1.
What is Fe?
Correct Answer
C. Iron
Explanation
Fe is the chemical symbol for the element Iron. Iron is a metallic element that is commonly found in the Earth's crust and is known for its strength and ability to conduct heat and electricity. It is widely used in construction, manufacturing, and transportation industries due to its durability and versatility. Iron is also an essential nutrient for many living organisms, including humans, and plays a crucial role in various biological processes such as oxygen transport and energy production.
2.
What is H?
Correct Answer
B. Hydrogen
Explanation
Hydrogen is the correct answer because it is the lightest and most abundant element in the universe. It is represented by the symbol "H" in the periodic table.
3.
What is the symbol for Potassium?
Correct Answer
A. K
Explanation
The symbol for Potassium is K.
4.
What is the symbol for Neon?
Correct Answer
D. Ne
Explanation
Neon is represented by the symbol Ne in the periodic table.
5.
What is Li?
Correct Answer
B. Lithium
Explanation
Li is the chemical symbol for the element lithium. Lithium is a soft, silver-white metal that is highly reactive and is commonly used in batteries, particularly rechargeable ones. It is the lightest metal and has a low density. Lithium is also used in various industries, including pharmaceuticals, ceramics, and electronics.
6.
What is the symbol for Zinc?
Correct Answer
B. Zn
Explanation
The correct answer is Zn. Zinc is represented by the symbol Zn on the periodic table.
7.
What is C?
Correct Answer
C. Carbon
Explanation
C is the chemical symbol for carbon. Carbon is a chemical element that is essential for life and is found in all living organisms. It is a nonmetal that can form a variety of compounds and is known for its ability to form strong covalent bonds. Carbon is also a key component of many important substances, such as diamonds, graphite, and organic compounds.
8.
What is the symbol for Aluminum?
Correct Answer
B. Al
Explanation
The symbol for Aluminum is Al.
9.
What is Gallium?
Correct Answer
A. Ga
Explanation
Gallium (Ga) is a chemical element that belongs to the group of post-transition metals. It is a soft, silvery-white metal that has a low melting point and is commonly used in various industries. Gallium is often used in the production of semiconductors, LEDs, and solar cells. It is also used in some medical applications, such as in the treatment of certain types of cancer.
10.
What is the symbol for Boron?
Correct Answer
B. B
Explanation
The symbol for Boron is B.
11.
What is Ni?
Correct Answer
A. Nickel
Explanation
Ni is the chemical symbol for nickel. Nickel is a metallic element that is commonly used in various industries, including the production of stainless steel and batteries. It is known for its corrosion resistance and high melting point, making it a valuable material in many applications. Therefore, the correct answer to the question "What is Ni?" is nickel.
12.
What is the symbol for Sodium?
Correct Answer
D. Na
Explanation
The symbol for Sodium is Na.
13.
What is Mn?
Correct Answer
A. Manganese
Explanation
Mn is the chemical symbol for the element Manganese. Manganese is a transition metal that is commonly found in minerals and is used in various industrial applications. It is known for its strong oxidizing properties and is often used as an alloying agent in the production of steel. Manganese also plays a crucial role in biological systems, where it serves as a cofactor for many enzymes.
14.
What is the symbol for Vanadium?
Correct Answer
C. V
Explanation
The symbol for Vanadium is V.
15.
What is O?
Correct Answer
A. Oxygen
Explanation
Oxygen is the correct answer because it is represented by the symbol "O" in the periodic table. Oxygen is a chemical element that is essential for life and is commonly found in the Earth's atmosphere. It is a colorless and odorless gas, and it plays a crucial role in various biological and chemical processes. Oxygen is also used in various industries, such as medicine, welding, and rocket propulsion.
16.
What is the symbol for Arsenic?
Correct Answer
B. As
Explanation
The symbol for Arsenic is As.
17.
What is Se?
Correct Answer
C. Selenium
Explanation
Selenium is the correct answer because it is the chemical symbol for the element Se. Scandium, Sulfur, and Silicon are not represented by the symbol Se.
18.
What is the symbol for Phosphorus?
Correct Answer
D. P
Explanation
The symbol for Phosphorus is P.
19.
What is the symbol for Fluorine?
Correct Answer
A. F
Explanation
The symbol for Fluorine is F.
