles . The solid must not be mixed with liquid. For example- sand insoluble in water
  • Sublimation -  In this process solid phase is directly transformed  into vapour form without passing through liquid phase.This method is used in the purification of those substances which have sublimation property. At first the mixture should be sublimed before dissolution in liquid.
  • EX- Iodine , naphthalene, ammonium chloride etc. Here, NH4Cl is seperated by sublimation.
  • Evaporation is a technique used to separate out homogeneous mixtures where there is one or more dissolved salts. The process convert  the liquid components from the solid components. The process typically involves heating the mixture until no more liquid remains.
  • so, now by evaporation of the liquid solvent we finally get the salt that was dissolved in it that is NaCl.

To know more about  Sedimentation   visit :brainly.com/question/22443465

#SPJ4

8 0
2 years ago
I NEED RIGHT NOW OR I GET AN F!!!!! HELP!!!!!
Oksi-84 [34.3K]

Answer:

boundary interactions: areas where plates move away from each other forming mid-ocean ridges or rift valleys.

divergent boundaries: this happens when 2 tectonic plates move away from each other. along these boundaries earthquakes and magma are common as they are rise from the mantle to the sruface making new oceanic crust.

convergent boundaries: this is an area on earth where 2 or more lithospheric plates collide. they will slide under one another creating a subduction.

transform boundaries:  transform boundary is a fault along a plate boundary where the motion is predominantly horizontal. It ends abruptly where it connects to another plate boundary, either another transform, a spreading ridge, or a subduction zone.

Explanation:

lithosperic means the solid outer part of the earth.

hope this helps and good luck!  :) <3

4 0
3 years ago
What happens when the vapor pressure of a liquid is equal to the external pressure? The liquid freezes The intermolecular forces
Makovka662 [10]

Answer:

The liquid boils.

Explanation:

Vapor pressure is simply defined as the pressure exerted on a substance (solid/liquid) by the vapor of the substance collected just at the top of the surface of the substance. In concise words, it is the pressure of Vapor that is in contact with its solid or liquid state.

For a liquid, it is the pressure of the Vapor gathering at the top of the surface of the liquid.

When this Vapor pressure matches the external pressure, the temperature stays constant and the molecules of the liquid all through the liquid can gain enough energy, rise to the surface of the liquid and break free in gaseous form; thereby, boiling.

The definition of boiling point basically explains that it is the point at which temperature stays constant, and the vapour pressure of the liquid matches the atmospheric/external pressure around the liquid and its liquid molecules change into vapor.

This is why liquids boil faster at higher altitudes; the atmospheric pressure at higher altitudes is reduced, hence, the temperature at which liquid boils at this high altitude is normally lower than its known boiling point temperature.

It is also why food cooks to a temperature higher than the boiling point of water in a pressure cooker/pot. The added pressure ensures that the cooking water boils at temperatures higher than its boiling point; thereby exposing the cooking ingredients to a higher temperature, leading to faster cooking.

Hence, it is obvious why boiling is the answer to this question.

6 0
3 years ago
Which is TRUE of the reactants in this displacement reaction? Fe + 2HCl FeCl2 + H2
artcher [175]

A. The reactants are located to the left of the arrow in the chemical equation

4 0
4 years ago
Read 2 more answers
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