Science & Elements — Medium

40 questions · Answers revealed below each question · Print this set

1.Which chemical element makes the heat-proof glass of laboratory ware?
- A. Tin
- B. Boron
- C. Oxygen
- D. Lead
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Boron
Did you know? Boron makes the heat-proof glass of laboratory ware.
2.What is the chemical symbol for Fluorine?
- A. Pd
- B. Rn
- C. F
- D. Br
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F
Did you know? Fluorine (Flúor) has the chemical symbol F.
3.Which chemical element hardens the steel of railroad tracks?
- A. Calcium
- B. Uranium
- C. Aluminum
- D. Manganese
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Manganese
Did you know? Manganese hardens the steel of railroad tracks.
4.Which chemical element outshines gold in rare white jewelry?
- A. Magnesium
- B. Selenium
- C. Uranium
- D. Platinum
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Platinum
Did you know? Platinum outshines gold in rare white jewelry.
5.What is the chemical symbol for Nickel?
- A. Ni
- B. C
- C. Zr
- D. Al
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Ni
Did you know? Nickel (Níquel) has the chemical symbol Ni.
6.Which chemical element has the atomic number 16?
- A. Sulfur
- B. Calcium
- C. Germanium
- D. Argon
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Sulfur
Did you know? Sulfur (Enxofre) has atomic number 16.
7.Which chemical element gives aircraft parts strength at very low weight?
- A. Cesium
- B. Xenon
- C. Strontium
- D. Titanium
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Titanium
Did you know? Titanium gives aircraft parts strength at very low weight.
8.What is the chemical symbol for Indium?
- A. W
- B. Cl
- C. V
- D. In
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In
Did you know? Indium (Índio) has the chemical symbol In.
9.Which chemical element grows into rainbow-colored laboratory crystals?
- A. Chlorine
- B. Silver
- C. Bismuth
- D. Molybdenum
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Bismuth
Did you know? Bismuth grows into rainbow-colored laboratory crystals.
10.Which chemical element has the atomic number 22?
- A. Nickel
- B. Antimony
- C. Oxygen
- D. Titanium
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Titanium
Did you know? Titanium (Titânio) has atomic number 22.
11.Which chemical element has the atomic number 15?
- A. Phosphorus
- B. Radium
- C. Boron
- D. Antimony
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Phosphorus
Did you know? Phosphorus (Fósforo) has atomic number 15.
12.Which chemical element has the atomic number 78?
- A. Platinum
- B. Neon
- C. Calcium
- D. Tin
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Platinum
Did you know? Platinum (Platina) has atomic number 78.
13.Which chemical element is the mineral bananas are famous for?
- A. Potassium
- B. Krypton
- C. Manganese
- D. Zirconium
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Potassium
Did you know? Potassium is the mineral bananas are famous for.
14.Which chemical element has the atomic number 30?
- A. Bromine
- B. Zinc
- C. Potassium
- D. Sodium
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Zinc
Did you know? Zinc (Zinco) has atomic number 30.
15.Which chemical element lurked in old water pipes and paints?
- A. Lead
- B. Helium
- C. Indium
- D. Manganese
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Lead
Did you know? Lead lurked in old water pipes and paints.
16.Which chemical element was the first material of transistors?
- A. Thallium
- B. Palladium
- C. Tungsten
- D. Germanium
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Germanium
Did you know? Germanium was the first material of transistors.
17.What is the chemical symbol for Neon?
- A. Rn
- B. Ne
- C. Tl
- D. Ag
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Ne
Did you know? Neon (Neônio) has the chemical symbol Ne.
18.What is the chemical symbol for Boron?
- A. B
- B. In
- C. Bi
- D. Ga
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B
Did you know? Boron (Boro) has the chemical symbol B.
19.Which chemical element has the atomic number 50?
- A. Tin
- B. Antimony
- C. Neon
- D. Sodium
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Tin
Did you know? Tin (Estanho) has atomic number 50.
20.Which chemical element powers batteries of distant space probes?
- A. Plutonium
- B. Sodium
- C. Silver
- D. Gold
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Plutonium
Did you know? Plutonium powers batteries of distant space probes.
