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ValentinkaMS [17]
3 years ago
9

What is the correct formula for Strontium Selenide?

Chemistry
1 answer:
ikadub [295]3 years ago
5 0

Answer:

(SrSe) | SeSr - PubChem.

Explanation:

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Next the students measured the density of aluminum metal. The accepted density for aluminum is 2.7 g/cm3. The students collected
katovenus [111]

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3 0
4 years ago
If the average speed of a helium atom at a certain temperature is 1230. m/s, what is the speed in miles per hour? (1mi =1609m)
Darya [45]
In order to do conversion on these types of problems. <span>
1.You first have to determine the relationship and the current unit and the target unit which it will be converted into.</span> <span>
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6 0
3 years ago
A solution is prepared by dissolving sugar in water. The solution is 25.0%, by mass, sugar. How many grams of WATER are in 472 g
const2013 [10]
If the sugar makes up 25% of the solution, that means the water makes up 75%, or 3/4, of the solution.

Set up a proportion to solve:
\frac{3}{4} = \frac{x}{472}

Cross multiply:
4x = 1416
x = 354

Therefore, there are 354 grams of water in the solution.
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3 years ago
Need help asap!!!!!!!!
fgiga [73]

Answer:

A Valence electron are the electrons in the outermost shell or energy level of an atom.

4 0
3 years ago
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yaroslaw [1]

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