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I am Lyosha [343]
1 year ago
10

What three things does the atomic number of an element tell us?

Chemistry
1 answer:
ira [324]1 year ago
3 0

Answer:

the number of protons in the nucleus of an atom. the number of protons define the identity of an element

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A student measures a mass of an 8cm3 block of brown sugar to be 19.9G. what is the density of the brown sugar?
Naily [24]

Answer:

<h2>2.49 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{19.9}{8}  \\  = 2.4875

We have the final answer as

<h3>2.49 g/cm³</h3>

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