20.
What is Ca?
Correct Answer
D. Calcium
Explanation
Ca is the chemical symbol for calcium. In the periodic table, calcium is represented by the symbol Ca. It is a chemical element with the atomic number 20 and is classified as an alkaline earth metal. Calcium is commonly found in the Earth's crust and is essential for the growth and development of living organisms, including humans. It plays a crucial role in bone formation, muscle contraction, nerve function, and blood clotting. Therefore, the correct answer is calcium.
21.
What is the symbol for Argon?
Correct Answer
B. Ar
Explanation
The symbol for Argon is Ar.
22.
What is N?
Correct Answer
B. Nitrogen
Explanation
N is the chemical symbol for Nitrogen.
23.
What is the symbol for Copper?
Correct Answer
A. Cu
Explanation
The symbol for Copper is Cu.
24.
What is the symbol for Sulfur?
Correct Answer
D. S
Explanation
The correct answer is S. Sulfur is a chemical element with the symbol S.
25.
What is Be?
Correct Answer
B. Beryllium
Explanation
Beryllium (Be) is a chemical element with atomic number 4. It is a lightweight metal that is commonly used in various industries due to its high strength, low density, and excellent thermal conductivity. Beryllium is also known for its toxicity and can cause health issues if not handled properly. Therefore, it is important to use caution when working with beryllium-containing materials.
26.
What is Ge?
Correct Answer
D. Germanium
Explanation
Ge is the chemical symbol for the element Germanium. Germanium is a metalloid that is commonly used in electronics and optical devices. It has a grayish-white appearance and is brittle in nature. Germanium is used in the production of semiconductors and as a catalyst in certain chemical reactions. It is also used in infrared optics and as a component in some alloys.
27.
What is the symbol for Helium?
Correct Answer
B. He
Explanation
Helium is represented by the symbol "He" on the periodic table. It is a chemical element with atomic number 2 and is the second lightest element in the universe. Helium is a colorless, odorless, and tasteless gas that is commonly used in various applications such as filling balloons, cooling superconducting magnets, and as a protective gas in welding.
28.
What is the symbol for Silicon?
Correct Answer
C. Si
Explanation
Silicon is represented by the symbol Si in the periodic table.
29.
What is Cl?
Correct Answer
A. Chlorine
Explanation
Cl is the chemical symbol for chlorine. Chlorine is a highly reactive element that belongs to the halogen group. It is a yellow-green gas at room temperature and is commonly used in disinfectants, bleach, and water treatment. Chlorine is also an essential element for the human body as it is involved in various physiological processes. Therefore, the correct answer is chlorine.
30.
What is Mg?
Correct Answer
B. Magnesium
Explanation
Mg is the chemical symbol for the element Magnesium. Magnesium is a metallic element that is commonly found in the Earth's crust and is known for its light weight and high strength. It is used in a variety of applications, including in the production of alloys, as a component in fireworks, and as a dietary supplement. Magnesium also plays a crucial role in many biological processes in the human body, such as nerve function and muscle contraction.
31.
What is the symbol for Bromine?
Correct Answer
C. Br
Explanation
Bromine is represented by the symbol Br on the periodic table.
32.
What is the symbol for Scandium?
Correct Answer
A. Sc
Explanation
Scandium is represented by the symbol Sc on the periodic table.
33.
What is Co?
Correct Answer
C. Cobalt
Explanation
Cobalt is a chemical element with the symbol Co. It is a hard, lustrous, silver-gray metal that is commonly used in various industrial applications. Cobalt is known for its magnetic properties and is often used in the production of magnets and alloys. It is also an essential trace element for humans and animals, playing a crucial role in the formation of red blood cells.
34.
What is Kr?
Correct Answer
D. Krypton
Explanation
Krypton is a chemical element with the symbol Kr and atomic number 36. It is a noble gas that is colorless, odorless, and tasteless. Krypton is found in trace amounts in the atmosphere and is used in certain types of lighting, such as fluorescent lamps and lasers. It is also used in some photographic flashes and as an inert gas in certain industrial processes.
35.
What is the symbol for Titanim?
Correct Answer
A. Ti
Explanation
Titanium is represented by the symbol Ti in the periodic table.
36.
What is Cr?
Correct Answer
D. Chromine