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How many protons are present in an atom of tungsten (W)?
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2. Atoms & Elements
The Atom
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Which of the following chemical formulas represents the main ingredient in natural gas?
A
H_2O
B
C_2H_6
C
CO_2
D
CH_4
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Understand that natural gas primarily consists of a simple hydrocarbon, which is a compound made of hydrogen and carbon atoms.
Recall the common hydrocarbons: methane (CH_4), ethane (C_2H_6), propane (C_3H_8), and butane (C_4H_{10}).
Identify that methane (CH_4) is the simplest hydrocarbon and the main component of natural gas.
Compare the given options: H_2O (water), C_2H_6 (ethane), CO_2 (carbon dioxide), and CH_4 (methane).
Conclude that CH_4 represents methane, which is the main ingredient in natural gas.
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