Preview (20 questions)
1 Question
vor 30 Sekunden
Q.

Zinc was first isolated by German chemist _________ in 1746.


Daniel Rutherford

Andreas Marggraf

Lincoln Marga

2 Question
vor 30 Sekunden
Q.

The symbol of Zinc is ____.


Zn

Zi

Z

3 Question
vor 30 Sekunden
Q.

Zinc is the first element in group _____ of the periodic table.


9

11

12

4 Question
vor 30 Sekunden
Q.

Is Zinc a metal?


Yes

No

5 Question
vor 30 Sekunden
Q.

The atomic number for Zinc is ______.


12

30

48

6 Question
vor 30 Sekunden
Q.

__________ process of Zinc protects iron and steel from rusting.


Galvanizing

Unspoiled

Casting

7 Question
vor 30 Sekunden
Q.

The melting point for zinc is _____ in Fahrenheit.


456 °F

787.15 °F

998.32 °F

8 Question
vor 30 Sekunden
Q.

The boiling point for zinc is ______ in Celcius.


907 °C

1000 °C

944 °C

9 Question
vor 30 Sekunden
Q.

The compound _________ is used as a wood preservative and a fire retardant for lumber.


Zinc sulfide

Zinc phosphate

Zinc chloride

10 Question
vor 30 Sekunden
Q.

The color of Zinc is ________.


Yellow

Silvery-white

Red-violet

11 Question
vor 30 Sekunden
Q.

The electronegativity of zinc is _______ in Pauling scales.


1.65

3.78

9.45

12 Question
vor 30 Sekunden
Q.

Can Zinc be alloyed with other metals?


Yes

No

13 Question
vor 30 Sekunden
Q.

Zinc itself appears to regulate ZAG levels in our bodies. 


True

False

14 Question
vor 30 Sekunden
Q.

Zinc is in _______ state at room temperature.


Liquid

Solid

Gas

15 Question
vor 30 Sekunden
Q.

Zinc is an essential trace element for all living organisms.


True

False

16 Question
vor 30 Sekunden
Q.

The standard atomic weight for zinc is _____.


33.8 u

57.12 u

65.38 u

17 Question
vor 30 Sekunden
Q.

Zinc is in the ___ block on the periodic table.


a

b

d

18 Question
vor 30 Sekunden
Q.

Zinc has ______ stable isotopes.


Five

Four

Three

19 Question
vor 30 Sekunden
Q.

The electrons per shell for zinc are _________.


2, 4, 6, 8

2, 8, 18, 2

2, 6, 8, 10

20 Question
vor 30 Sekunden
Q.

Is Zinc a polar or nonpolar face?


Polar face

Nonpolar face