What makes a question testable? Can someone help me on this pls it has to be either a 4-5 sentence! this is a science question.

Chemistry

1 answer:

Alexxandr [17]3 years ago

7 0

Answer:

testable questions are answer through observation or an experiment that provides evidence that the questions connects to the scientific concepts rather the opinion feelings

therefore the question can be tested through observation or experiment

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How many miles of C atoms are present in a sample of 3.85x1024 C atoms?

alekssr [168]

Answer:
number of moles = 6.393 moles

Explanation:
One mole of any substance contains Avogadro's number (6.022 * 10^23) of atoms.
Therefore, to know the number of moles that contain 3.85 * 10^24 atoms, all we have to do is cross multiplication as follows:
1 mole ......................> 6.022 * 10^23
?? moles ..................> 3.85 * 10^24
number of moles = (3.85 * 10^24 *1) / (6.022 * 10^23)
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Which is an element? A: H20 B: NaCl C: Mg D: CO

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Electrons: 27

Hope this helps!