Answer:
the answer to your question above is D
Answer:
B. A few elements can combine to form a compound
Explanation:
- An <u>element</u> is a substance that cannot be chemically broken down into simpler substances. (THESE ARE IN THE PERIODIC TABLE OF THE ELEMENTS)
- A <u>compound</u> is a substance composed of two or more elements in fixed, definite proportions.
<em>Source: Tro Nivaldo J.. Principles of Chemistry (p. G-4). Pearson Education. Kindle Edition. </em>
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➷ 4 x 2 = 8
4 x 1 = 4
4 x 4 = 16
16 + 8 + 4 = 28
The answer is option D. 28
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Answer:
Below
Explanation:
The balanced equation for h202 = h20 + 02 is:
2H2O2 = 2H20 + O2
The coefficients would be 2
The balanced equation for Na + I2 = NaI is:
2Na + I2 = 2NAI
The coefficients would be 2
Hope this helps! :)
