Boron is one position to the left of carbon on the periodic table. The atomic nurnber of carbon is 6. Given its position on the periodic table, what is the atomic number of boron?

Answer 1

Is not #Z=5#...?

The 100 or so elements are characterized by #Z_"atomic number"#...which specifies the number of charged particles present in the element's nucleus. #"Z=1, hydrogen; Z=2, helium"# #"Z=3, lithium; Z=4, beryllium; Z=5, boron; Z=6, carbon;"# #"Z=7, nitrogen..."#

And if you are doing your chemistry homework, there should be a copy of the Table beside you...

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Answer 2

Boron has an atomic number of five.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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