Free Printable Rl

1.

What is the chemical symbol for the element with atomic number 75?

a)

Re

b)

Ru

c)

Rh

d)

Rb

2.

Which of the following elements is a noble gas?

a)

Radon

b)

Ruthenium

c)

Rhenium

d)

Rubidium

3.

What is the primary use of Rhenium in industry?

a)

Catalysts

b)

Batteries

c)

Semiconductors

d)

Insulation

4.

Which element is known for its high melting point and is used in jet engines?

a)

Rhenium

b)

Radium

c)

Rhodium

d)

Rubidium

5.

What is the electron configuration of Rhenium?

a)

$[Xe] 4f^{14} 5d^5 6s^2$

b)

$[Xe] 4f^{14} 5d^6 6s^1$

c)

$[Xe] 4f^{14} 5d^4 6s^2$

d)

$[Xe] 4f^{14} 5d^7 6s^2$

6.

Which of the following elements is a transition metal?

a)

Rhenium

b)

Radon

c)

Rubidium

d)

Ruthenium

7.

What is the atomic mass of Rhenium?

a)

186.21 u

b)

101.07 u

c)

85.47 u

d)

222.02 u

8.

Which element is used in the production of lead-free gasoline?

a)

Rhenium

b)

Radium

c)

Rhodium

d)

Rubidium

9.

What is the oxidation state of Rhenium in $Re_2O_7$ ?

a)

+7

b)

+6

c)

+4

d)

+2

10.

Which element is commonly used in thermocouples?

a)

Rhenium

b)

Radium

c)

Rhodium

d)

Rubidium

11.

What is the density of Rhenium?

a)

21.02 g/cm^3

b)

19.32 g/cm^3

c)

22.59 g/cm^3

d)

11.34 g/cm^3

12.

Which element is used in flash lamps for photography?

a)

Rhenium

b)

Radium

c)

Rhodium

d)

Rubidium

13.

What is the boiling point of Rhenium?

a)

5596 K

b)

3129 K

c)

4876 K

d)

2345 K

14.

Which element is used in the production of superalloys?

a)

Rhenium

b)

Radium

c)

Rhodium

d)

Rubidium

15.

What is the crystal structure of Rhenium?

a)

Hexagonal close-packed

b)

Face-centered cubic

c)

Body-centered cubic

d)

Simple cubic

Rl

Total questions: 15

Worksheet time: 15mins

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