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Mariulka [41]
3 years ago
10

What is the best use of an atomic model to explain the charge of the particles in Thomson’s beams?

Biology
2 answers:
ioda3 years ago
7 0
An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to remove.
RideAnS [48]3 years ago
6 0

Answer:

The atom is composed of negative particles (electrons) and positive particles (protons). The negative particles are relatively small and far from the positive particles, which are relatively large. As the negative particles moved away from the positive particles they created an electrically charged invisible beam.

Explanation:

Thomson used a Crookes ampoule, that is, closed glass tubes with one positive and one negative electrode containing gases at extremely low pressures. He subjected these gases to very high voltages, so it was possible to observe the emergence of emissions, which were called cathode rays. Then an external electric field was placed and finally it was found that the cathode ray beam was deflected, always going in the direction and direction of the positively charged plate. Therefore, these emissions had negative charges.

In this experiment, it was possible to realize that an atom is composed of negative particles (electrons) and positive particles (protons). The negative particles are relatively small and distant from the positive particles, which are relatively large. As the negative particles moved away from the positive particles, they created an invisible electrically charged beam. Also, because of the distance between the positive and negative particles, the negative particles are easily removed.

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Which of these is a primary producer : tadpole, water snail, mosquito larvae, dragonfly nymph?
Kitty [74]

i believe the answer is A.) Tadpole

8 0
3 years ago
An organ represents a higher level of structure than the tissue composing it and performs functions that the tissues cannot perf
Natalija [7]

Answer: This is an example of organizational heirarchy.

Explanation: These biological structures are designed in a way that the whole system consist of different parts serving its own unique purpose, making up a full functional system. It goes from; atoms, molecules,cells, tissues and organs which makes up a system. Digestive system for example is composed of atoms, molecules,cells, tissues and organs that helps to digest amd convert food into energy(ATP).

4 0
3 years ago
Identify some beverages that are mixtures. Classify them as solutions, suspensions, or neither. Explain your classifications.
Minchanka [31]

Answer:

See explanation.

Explanation:

Hello.

In this case we can for instance take into account the following mixtures:

- Orange juice.

- Tea.

- A soda.

- Salty water

- Coffee.

Thus, since the orange juice is a suspension as long as it contains different sizes of orange pulp particles that cannot be dissolved mostly because of its organic nature.

Tea can be a solution when we place a tea bag in a cup with warm water since just soluble components of tea are successfully dissolved in the water. Moreover, homemade tea based on some plants are fruits may behave as a suspension due to the oraginic particles that are not dissolved in the water yet suspended.

A soda is a solution of some water-soluble compounds, gaseous soluble carbon dioxide and water which are homogeneously distributed in the solution.

Salty water can be a solution if you put some salt in warm or just cold water and wait until it dissolves completely.

Coffee can be also a solution or suspension depending on how it is made, which type of coffee is used and the amount of coffee added to the hot water.

Best regards.

5 0
3 years ago
(Click the picture)
agasfer [191]
I think your right thats what i think it is two

8 0
3 years ago
Which enzymes are needed to produce recombinant plasmids to be used in gene transfer?
irina [24]
The answer is D. For producing recombinant, first you need to cut the insert part and vector part to get the same end by using restriction enzyme. Then using DNA ligase to bind these two parts to get a new plasmids.
4 0
3 years ago
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