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Vesna [10]
3 years ago
13

What is the total number of atoms in a 75 g sample of zinc?

Chemistry
1 answer:
velikii [3]3 years ago
8 0
Jinx kxknxbxbxbjxj dbdbcj
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Which of these elements has an atom with the most stable outer electron configuration? * Cl Ca Ne Na
SashulF [63]

Answer:

Neon (Ne) has the most stable outer electron configuration because the outer electron is completely filled and it has octet structure

Explanation:

The configuration of these elements is as follows;

Cl₁₇ = 2, 8,7 (the outer electron is 7)

Ca₂₀ = 2,8,8,2 (the outer electron is 2)

Ne₁₀ = 2,8 (the outer electron is 8)

Na₁₁ = 2,8,1 (the outer electron is 1)

Based on the outer electron value above, Neon (Ne) has the most stable outer electron configuration because the outer electron is completely filled and it has octet structure.

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3 years ago
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D - Thermodynamics

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2 years ago
An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
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7 0
3 years ago
How much force is needed to make a 60 kg object accelerate at a rate of 2.0 m/s2?
marusya05 [52]

Answer: 120N

Explanation:

Given variables are:

force needed = ?

mass of object = 60 kg

acceleration = 2.0 m/s²

Since the magnitude of force depends on the mass of the object and the acceleration by which it moves.

i.e Force = mass x acceleration

Force = 60 kg x 2.0 m/s²

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Thus, 120 Newton of force is needed to make 60 kg object accelerate at a rate of 2.0 m/s²

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3 years ago
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