Question and answer
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
Question|Asked by Lexi101714|Rated good
Asked 12/23/2015 10:15:21 AM
Updated 12/23/2015 1:34:10 PM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [12/23/2015 1:34:08 PM], Confirmed by jeifunk [12/23/2015 1:34:10 PM]
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User: 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.

Expert answered|Wallet.ro|Points 56312|

Question|Asked by Lexi101714|Rated good
Asked 12/23/2015 10:15:21 AM
Updated 12/23/2015 1:34:10 PM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [12/23/2015 1:34:08 PM], Confirmed by jeifunk [12/23/2015 1:34:10 PM]
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Questions asked by Lexi101714
Is the sequence 3, 12, 36, .... A gemotric sequence? Explain.
Question|Asked by Lexi101714
Not Answered
Updated 12/19/2015 10:28:03 PM
6 Answers/Comments
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.
Added 12/19/2015 5:36:42 AM
This answer has been confirmed as correct and helpful.
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.
Added 12/19/2015 5:38:04 AM
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.
Added 12/19/2015 8:58:01 AM
Okay thanks Andrew!
Added 12/19/2015 10:28:03 PM
If a material contains three elements joined in a fixed proportion, it is a(n) A. Mixture. B. Solution. C. Atom. D. Compound.
Question|Asked by Lexi101714
Not Answered
Updated 12/23/2015 9:32:59 AM
1 Answer/Comment
If a material contains three elements joined in a fixed proportion, it is a COMPOUND.
Added 12/23/2015 9:32:59 AM
This answer has been confirmed as correct and helpful.
which of the following is a mixture? A. Carbon dioxide. B. Silicon. C. Silicone dioxide. D. Sand
Weegy: Sand is a mixture. User: A mixture can be classified as a solution, suspension, or colloid based on the. A. Number of particles it contains. B. Size of its largest particles. C. Color of its particles. D. Size of its smallest particles Weegy: A mixture can be classified as a solution, suspension, or colloid based on the : Size of its largest particles. (More)
Question|Asked by Lexi101714
Updated 12/23/2015 1:15:09 PM
0 Answers/Comments
A material that is malleable and conducts electricity is most likely. A. Wood. B. Ice. C. A metal. D. Motor oil.
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)
Question|Asked by Lexi101714
Updated 7/10/2019 3:08:43 PM
1 Answer/Comment
A gas forms when vinegar and baking soda are mixed is a clue of a chemical change.

Added 7/10/2019 3:08:43 PM
This answer has been confirmed as correct and helpful.
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