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zheka24 [161]
3 years ago
8

George is writing an essay about the role of observation and inference in the development of the atomic theory. He wants to expl

ain why it was more difficult to observe the presence of neutrons in atoms. Which statements should he include in his essay? Choose the two statements that apply. A. While protons or electrons can be influenced by other charged particles, neutrons are not. B. It was difficult to observe that neutrons were different than protons because the two particles respond to charge in the same way. C. It was difficult to observe that neutrons were different than electrons because the two particles respond to charge in the same way. D. Neutrons are held tightly together with protons in the nucleus, so scientists could not observe the behavior of neutrons independently.
Chemistry
1 answer:
Katena32 [7]3 years ago
5 0

Answer:

hi I am sujal

please follow me dear friend

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Can you tell from the periodic table exactly how many neutrons are in an atom?
tiny-mole [99]

Answer: Yes

Explanation:

On the periodic table, you can find the element symbol, name, atomic number, and atomic mass. Just knowing the atomic mass and atomic number can give you the amount of neutrons. The atomic number states the amount of protons. The atomic mass is proton+neutron. Knowing this, you can subtract the atomic mass by the atomic number to get neutron.

Example: Carbon

Atomic number: 6

Atomic mass: 12.011 or 12

12-6=6                                                   [Atomic mass - Atomic number]

There are 6 neutrons in Carbon.

3 0
3 years ago
Josh drives her scooter 7 km north. she stops for lunch and then drives 5 km east. what distance does she cover? what was her di
weqwewe [10]

Explanation:

Find the motion diagram attached for the illustration:

Distance is the length of path traveled from the start to the finish. In measuring distance, we wall through the path from start to the finishing point. Distance is a scalar magnitude that has magnitude but no direction.

Displacement is distance that is taken between the start and finishing point. It is a vector quantity that has magnitude and measures direction.

To find the distance;

Distance = 5km + 7km = 12km

Displacement:

 Using pythagoras theorem;

   Displacement = √7² + 5² = 8.6km

 Direction:

    sin(bearing ) = \frac{5}{8.6}  = 0.5814

   bearing = arcSin 0.5814 = 035.6°

Displacement is 8.6km in a direction 035.6°

learn more:

Displacement brainly.com/question/6123316

#learnwithBrainly

6 0
3 years ago
Metal or Non-metal?
goldenfox [79]

Answer:

Fluorine:non-metal

Bromine:non-metal

Hydrogen:non-metal

Beryllium:metal

Nitrogen:non-metal

5 0
3 years ago
PLEASE HELP ME. REAL ANSWERS ONLY PLZ
eimsori [14]

Answer:

Please make it full I'm not seeing it

8 0
3 years ago
Why are alphabets in the order they are?
sineoko [7]
Its arbitrary. It was developed on the greek phoenetic system and never reallybwas explained.
4 0
3 years ago
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