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kogti [31]
3 years ago
14

What term describes the time it takes for the amount of radioactivity in a material to decrease by one half

Chemistry
1 answer:
den301095 [7]3 years ago
6 0
Half-life (period)
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Balance the chemical equation by indicating the number of each species in the appropriate blanks. For this exercise, indicate co
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Answer:

3 Fe (s) + 4 H2O (l) -----> Fe3O4 (s) + 4 H2 (g)

Explanation:

your question is not completed , perhaps the question is similar to this solution, you can use it .

The balanced equation is

3 Fe (s) + 4 H2O (l) -----> Fe3O4 (s) + 4 H2 (g)

Explanation: In order to balance an equation we must ensure that the number of atoms of each species on right side of the arrow must be equal to the number of atoms of each species on left side of the arrow.

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4 years ago
Cells come from other cells. <br> A) False <br> B) Never <br> C) Sometimes
Vlad [161]

Answer:

C. sometimes

Explanation:

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3 years ago
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<span>polyunsaturated!!! Hope this helps mark this the brainliest!</span>
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3 years ago
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Nadusha1986 [10]

Answer:

<em>Well, Your best answer will be is  2H+ + 2OH-  ->  2H2O but you have to reduce it to H+ + OH-  ->  H2O. </em><em>Good Luck!</em>

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