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3 years ago

An isotope becomes more stable by changing the number of what?

1 answer:

3 0

A isotope is atoms of the same element with different amount of neutrons to change the mass. They can become more stable by sharing or giving away electrons to have a stable electron shell

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How many protons are in an isotope of sodium with a mass number of 25?

Hunter-Best [27]

How many protons are in an isotope of sodium with a mass number of 25? 11

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2 years ago

3/4(x-2)=x-1 please answer me

Elan Coil [88]

Answer:

-2

Explanation:

3/2 (x-2) = x-1

<=> 3/4 x - 3/2 = x-1

<=> 3/4 x - x = 3/2 -1

<=> -1/4 x =1/2

<=> x= -2

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3 years ago

Read 2 more answers

What are all the elements to the left of the zigzag line in a periodic table called?

Kitty [74]

They are called metals

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3 years ago

2+4 help please i will fail 6th grade

andrey2020 [161]

Answer:

Explanation:

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2 years ago

A geochemist in the field takes a 36.0 mL sample of water from a rock pool lined with crystals of a certain mineral compound X.

NeTakaya

Answer:

solubility of X in water at 17.0 $^{0}\textrm{C}$ is 0.11 g/mL.

Explanation:

Yes, the solubility of X in water at 17.0 $^{0}\textrm{C}$ can be calculated using the information given.

Let's assume solubility of X in water at 17.0 $^{0}\textrm{C}$ is y g/mL

The geochemist ultimately got 3.96 g of crystals of X after evaporating the diluted solution made by diluting the 36.0 mL of stock solution.

So, solubility of X in 1 mL of water = y g

Hence, solubility of X in 36.0 mL of water = 36y g

So, 36y = 3.96

or, y = $\frac{3.96}{36}$ = 0.11

Hence solubility of X in water at 17.0 $^{0}\textrm{C}$ is 0.11 g/mL.

3 0

2 years ago