21.What is the chemical symbol for Titanium?
- A. Ti
- B. Ba
- C. Ge
- D. Th
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Ti
Did you know? Titanium (Titânio) has the chemical symbol Ti.
22.What is the chemical symbol for Thallium?
- A. Tl
- B. He
- C. Si
- D. U
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Tl
Did you know? Thallium (Tálio) has the chemical symbol Tl.
23.Which chemical element is the brown antiseptic of the family medicine cabinet?
- A. Magnesium
- B. Potassium
- C. Aluminum
- D. Iodine
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Iodine
Did you know? Iodine is the brown antiseptic of the family medicine cabinet.
24.Which chemical element lubricates machines even under furnace heat?
- A. Molybdenum
- B. Radon
- C. Strontium
- D. Rubidium
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Molybdenum
Did you know? Molybdenum lubricates machines even under furnace heat.
25.Which chemical element protects steel from rust in galvanizing?
- A. Zirconium
- B. Plutonium
- C. Zinc
- D. Chlorine
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Zinc
Did you know? Zinc protects steel from rust in galvanizing.
26.Which chemical element glows in the dark in some of its forms?
- A. Argon
- B. Phosphorus
- C. Rubidium
- D. Neon
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Phosphorus
Did you know? Phosphorus glows in the dark in some of its forms.
27.Which chemical element has the atomic number 14?
- A. Platinum
- B. Bismuth
- C. Gold
- D. Silicon
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Silicon
Did you know? Silicon (Silício) has atomic number 14.
28.Which chemical element has the atomic number 82?
- A. Beryllium
- B. Lead
- C. Chromium
- D. Magnesium
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Lead
Did you know? Lead (Chumbo) has atomic number 82.
29.What is the chemical symbol for Lithium?
- A. Ti
- B. Li
- C. Se
- D. Zn
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Li
Did you know? Lithium (Lítio) has the chemical symbol Li.
30.Which chemical element keeps swimming pools free of germs?
- A. Molybdenum
- B. Gallium
- C. Chlorine
- D. Radon
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Chlorine
Did you know? Chlorine keeps swimming pools free of germs.
31.Which chemical element has the atomic number 28?
- A. Nickel
- B. Mercury
- C. Chromium
- D. Iodine
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Nickel
Did you know? Nickel (Níquel) has atomic number 28.
32.Which chemical element coats food cans to keep them rust-free?
- A. Selenium
- B. Gold
- C. Germanium
- D. Tin
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Tin
Did you know? Tin coats food cans to keep them rust-free.
33.Which chemical element has the atomic number 12?
- A. Magnesium
- B. Cobalt
- C. Sodium
- D. Argon
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Magnesium
Did you know? Magnesium (Magnésio) has atomic number 12.
34.Which chemical element seeps from the ground into basements as a radioactive gas?
- A. Rubidium
- B. Radon
- C. Lithium
- D. Iodine
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Radon
Did you know? Radon seeps from the ground into basements as a radioactive gas.
35.Which chemical element melts in the palm of your hand?
- A. Gallium
- B. Cesium
- C. Iodine
- D. Uranium
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Gallium
Did you know? Gallium melts in the palm of your hand.
36.What is the chemical symbol for Potassium?
- A. Pd
- B. Se
- C. K
- D. Sb
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K
Did you know? Potassium (Potássio) has the chemical symbol K.
37.Which chemical element has the atomic number 10?
- A. Cesium
- B. Helium
- C. Neon
- D. Chlorine
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Neon
Did you know? Neon (Neônio) has atomic number 10.
38.Which chemical element absorbs hydrogen like a metal sponge?
- A. Antimony
- B. Palladium
- C. Gallium
- D. Hydrogen
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Palladium
Did you know? Palladium absorbs hydrogen like a metal sponge.
39.What is the chemical symbol for Arsenic?
- A. Cl
- B. Br
- C. K
- D. As
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As
Did you know? Arsenic (Arsênio) has the chemical symbol As.
40.Which chemical element sets the beat of the world's atomic clocks?
- A. Silver
- B. Cesium
- C. Aluminum
- D. Lithium
Show answer
Cesium
Did you know? Cesium sets the beat of the world's atomic clocks.

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