3 years ago

A period of the periodic table ends when the highest energy level of an elements atoms has __ electrons

1 answer:

8 0

This is dependent on how many shells/layers/energy levels the element has. The first shell can only hold 2 electrons however every shell beyond that can hold 8 electrons

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Which of the following statements are true?

ale4655 [162]

Answer:

A) True. Voltmeters measure voltages

C) True. They are placed in parallel

E) True ammeters are used to measure current

Explanation:

The devices for voltage measurement are the voltmeter and ammeter

Voltmeters have very high intense resistance and are placed in parallel

The ammeters have very small resist and are placed in series

Based on this establishment, let's analyze the statements

A) True. Voltmeters measure voltages

B) False has high intense resistance

C) True. They are placed in parallel

D) False ammeters are placed in series

E) True ammeters are used to measure current

F) False ammeters have a low internal resistance

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3 years ago

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The Voyager 1 spacecraft, shown below, completed its space exploration mission in 1980 and has since been traveling away from Ea

aleksklad [387]

I think b hope this helps

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A spacecraft is separated into two parts by detonating the explosive bolts that hold them together. The masses of the parts are

nordsb [41]

Answer:

0.279 m/s

Explanation:

mass (m1) = 1150 kg

mass (m2) = 1900 kg

impulse (J) = 200 N.s

With what relative speed do the two parts separate because of the detonation?

since both parts separate, their relative speed = speed of m1 + speed of m2

speed of m1 = $\frac{J}{m}$ = $\frac{200}{1150}$ = 0.174 m/s

speed of m2 = $\frac{J}{m}$ = $\frac{200}{1900}$ = 0.105 m/s
relative speed = 0.174 + 0.105 = 0.279 m/s

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In Youngs double slit experiment the distance between the screen and the slits is 1.00 m. The slits separation is 0.050 mm and t

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Check attached photo

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Our entire ______ _____<br> is built in the backbone of metals.

Aliun [14]

Answer:

modern world

Explanation:

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