Chemistry, 24.12.2019 08:31 allyssaharrisooy50au

Einstein’s theory of relativity was built on the research and ideas of other scientists. the theory of relativity proposes that the speed of light is a constant. which of the following statements explains why this is considered to be a scientific theory?

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Answer from: madisynivy6

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Theory of relativity.

In the year 1905 a famous mathematician and physicist named Albert Eisenstein gave a theory which shows relation between time and motion.

yes i am talking about special theory of relativity.

actually theory of relativity is divided in two parts

1. special theory of relativity

and

2. general theory of relativity.

✔special theory of relativity is based on the time and motion.

there are two frame of references.

1. inertial frame of reference

and

2. inertial frame of reference.

in inertial frame of reference we talk about when body is moving with constant velocity.

and

in non inertial frame of reference we talk about unconstant velocity.

in the special theory it is used that the time and motion are relative.

and there is a postulate that

✳ Nothing can travel faster than the speed of light that is.

299692458m/s and universe is limited at this speed so if a object moves near the speed of light then the time slows down for that object in order to maintain that speed.

Now

Theory of general relativity.

✔ after giving special relativity Einstein was not satisfied and wanted to know about how gravitational force can affect time.

so he gave general theory of relativity.

in this we talk about the gravitational force.

space time curvature

fabric of cosmos and many more thing

in this Einstein showed that how gravitational force affect the time and also showed that the planets revolve around the sun because of the curve in space time

Answer from: Quest

the answer is learned

Answer from: Quest

explanation:

metals have excess of electrons whereas non-metals have deficiency of electrons. thus, in order to gain stability metals easily donate their electrons to the non-metals.

for example, electronic configuration of sodium is $1s^{2}2s^{2}2p^{6}3s^{1}$ and electronic configuration of phosphorous is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}$ .

when a phosphorous atom and sodium atom combine together then sodium will donate is extra one electron to the phosphorous atom. as a result there will be formation of ionic bond between sodium and phosphorous.

the reaction will be as follows.

$3na + p \rightarrow na_{3}p$

there, are three sodium sodium atoms and each of them will donate its one extra electron to phosphorous atom. thus, the sub-shell of phosphorous gets completely filled.

thus, we can conclude that electrons are transferred from atoms of sodium to atoms of phosphorous. this transfer makes the sodium atoms donate one electron and the phosphorous atoms to gain one electron. as a result, the sodium and phosphorus atoms strongly attract each other.

Electrons are transferred from atoms of to atoms of this transfer makes the sodium atoms and the

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Einstein’s theory of relativity was built on the research and ideas of other scientists. the theory...

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