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Anika [276]
3 years ago
5

why do all of these elements- hydrogen, helium, lithium, and beryllium all have negative charges? explain

Chemistry
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0
They all don’t, they also can have positive charges like LiOH (Lithium Hydroxide)
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A graduated cylinder was filled with water to the 25.0 mL mark and weighed. Its mass was 105.5g. An object made of an unknown me
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The answer <span>is <span>8.9 g/mL</span>.</span>

The density (D) is <span>equal to mass (m) divided by volume (V): D = m/V

Let's find the mass of the object:
m = 156 g - 105.5 g = 50.5 g

Let's find the volume of the volume:
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allsm [11]

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Explanation:

4 0
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Read 2 more answers
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