If a material contains three elements joined in a fixed proportion, it is a(n) A. Mixture. B. Solution. C. Atom. D. Compound.
If a material contains three elements joined in a fixed proportion, it is a COMPOUND.
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Updated 12/23/2015 9:32:59 AM
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If a material contains three elements joined in a fixed proportion, it is a COMPOUND.

Is the sequence 3, 12, 36, .... A gemotric sequence? Explain.
Updated 12/19/2015 10:28:03 PM
In a geometric sequence each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

12/3 = 4

36/12 = 3

As the ratio is not common it is not a geometric sequence.
Confirmed by Andrew. [12/19/2015 8:58:16 AM], Rated good by Andrew.
Arel, I am not sure if to flag your answer or not, you did nothing to explain why is that so.
SCM, his or her answer is not technically wrong, so it should not be flagged. However, it should be deleted because he/she did not answer the question properly.
Okay thanks Andrew!
If an unknown substance cannot be broken down into simpler substances, it is. A. Compound. B. An element. C. Made of one kind of atom. D. Both b and c
Weegy: If an unknown substance CANNOT be broken down into simpler substances, it is: an element. User: Which of the following a physical change? A. Sawing a piece of wood in half. B. Burning a piece of wood. C. Rust forming on an iron fence. D. A cooper roof changing color from red to green Weegy: Sawing a piece of wood in half is a physical change. (More)
Updated 12/23/2015 1:34:10 PM
which of the following is a mixture? A. Carbon dioxide. B. Silicon. C. Silicone dioxide. D. Sand
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Weegy: A material that is malleable and conducts electricity is most likely a metal. User: A substance that is made up of only one kind of atom is what? A. Compound. B. Homogeneous mixture. C. Element. D. Solution. Weegy: A substance that is made up of only one kind of atom is element. User: Which of the following is a clue of a chemical change? A. Iron changes color when heated. B. Gas bubbles form in boiling water. C. Balls of wax form when melted wax is poured into ice water. D. A gas forms when vinegar and baking soda are mixed. (More)
Updated 7/10/2019 3:08:43 PM
A gas forms when vinegar and baking soda are mixed is a clue of a chemical change.

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