2 years ago

Are diamonds and graphite made from the same element

1 answer:

4 0

Answer:

Graphite and diamond are two of the most interesting minerals. They are identical chemically – both are composed of carbon (C), but physically, they are very different. Minerals that have the same chemistry but different crystal structures are called polymorphs.

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A compound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen (by mass). calculate the empirical formula.

Eva8 [605]

C:H:O = 40/12 : 6,7/1 : 53,3/16 = 3,33 : 6,7 : 3,33 ≈ 1 : 2 : 1

CH₂O

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3 years ago

Difference between a row (“period”) & a column (“group”) on the periodic table and examples.

saw5 [17]

The rows are the one line of elements that goes from left to right horizontally. A column is a line of elements that goes vertically.

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3 years ago

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If element X has 83 protons, how many electrons does it have? ______ electrons

Zolol [24]

The element has 83 electrons

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3 years ago

A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one ele

liubo4ka [24]

Answer:

A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one electron. The potassium ion that forms has 18 electrons. What best describes the bromide ion that forms? It is a negative ion that has one more valence electron than a neutral bromine atom.

Explanation:

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3 years ago

Name an element in the third period (row) of the periodic table with a total of 4 3p electrons

Wittaler [7]

Answer:

sulfur

Explanation:

sulfur has 4p electrons.

phosphorus has 3p electrons.

The question is asking which one has 4

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3 years ago