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Andreyy89
2 years ago
15

Why do atoms connect to eachother?

Chemistry
2 answers:
satela [25.4K]2 years ago
7 0

Answer:

electrons can bond atoms together

Explanation:

when two atoms share electrons,they are locked together by that sharing.These are called covalent bonds...but when an atom gives one of its electrons to another atom ,they are held together by electric forces.HOPE THAT HELPED☺

Svetlanka [38]2 years ago
7 0

Explanation:

electron can bond each other

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The volume of the rock is 150
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2 years ago
Water in ethanol solution which one of them is solvent?​
ANEK [815]

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The mixture of ethanol and water is a liquid-liquid solution. The solvent is Water.

Explanation:

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Which of the following elements is the least reactive metal? Sodium, Rubidium, Chlorine, and Magnesium.​
LuckyWell [14K]
First off chlorine is not a metal so you can ignore that one.

Sodium and Rubidium are in group 1 of the periodic table and Magnesium is in group 2.

Group one metals are more reactive than group two because it is harder for the group two metals to lose their 2 valence (outer most) electrons.

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6 0
2 years ago
in order to find the molar mass of an unknown compound, a research scientist prepared a solution of 0.930 g of an unknown in 125
PtichkaEL [24]

Answer:

Molar mass→ 0.930 g / 6.45×10⁻³ mol = 144.15 g/mol

Explanation:

Let's apply the formula for freezing point depression:

ΔT = Kf . m

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Difference between the freezing T° of pure solvent and freezing T° of solution

Kf = Cryoscopic constant → 5.5°C/m

So, if we replace in the formula

ΔT = Kf . m → ΔT / Kf = m

0.8°C / 5.5 m/°C = m → 0.0516 mol/kg

These are the moles in 1 kg of solvent so let's find out the moles in our mass of solvent which is 0.125 kg

0.0516 mol/kg . 0.125 kg = 6.45×10⁻³ moles. Now we can determine the molar mass:

Molar mass (mol/kg) → 0.930 g / 6.45×10⁻³ mol = 144.15 g/mol

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3 years ago
Which term refers to the speed at which reactants are converted into products?
shutvik [7]

Answer:

activation energy hope this is right

6 0
3 years ago
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