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Evgen [1.6K]
2 years ago
12

15) The chemical formula of a compound indicates the

Chemistry
1 answer:
scZoUnD [109]2 years ago
6 0
Oh ok I miss you and I am so
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Find mass percent of each element URGENT PLS HELP!!!
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Answer: Think and you will get it right!

Explanation:

To find the mass percent composition of an element, divide the mass contribution of the element by the total molecular mass. This number must then be multiplied by 100% to be expressed as a percent.

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What do scientist use to measure the volume of a substance
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Scientists use a Graduated Cylinder
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Name at least 3 ways the Periodic Table is organized. *
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The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.

Explanation: Cause I'm smart like that!

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The elements in a row of the the periodic table​
Aleks [24]

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<em><u>Rows in the periodic table are called periods</u></em>. As one moves from left to right in a given period, the chemical properties of the elements slowly change. <em><u>Columns in the periodic table are called groups</u></em>. Elements in a given group in the periodic table share many similar chemical and physical properties

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2 years ago
A sample of aluminum weighs 100 grams and has a volume of 37.03 cm. What is the density of
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2.7005 g/cm²

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