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lawyer [7]
2 years ago
7

How do i find the atomic mass and number ?

Chemistry
1 answer:
grin007 [14]2 years ago
3 0

To get the atomic mass you need to combine the neutrons and protons together, and the atomic number is the number of protons in an atom!

Hope this helps if not comment below please!!!

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The elements C and Se have the same electronegativity value, 2.55. Which of the following claims about the compound that forms f
Rom4ik [11]

Answer:

B

Explanation:

Having the same electronegativity means that the both elements will form a nonpolar bond. The shared electrons of the bind will be found equidistant from the nucleus of the two atoms because none has an unusual ability to attract the electrons of a bond towards itself.

8 0
3 years ago
Which condition must be met in order for an equation to be balanced?
olga55 [171]

Answer:

The elements in the reactants are the same as the elements in the products.

Explanation:

You can't have more or less elements or atoms, but you also can't just have the same number of atoms because then it could be different elements, which can't happen.

5 0
2 years ago
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Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to the reaction BaO2(s)+H2SO4(
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Answer:

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⇒ V H2SO4 = 0.545 mol H2SO4 * ( L H2SO4 / 3.75 mol H2SO4 )

⇒V H2SO4 = 0.1453 L (145.3 mL)

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If an object has a volume of 2 millimeters and a mass of 10 grams, calculate the density of the object. (4 points)
kow [346]
Density = g/mL

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3 years ago
Can we be friends ????
Svet_ta [14]
Yes of course!!!! :)
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