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Anton [14]
3 years ago
11

Elements that belong to the same period/row!!

Chemistry
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

Each row is called a period. Each column is called a group or family.

Explanation:

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Ductility is the ability of a material to be remoulded to a force applied to it without breaking.

e.g copper electronic wires

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A scientist has two samples of gas: The first sample contains one mole of argon atoms and has a mass of 39.948 g; the second sam
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There are 6.022 × 10²³ atoms in 39.948 g of argon and 4.0026 g of helium.

Explanation:

39.945 g/mole is the molar mass of argon so 39.948 g of argon are equal to 1 mole of argon.

4.0026 g/mole is the molar mass of helium so 4.0026 g of helium are equal to 1 mole of helium.

We know that Avogadro's number tell us the number of particles in 1 mole of substance which is 6.022 × 10²³.

So in 39.948 g of argon and 4.0026 g of helium contains the same number of atoms, 6.022 × 10²³.

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Avogadro's number

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A satellite and a hockey puck are alike because they illustrate Newton's first law of motion.
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It would be True

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