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Irina18 [472]
3 years ago
10

Which electron configuration represents the element carbon (atomic number 6)?

Chemistry
1 answer:
trapecia [35]3 years ago
5 0
1s2 2s2 2p2 i hope this helps
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Which of the following statements is true? Atoms of isotopes of an element have different numbers of electrons. Atoms of isotope
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Answer:

atoms of isotopes of an element have different numbers of neutrons.

Explanation:

isotopes have the same number of protons, but different numbers of neutrons.

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The reaction of perchloric acid (HClO4) with lithium hydroxide (LiOH) is described by the equation: HClO4 + LiOH → LiClO4 + H2O
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Answer:

A. 0.35 M

Explanation:

Hello,

In this case, given the volume and concentration of lithium hydroxide and the volume of chloric acid, we can compute the concentration of the neutralized acid by using the following equation:

n_{acid}=n_{base}\\\\V_{acid}M_{acid}=V_{base}M_{base}\\\\M_{acid}=\frac{V_{base}M_{base}}{V_{acid}} =\frac{46.9mL*0.75M}{100mL}\\ \\M_{acid}=0.35M

Therefore, answer is A. 0.35 M.

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What does the atmoic weight 1 in hydrogen tell scientists
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Why does knowing the mass of an object not help you identify what material the object is made from?
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