Preview (20 questions)
1 Question
před 30 sekundami
Q.

Zinc was first isolated by German chemist _________ in 1746.


Daniel Rutherford

Andreas Marggraf

Lincoln Marga

2 Question
před 30 sekundami
Q.

The symbol of Zinc is ____.


Zn

Zi

Z

3 Question
před 30 sekundami
Q.

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


9

11

12

4 Question
před 30 sekundami
Q.

Is Zinc a metal?


Yes

No

5 Question
před 30 sekundami
Q.

The atomic number for Zinc is ______.


12

30

48

6 Question
před 30 sekundami
Q.

__________ process of Zinc protects iron and steel from rusting.


Galvanizing

Unspoiled

Casting

7 Question
před 30 sekundami
Q.

The melting point for zinc is _____ in Fahrenheit.


456 °F

787.15 °F

998.32 °F

8 Question
před 30 sekundami
Q.

The boiling point for zinc is ______ in Celcius.


907 °C

1000 °C

944 °C

9 Question
před 30 sekundami
Q.

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


Zinc sulfide

Zinc phosphate

Zinc chloride

10 Question
před 30 sekundami
Q.

The color of Zinc is ________.


Yellow

Silvery-white

Red-violet

11 Question
před 30 sekundami
Q.

The electronegativity of zinc is _______ in Pauling scales.


1.65

3.78

9.45

12 Question
před 30 sekundami
Q.

Can Zinc be alloyed with other metals?


Yes

No

13 Question
před 30 sekundami
Q.

Zinc itself appears to regulate ZAG levels in our bodies. 


True

False

14 Question
před 30 sekundami
Q.

Zinc is in _______ state at room temperature.


Liquid

Solid

Gas

15 Question
před 30 sekundami
Q.

Zinc is an essential trace element for all living organisms.


True

False

16 Question
před 30 sekundami
Q.

The standard atomic weight for zinc is _____.


33.8 u

57.12 u

65.38 u

17 Question
před 30 sekundami
Q.

Zinc is in the ___ block on the periodic table.


a

b

d

18 Question
před 30 sekundami
Q.

Zinc has ______ stable isotopes.


Five

Four

Three

19 Question
před 30 sekundami
Q.

The electrons per shell for zinc are _________.


2, 4, 6, 8

2, 8, 18, 2

2, 6, 8, 10

20 Question
před 30 sekundami
Q.

Is Zinc a polar or nonpolar face?


Polar face

Nonpolar face