Preview (20 questions)
1 Question
πριν 30 δευτερόλεπτα
Q.

Zinc was first isolated by German chemist _________ in 1746.


Daniel Rutherford

Andreas Marggraf

Lincoln Marga

2 Question
πριν 30 δευτερόλεπτα
Q.

The symbol of Zinc is ____.


Zn

Zi

Z

3 Question
πριν 30 δευτερόλεπτα
Q.

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


9

11

12

4 Question
πριν 30 δευτερόλεπτα
Q.

Is Zinc a metal?


Yes

No

5 Question
πριν 30 δευτερόλεπτα
Q.

The atomic number for Zinc is ______.


12

30

48

6 Question
πριν 30 δευτερόλεπτα
Q.

__________ process of Zinc protects iron and steel from rusting.


Galvanizing

Unspoiled

Casting

7 Question
πριν 30 δευτερόλεπτα
Q.

The melting point for zinc is _____ in Fahrenheit.


456 °F

787.15 °F

998.32 °F

8 Question
πριν 30 δευτερόλεπτα
Q.

The boiling point for zinc is ______ in Celcius.


907 °C

1000 °C

944 °C

9 Question
πριν 30 δευτερόλεπτα
Q.

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


Zinc sulfide

Zinc phosphate

Zinc chloride

10 Question
πριν 30 δευτερόλεπτα
Q.

The color of Zinc is ________.


Yellow

Silvery-white

Red-violet

11 Question
πριν 30 δευτερόλεπτα
Q.

The electronegativity of zinc is _______ in Pauling scales.


1.65

3.78

9.45

12 Question
πριν 30 δευτερόλεπτα
Q.

Can Zinc be alloyed with other metals?


Yes

No

13 Question
πριν 30 δευτερόλεπτα
Q.

Zinc itself appears to regulate ZAG levels in our bodies. 


True

False

14 Question
πριν 30 δευτερόλεπτα
Q.

Zinc is in _______ state at room temperature.


Liquid

Solid

Gas

15 Question
πριν 30 δευτερόλεπτα
Q.

Zinc is an essential trace element for all living organisms.


True

False

16 Question
πριν 30 δευτερόλεπτα
Q.

The standard atomic weight for zinc is _____.


33.8 u

57.12 u

65.38 u

17 Question
πριν 30 δευτερόλεπτα
Q.

Zinc is in the ___ block on the periodic table.


a

b

d

18 Question
πριν 30 δευτερόλεπτα
Q.

Zinc has ______ stable isotopes.


Five

Four

Three

19 Question
πριν 30 δευτερόλεπτα
Q.

The electrons per shell for zinc are _________.


2, 4, 6, 8

2, 8, 18, 2

2, 6, 8, 10

20 Question
πριν 30 δευτερόλεπτα
Q.

Is Zinc a polar or nonpolar face?


Polar face

Nonpolar face