Question13 The number 9080000 written in scientific notation to the correct numb

Question

Question13

The number 9080000 written in scientific notation to the correct number of significant figures is ________.

9.08 x 106

Question 14

Which of the following pairs of atoms contain the same number of neutrons?

58Ni and 58Fe

Question 15

Which response includes all the following statements that are true, and no others?
I. The f subshell contains 7 orbitals.
II. The third energy shell (n=3) has no f orbitals.
III. There are ten d orbitals in the d subshell.
IV. The second energy shell contains only s and p orbitals.
V. A of p orbital can accommodate a maximum of 2 electrons.

I, III, and IV

Question 16

Carry out the following calculations. Express your answer to the proper number of significant figures.

15170

Question17

The number 80710, when rounded off to 2 significant figures, would appear as ________.

8070

Question 18

If the temperature is 18

Explanation / Answer

13) 9.08 x 106

14) 22Ne &  23Na

15) I, II , IV & V

16) 1.517 x 103

17) 81000

18) 64.4

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