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Xelga [282]
4 years ago
6

In a simple model of a neutral magnesium atom with the elements most common mass number. What must happen to an atom of magnesiu

m in order to become a magnesium ion MG^+2 ? Does it lose two electrons and become an ion? or does it lose two neutrons and become a different isotope?
Chemistry
1 answer:
Lunna [17]4 years ago
3 0
It loses two electrons to become an ion.

(As Neutrons carry no charge changing them would not effect the atom so that's how you know it's the electron :) )
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How do you mesure 25.0 milliliters of water(volume)
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This measurement converter chart will help you figure out the liquid measurements called for.

0.5 ml = ⅛ teaspoon.

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The pressure of a 250 mL sample of gas is 105 kPa. What would be the pressure if the volume were increased to 375 ml?
Arte-miy333 [17]

Answer:

<h2>The answer is 70 kPa</h2>

Explanation:

In order to find the pressure if the volume were increased to 375 ml we use Boyle's law

That's

P_1V_1 = P_2V_2

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we are finding the final pressure

P_2 =  \frac{P_1V_1}{V_2}  \\

From the question

P1 = 105 kPa = 105 , 000 Pa

V1 = 250 mL

V2 = 375 mL

So we have

P_2 =  \frac{105000 \times 250}{375}  =  \frac{26250000}{375}  \\  = 70000

We have the final answer as

<h3>70 kPa</h3>

Hope this helps you

8 0
4 years ago
Compare the relative strength of intermolecular forced in solids liquids and gases
DIA [1.3K]

Answer:

Intermolecular forces are weaker attractions that hold molecules or noble gas particles close together when they are in a liquid or solid form.

Explanation:

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Density is the ratio of a substance ___ to its volume <br> A. Force B. Mass C. Thickness D. Weight
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Answer:

Density is the ratio of a substance mass to its volume

hope it helps

plz mark brainliest :)

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4 years ago
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