Zinc was first isolated by German chemist _________ in 1746.
Daniel Rutherford
Andreas Marggraf
Lincoln Marga
The symbol of Zinc is ____.
Zn
Zi
Z
Zinc is the first element in group _____ of the periodic table.
9
11
12
Is Zinc a metal?
Yes
No
The atomic number for Zinc is ______.
12
30
48
__________ process of Zinc protects iron and steel from rusting.
Galvanizing
Unspoiled
Casting
The melting point for zinc is _____ in Fahrenheit.
456 °F
787.15 °F
998.32 °F
The boiling point for zinc is ______ in Celcius.
907 °C
1000 °C
944 °C
The compound _________ is used as a wood preservative and a fire retardant for lumber.
Zinc sulfide
Zinc phosphate
Zinc chloride
The color of Zinc is ________.
Yellow
Silvery-white
Red-violet
The electronegativity of zinc is _______ in Pauling scales.
1.65
3.78
9.45
Can Zinc be alloyed with other metals?
Yes
No
Zinc itself appears to regulate ZAG levels in our bodies.
True
False
Zinc is in _______ state at room temperature.
Liquid
Solid
Gas
Zinc is an essential trace element for all living organisms.
True
False
The standard atomic weight for zinc is _____.
33.8 u
57.12 u
65.38 u
Zinc is in the ___ block on the periodic table.
a
b
d
Zinc has ______ stable isotopes.
Five
Four
Three
The electrons per shell for zinc are _________.
2, 4, 6, 8
2, 8, 18, 2
2, 6, 8, 10
Is Zinc a polar or nonpolar face?
Polar face
Nonpolar face
Teste populare
Trend pe HowToPronounce
- Calin Georgescu [ro]
- Codru [ro]
- Simona Bucura-Oprescu [ro]
- Andreea Banica [ro]
- Lidia Buble [ro]
- Jador [ro]
- Hermannstadt [ro]
- Ana Bogdan [ro]
- Victor Negrescu [ro]
- Corvinul Hunedoara [ro]
- Marcel Ciolacu [ro]
- iliescu [ro]
- Dragusin [ro]
- Ionela Cozmiuc [ro]
- Tudor Ionescu [ro]