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Modern model of atom

Total questions: 11

Worksheet time: 19mins

Name
Class
Date
1.

What is the maximum number of electrons that the 2nd energy shell can hold?

a)

2

b)

8

c)

18

d)

32

2.

Which subshell is present in the 1st energy shell?

a)

1s

b)

2s

c)

2p

d)

3d

3.

How many orbitals are there in the 'p' subshell?

a)

1

b)

3

c)

5

d)

7

4.

Calculate the maximum number of electrons that can be held in the 3rd energy shell using the formula 2n22n^2 .

a)

8

b)

18

c)

32

d)

50

5.

Identify the subshells present in the 3rd energy shell.

a)

3s, 3p

b)

3s, 3p, 3d

c)

3s, 3d

d)

3p, 3d

6.

Which of the following subshells has the highest number of orbitals?

a)

s

b)

p

c)

d

d)

f

7.

If the 4th energy shell can hold 32 electrons, how many electrons can each orbital in the 'f' subshell hold?

a)

1

b)

2

c)

4

d)

8

8.

What is the relationship between the principal energy shell number nn and its distance from the nucleus?

a)

As nn increases, the distance decreases.

b)

As nn increases, the distance remains the same.

c)

As nn increases, the distance increases.

d)

There is no relationship.

9.

According to the shell model of the atom, which electrons are closer to the nucleus?

a)

Electrons in higher energy levels

b)

Electrons in lower energy levels

c)

Electrons in the same energy level

d)

All electrons are equidistant from the nucleus

10.

Which of the following orbitals has a dumbbell shape?

a)

s

b)

p

c)

d

d)

f

11.

How many orbitals are there in the p sublevel?

a)

1

b)

2

c)

3

d)

6