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frutty [35]
3 years ago
6

I am named after the Russian scientist who organized the periodic table by atomic mass. Who am I?

Chemistry
2 answers:
solmaris [256]3 years ago
7 0

Answer:

organesson

Explanation:

the element 118th symbol Og

Basile [38]3 years ago
7 0

Answer:Dmitri Mendeleev

Explanation:

In 1869, Russian chemist Dmitri Mendeleev created the framework that became the modern periodic table, leaving gaps for elements that were yet to be discovered. While arranging the elements according to their atomic weight, if he found that they did not fit into the group he would rearrange them.

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2 years ago
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mestny [16]

Answer: 7.56 moles

Explanation:

C3H8 is the chemical formula for propane, the third member of the alkane family.

Recall that based on Avogadro's number, 1 mole of any substance has 6.02 x 10^23 atoms

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Z moles of C3H8 = 4.55 x 10^24 atoms

To get the value of Z, we cross multiply:

1 x 4.55 x 10^24 atoms = Z moles x (6.02 x 10^23 atoms)

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Z moles =4.55 x 10^24 atoms ➗ 6.02 x 10*23 atoms

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3 years ago
How much mass would a nucleus that is composed of 15 protons and 18 neutrons have?
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