Preview (20 questions)
1 Question
30 sekund temu
Q.

Zinc was first isolated by German chemist _________ in 1746.


Daniel Rutherford

Andreas Marggraf

Lincoln Marga

2 Question
30 sekund temu
Q.

The symbol of Zinc is ____.


Zn

Zi

Z

3 Question
30 sekund temu
Q.

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


9

11

12

4 Question
30 sekund temu
Q.

Is Zinc a metal?


Yes

No

5 Question
30 sekund temu
Q.

The atomic number for Zinc is ______.


12

30

48

6 Question
30 sekund temu
Q.

__________ process of Zinc protects iron and steel from rusting.


Galvanizing

Unspoiled

Casting

7 Question
30 sekund temu
Q.

The melting point for zinc is _____ in Fahrenheit.


456 °F

787.15 °F

998.32 °F

8 Question
30 sekund temu
Q.

The boiling point for zinc is ______ in Celcius.


907 °C

1000 °C

944 °C

9 Question
30 sekund temu
Q.

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


Zinc sulfide

Zinc phosphate

Zinc chloride

10 Question
30 sekund temu
Q.

The color of Zinc is ________.


Yellow

Silvery-white

Red-violet

11 Question
30 sekund temu
Q.

The electronegativity of zinc is _______ in Pauling scales.


1.65

3.78

9.45

12 Question
30 sekund temu
Q.

Can Zinc be alloyed with other metals?


Yes

No

13 Question
30 sekund temu
Q.

Zinc itself appears to regulate ZAG levels in our bodies. 


True

False

14 Question
30 sekund temu
Q.

Zinc is in _______ state at room temperature.


Liquid

Solid

Gas

15 Question
30 sekund temu
Q.

Zinc is an essential trace element for all living organisms.


True

False

16 Question
30 sekund temu
Q.

The standard atomic weight for zinc is _____.


33.8 u

57.12 u

65.38 u

17 Question
30 sekund temu
Q.

Zinc is in the ___ block on the periodic table.


a

b

d

18 Question
30 sekund temu
Q.

Zinc has ______ stable isotopes.


Five

Four

Three

19 Question
30 sekund temu
Q.

The electrons per shell for zinc are _________.


2, 4, 6, 8

2, 8, 18, 2

2, 6, 8, 10

20 Question
30 sekund temu
Q.

Is Zinc a polar or nonpolar face?


Polar face

Nonpolar face