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amid [387]
3 years ago
14

NO VALEN VERGA NO DAN ANSWERS

Physics
1 answer:
Inga [223]3 years ago
3 0
Cierto cierto cierto cierto 
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In which of the following conditions would there be the most resistance?
Natasha2012 [34]

Answer:

A) A warm wire

Explanation:

A warm wire has the most resistance. Heating the metal wire causes atoms to vibrate more, which in turn makes it more difficult for the electrons to flow, increasing resistance. Heating the wire increases resistivity.

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The unit of power of a lens is.<br>(a) Metre<br>(b) Dyne<br>(c) Dioptre​
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c. dioptre that's the answer.

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In a simple series circuit, why does the bulb light up when you close the switch
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<span>closing the switch completes the circuit</span>
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4 years ago
ANSWER FAST FOR BRAINLIEST!
Ne4ueva [31]

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the last one

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When electrons are transferred from one atom to another, and the two atoms unite as a result of the opposite charges, a(n) _____
podryga [215]

Answer: ionic compound

Explanation:

An ionic compound is formed when one element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and forms a positively charged ion called as cation. The element which accepts the electrons is known as electronegative element and forms a negatively charged ion called as anion.

For formation of sodium chloride:

Electronic configuration of sodium:

[Na]=1s^22s^22p^63s^1

Sodium atom will loose one electron to gain noble gas configuration and form sodium cation with +1 charge.

[Na^+]=1s^22s^22p^63s^0

Electronic configuration of chlorine:

[Cl]=1s^22s^22p^63s^23p^5

Chlorine atom will gain one electron to gain noble gas configuration and form chloride ion with -1 charge.

[Cl^-]=1s^22s^22p^63s^23p^6

The cations and anions being oppositely charged attract each other through strong coloumbic forces and form an ionic compound.

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3 years ago
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