Answer:
the answer is
0.1342 mL
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An isotope of an element is another element that has the same number of protons but a different number of neutrons (for instance

and

)
Answer:
Models 1 and 2 would be in the same group.
Explanation:
They have the same amount of valence electrons. Valence electrons are electrons in the outermost electron cloud. This means they have the same properties, therefore are in the same Group on the periodic table.
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Answer: Mercury!!!!!!
Explanation:
Highs and lows. Orbiting between 28 and 43 million miles (46 and 70 million kilometers) from the sun, Mercury, also the smallest planet, feels the brunt of the solar rays. According to NASA, the tiny world suffers the most extreme temperature range of any other planet in the solar system.
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