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faust18 [17]
3 years ago
5

If an electron Is gained, the atom has a ___ charge.

Biology
2 answers:
UNO [17]3 years ago
7 0

Answer:

negative

Explanation:

electrons have negative charges and elements are usually neutral. so if you add a negative, it will make the atom have a negative charge. think of it as a seesaw, in an atom there are 10 protons and 10 electrons, if an 11th electron friend joins, the seesaw will lean more towards the negative side now. :) hope i helped

galina1969 [7]3 years ago
7 0

Answer:

negative

Explanation:

when and atom gains an electron it's said to be an anion(negatively charged ion)

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since ph can affect the activity of the antibiotics why would the Kirby bauer test require that the agar have a ph of 7.4
Nutka1998 [239]

We have that for the Question "since ph can affect the activity of the <u>antibiotics</u> why would the Kirby bauer test require that the agar have a ph of 7.4" it can be said that

  • Why the Kirby <u>bauer </u>test require that the agar have a ph of 7.4 is because while <em>agents </em>may be in excessive activity, given a scenario that the <em>pH </em>is to exceed 7.4 the results might inverse.

From the question we are told

since ph can <em>affect </em>the activity of the antibiotics why would the Kirby <u>bauer </u>test require that the agar have a ph of 7.4

Generally

Agar has a ph value that should exist between 7.2 and 7.4 within a room temperature,given it  solidifies and this should be when initially prepared

Therefore

Why the Kirby <u>bauer </u>test require that the agar have a ph of 7.4 is because

while <em>agents </em>may be in excessive activity, given a scenario that the <em>pH </em>is to exceed 7.4 the results might inverse.

For more information on this visit

brainly.com/question/1641336  

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