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Recent questions and answers in Chemistry

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What is the fourth most abundant element in the universe in terms of mass?
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True or false? A proton carries a positive charge
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Atoms of the same chemical element that have different atomic mass are known as?
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Is sodium hydroxide (NaOH) an acid or base?
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True or false? Bases have a pH level below 7.
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What is the third most common gas found in the air we breathe?
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What is H20 more commonly known as?
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True or false? A neutron has no net electric charge.
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At room temperature, what is the only metal that is in liquid form?
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What orbits the nucleus of an atom?
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K is the chemical symbol for which element?
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What is the chemical symbol for gold?
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True or false? An electron carries a positive charge
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What is the main gas found in the air we breathe?
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True or false? Acids have a pH level below 7
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What is the centre of an atom called?
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What is the first element on the periodic table?
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