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Which of the following fabrics are made from long chains of…

Which of the following fabrics are made from long chains of glucose molecules?

Published April 9, 2026
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Why doesn’t methane have a smell?

Why doesn’t methane have a smell?

Published April 9, 2026
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How many electrons are shared by the two nitrogen atoms in n…

How many electrons are shared by the two nitrogen atoms in nitrogen gas (N2)?

Published April 9, 2026
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Before technetium (43) was known, its chemical behavior was…

Before technetium (43) was known, its chemical behavior was predicted by looking at other elements.  Which two elements would be the most useful for this? 

Published April 9, 2026
Categorized as Uncategorized

If an atom were the size of a football stadium, the nucleus…

If an atom were the size of a football stadium, the nucleus would be the size of a:

Published April 9, 2026
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Someone tossed a lit cigarette in the gutter, and it lit som…

Someone tossed a lit cigarette in the gutter, and it lit some dry leaves on fire.  You turn on your hose and put them out.  What caused the fire to go out?

Published April 9, 2026
Categorized as Uncategorized

What force holds the atoms together in the compound CaCl2?

What force holds the atoms together in the compound CaCl2?

Published April 9, 2026
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What elementary particle is found outside the nucleus of the…

What elementary particle is found outside the nucleus of the atom?

Published April 9, 2026
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What is the name of the family of elements which are soft, l…

What is the name of the family of elements which are soft, low melting metals that react violently with water and form +1 ions?

Published April 9, 2026
Categorized as Uncategorized

What is the name of the mild base with a strong odor that ea…

What is the name of the mild base with a strong odor that easily evaporates and is commonly found in floor and window cleaners?

Published April 9, 2026
Categorized as Uncategorized

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