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3 years ago

Within a period of the periodic table, how do the properties of the elements vary?

Physics

1 answer:

Nonamiya [84]3 years ago

5 0

Answer:

Elements in the same period have the same number of electron shells; moving across a period (so progressing from group to group), elements gain electrons and protons and become less metallic. This arrangement reflects the periodic recurrence of similar properties as the atomic number increases.

Explanation:

The Periodic Table can predict the properties of new elements, because it organizes the elements according to their atomic numbers. ... They hope that the two nuclei at the centre of these atoms will fuse and form a heavier nucleus. When these heavy elements form, they are usually highly unstable.

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You have a 100 ohm resistor. How

sp2606 [1]

Answer:

R2 = 300 Ohms

Explanation:

Let the two resistors be R1 and R2 respectively.

RT is the total equivalent resistance.

Given the following data;

R1 = 100 Ohms

RT = 75 Ohms

To find R2;

Mathematically, the total equivalent resistance of resistors connected in parallel is given by the formula;

$RT = \frac {R1*R2}{R1 + R2}$

Substituting into the formula, we have;

$75 = \frac {100*R2}{100 + R2}$

Cross-multiplying, we have;

75 * (100 + R2) = 100R2

7500 + 75R2 = 100R2

7500 = 100R2 - 75R2

7500 = 25R2

R2 = 7500/25

R2 = 300 Ohms

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3 years ago

What is the process in which a substance changes from a solid into a liquid?

arlik [135]

Melting, of course. Just as how an ice cube melts to water.

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3 years ago

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andreev551 [17]

Answer:

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Explanation:

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2 years ago

Obi Wan hears the destruction of a planet and all of its people through 'the force'. These sounds are only in his head and are n

trapecia [35]

Answer:

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Explanation:

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