Preview (20 questions)
1 Question
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Q.

Zinc was first isolated by German chemist _________ in 1746.


Daniel Rutherford

Andreas Marggraf

Lincoln Marga

2 Question
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Q.

The symbol of Zinc is ____.


Zn

Zi

Z

3 Question
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Q.

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


9

11

12

4 Question
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Q.

Is Zinc a metal?


Yes

No

5 Question
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Q.

The atomic number for Zinc is ______.


12

30

48

6 Question
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Q.

__________ process of Zinc protects iron and steel from rusting.


Galvanizing

Unspoiled

Casting

7 Question
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Q.

The melting point for zinc is _____ in Fahrenheit.


456 °F

787.15 °F

998.32 °F

8 Question
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Q.

The boiling point for zinc is ______ in Celcius.


907 °C

1000 °C

944 °C

9 Question
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Q.

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


Zinc sulfide

Zinc phosphate

Zinc chloride

10 Question
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Q.

The color of Zinc is ________.


Yellow

Silvery-white

Red-violet

11 Question
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Q.

The electronegativity of zinc is _______ in Pauling scales.


1.65

3.78

9.45

12 Question
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Q.

Can Zinc be alloyed with other metals?


Yes

No

13 Question
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Q.

Zinc itself appears to regulate ZAG levels in our bodies. 


True

False

14 Question
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Q.

Zinc is in _______ state at room temperature.


Liquid

Solid

Gas

15 Question
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Q.

Zinc is an essential trace element for all living organisms.


True

False

16 Question
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Q.

The standard atomic weight for zinc is _____.


33.8 u

57.12 u

65.38 u

17 Question
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Q.

Zinc is in the ___ block on the periodic table.


a

b

d

18 Question
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Q.

Zinc has ______ stable isotopes.


Five

Four

Three

19 Question
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Q.

The electrons per shell for zinc are _________.


2, 4, 6, 8

2, 8, 18, 2

2, 6, 8, 10

20 Question
il y a 30 secondes
Q.

Is Zinc a polar or nonpolar face?


Polar face

Nonpolar face