The middle element in a specific group of similar elements act as an intermediate between the other two because it is close to the average of the other two elements and is denoted as option C.
<h3>What is an Element?</h3>
These are the substances which aren't unable to be broken down by a chemical reaction and comprises of subatomic particles such as electron, proton etc.
The middle element in a specific group of similar elements act as an intermediate between the other two because it is close to the average of the other two elements when arranging the elements in order of their atomic masses.
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A acidic because the lit mass paper didn't turn blue or stay the same color
The answer is B. Increase, Decrease
Answer:
I think it's 7089 because that's my answer to your questions
