Science & Elements — Medium, Set 2
21 questions · Answers revealed below each question · Print this set
1.Which chemical element has the atomic number 24?
- A. Radium
- B. Chromium
- C. Thorium
- D. Magnesium
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Chromium
Did you know? Chromium (Cromo) has atomic number 24.
2.Which chemical element lets X-rays pass through machine windows?
- A. Iron
- B. Silver
- C. Plutonium
- D. Beryllium
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Beryllium
Did you know? Beryllium lets X-rays pass through machine windows.
3.What is the chemical symbol for Antimony?
- A. Cr
- B. Fe
- C. As
- D. Sb
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Sb
Did you know? Antimony (Antimônio) has the chemical symbol Sb.
4.What is the chemical symbol for Silicon?
- A. Fe
- B. Zn
- C. Si
- D. I
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Si
Did you know? Silicon (Silício) has the chemical symbol Si.
5.What is the chemical symbol for Lead?
- A. Mg
- B. Pb
- C. C
- D. Sn
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Pb
Did you know? Lead (Chumbo) has the chemical symbol Pb.
6.Which chemical element has the atomic number 3?
- A. Hydrogen
- B. Lithium
- C. Indium
- D. Krypton
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Lithium
Did you know? Lithium (Lítio) has atomic number 3.
7.What is the chemical symbol for Platinum?
- A. Sn
- B. Pt
- C. Ne
- D. Th
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Pt
Did you know? Platinum (Platina) has the chemical symbol Pt.
8.What is the chemical symbol for Zinc?
- A. Zn
- B. Pt
- C. Pd
- D. Ga
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Zn
Did you know? Zinc (Zinco) has the chemical symbol Zn.
9.What is the chemical symbol for Plutonium?
- A. Rb
- B. Pu
- C. S
- D. O
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Pu
Did you know? Plutonium (Plutônio) has the chemical symbol Pu.
10.Which chemical element reacts with almost everything it touches?
- A. Bismuth
- B. Carbon
- C. Strontium
- D. Fluorine
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Fluorine
Did you know? Fluorine reacts with almost everything it touches.
11.What is the chemical symbol for Tin?
- A. Be
- B. Pd
- C. Ar
- D. Sn
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Sn
Did you know? Tin (Estanho) has the chemical symbol Sn.
12.What is the chemical symbol for Magnesium?
- A. O
- B. Xe
- C. B
- D. Mg
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Mg
Did you know? Magnesium (Magnésio) has the chemical symbol Mg.
13.Which chemical element painted the classic yellows of artists' oils?
- A. Lead
- B. Tungsten
- C. Cadmium
- D. Zirconium
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Cadmium
Did you know? Cadmium painted the classic yellows of artists' oils.
14.What is the chemical symbol for Radon?
- A. In
- B. Cd
- C. Rn
- D. Pb
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Rn
Did you know? Radon (Radônio) has the chemical symbol Rn.
15.What is the chemical symbol for Phosphorus?
- A. Sn
- B. P
- C. Kr
- D. Cr
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P
Did you know? Phosphorus (Fósforo) has the chemical symbol P.
16.Which chemical element lights up glowing advertising signs?
- A. Neon
- B. Helium
- C. Mercury
- D. Oxygen
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Neon
Did you know? Neon lights up glowing advertising signs.
17.Which chemical element glowed in the filaments of old light bulbs?
- A. Silicon
- B. Uranium
- C. Tungsten
- D. Copper
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Tungsten
Did you know? Tungsten glowed in the filaments of old light bulbs.
18.Which chemical element fills Earth's core together with iron?
- A. Fluorine
- B. Chlorine
- C. Nickel
- D. Arsenic
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Nickel
Did you know? Nickel fills Earth's core together with iron.
19.What is the chemical symbol for Krypton?
- A. Na
- B. Pt
- C. Kr
- D. Mo
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Kr
Did you know? Krypton (Criptônio) has the chemical symbol Kr.
20.Which chemical element has the atomic number 19?
- A. Potassium
- B. Sodium
- C. Tellurium
- D. Antimony
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Potassium
Did you know? Potassium (Potássio) has atomic number 19.
21.Which chemical element is the base material of computer chips?
- A. Rubidium
- B. Silicon
- C. Fluorine
- D. Mercury
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Silicon
Did you know? Silicon is the base material of computer chips.
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