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11111nata11111 [884]
3 years ago
14

Which of the following contains only one

Chemistry
2 answers:
zavuch27 [327]3 years ago
8 0

Answer:

A i think

Explanation:

kipiarov [429]3 years ago
7 0

Answer:

A. elements

<em>I</em><em> hope</em><em> it's</em><em> helps</em><em> you</em>

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2. What is critical mass?
Fed [463]

A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction.

8 0
3 years ago
What is the difference between an anion and a cation
Svetlanka [38]

Cations and anions are both ions. The difference between a cation and an anion is the net electrical charge of the ion. Ions are atoms or molecules which have gained or lost one or more valencee electron giving the ion a net positive or negative charge. Cations are ions with a net positive charge.

please mark as brainliest <3

7 0
3 years ago
Which part of an investigation is only found in an experimental investigation?
pantera1 [17]

Answer:

The correct answer is control group.

Explanation:

A group used in a study or in an experiment, which does not get treatment by the scientists and is used as a foundation to determine the functions of the other tested subjects is known as the control group. The control group is only found in an experimental investigation.  

The group in an experiment, which gets the variable being examined is known as an experimental group. The comparison of an experimental group is done with a control group in order to find the answers in an experiment.  

3 0
3 years ago
What is the freezing point depression of a solution that contains 0.705?
Sveta_85 [38]
Colligative properties calculations are used for this type of problem. Calculations are as follows:<span>
</span>

<span>ΔT(freezing point)  = (Kf)m
ΔT(freezing point)  = 1.86 °C kg / mol (0.705)
ΔT(freezing point)  = 1.3113 °C

</span>

<span>
</span>

<span>Hope this answers the question. Have a nice day.</span>

6 0
3 years ago
Why are both absolute dating and relative dating used to determine the age of fossils?
PilotLPTM [1.2K]
<span>they assign a numerical date to each rock layer studied.</span>
5 0
3 years ago
Read 2 more answers
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