Humans.
Humans have mass and take up space. :)
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Answer:
120 gram sample of a radioactive element, how many grams of that element will be left after 3 half-lives have passed? If you have a 300
Explanation:
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Answer:
Hydrogen is usually classified as a group 1 element since it has one valence electron, just like group 1 metals.
Explanation:
Answer:
The answer is
<h2>22 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass of liquid = 44 g
volume = 2 mL
The density of the liquid is

We have the final answer as
<h3>22 g/mL</h3>
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Answer:
10.81, Boron
Explanation:
I love the explanation Khan Academy gives.