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Semmy [17]
3 years ago
13

Density, Mass, or Volume can be used to identify an unknown substance

Chemistry
1 answer:
Delicious77 [7]3 years ago
6 0
Density because a substance always has the same density, but mass can be different and volume depends on mass
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All you have to do is multiply 68 miles and 3.2 hours. It will give you the answer, 217.6 mph.

68x3.2=217.6 miles per hour.

5 0
3 years ago
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The needles of an evergreen tree are most similar to what part of other trees?
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Answer:

the leaves i think

Explanation:

i had this on a test once.

8 0
3 years ago
How do you know if a compound is neutral?
belka [17]
When the overall charge is equal to zero
3 0
4 years ago
Based on its location on the period table what can most likely be predicted of phosphorus
Natalka [10]
Hi, I believe this question is asking what charge Phosphorus will have when it forms an ion. If that is the case, you will see that it based on the column it is in, neutral Phosphorus has 5 valence electrons. When it becomes an ion (has 8 valence electrons), it will GAIN three electrons. Meaning, we can predict that Phosphorus will have a 3- charge when it becomes an ion.
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4 years ago
An element has two naturally-occurring isotopes. The mass numbers of these isotopes are 115.00 u and 117.00 u, with natural abun
denis23 [38]

(115.00)(0.25)+(117.00)(0.75)=\boxed{116.50 \text{ u}}

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2 years ago
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