The Modern Atomic Theory

Question 1

Using the periodic table, complete the table to describe each atom. Type in your answers.A

Revolt · Accepted Answer

8

Question 2

Use the periodic table to determine which of the following could be an isotope of bromine (Br). Check all that apply.

Revolt · Accepted Answer

Z = 35, A = 79; A = 79, N = 44

Question 3

Calculate the average atomic mass of carbon if 98.90% of the atoms are C-12 (12.000000 amu) and 1.100% are C-13 atoms (13.003354 amu). Type in your answer using 2 decimal places.MA for carbon = amu

Revolt · Accepted Answer

12.01

Question 4

The electron is found at .

Revolt · Accepted Answer

A

Question 5

Which region is indicated by label A?

Revolt · Accepted Answer

Orbitals

Question 6

Make a Li atom with a mass number of 7. How many electrons did you place in the outermost orbital (ring)?

Revolt · Accepted Answer

1

Question 7

B

Revolt · Accepted Answer

40

Question 8

B

Revolt · Accepted Answer

8

Question 9

Use the periodic table to determine which of the following could be an isotope of indium (In). Check all that apply.

Revolt · Accepted Answer

Z = 49, A = 113; N = 64, Z = 49

Question 10

The proton is found at .

Revolt · Accepted Answer

B

The Modern Atomic Theory Answers

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