1.
Sn
2.
In
3.
Cd
4.
Ag
5.
Pd
6.
Rh
Explanation
Rh is the chemical symbol for the element rhodium. Rhodium is a rare, silvery-white metal that belongs to the platinum group of elements. It is known for its high reflectance and resistance to corrosion. Rhodium is often used as a catalyst in chemical reactions, as a coating for jewelry and electrical contacts, and in the automotive industry for catalytic converters. Therefore, the correct answer for this question is Rhodium, which is represented by the symbol Rh.
7.
Ru
8.
Tc
9.
Mo
Explanation
The given answer, Molybdenum, is the correct answer because it is the full name of the element represented by the symbol "Mo". Molybdenum is a chemical element with the atomic number 42 and is commonly used in various industrial applications due to its high melting point and strength.
10.
Nb
Explanation
Niobium is a chemical element with the symbol Nb. It is a soft, grey, ductile transition metal, often found in the minerals pyrochlore and columbite. Niobium is used in various applications, including in the production of superalloys for jet engines and heat-resistant equipment, as well as in the manufacturing of magnets, capacitors, and electronic devices. It is also used in the medical field for implants and in the aerospace industry for its high melting point and resistance to corrosion.
11.
Zr
Explanation
Zirconium is the correct answer because it is the chemical symbol (Zr) and the full name of the element.
12.
Y
13.
Sr
14.
Kr
15.
Br
Explanation
Bromine is a chemical element with the symbol Br and atomic number 35. It is a halogen and exists as a reddish-brown liquid at room temperature. The question likely asked for the name of the element represented by the symbol "Br," and the correct answer is Bromine.
16.
Se
17.
As
18.
Ge
19.
Ga
20.
Zn
21.
Cu
22.
Co
23.
Fe
Explanation
The symbol "Fe" represents the chemical element iron. Iron is a metallic element with atomic number 26 and is known for its strength and ability to conduct heat and electricity. It is commonly used in construction, manufacturing, and various industrial applications.
24.
Mn
Explanation
Manganese is a chemical element with the symbol Mn. It is a hard, brittle, silvery-grey metal that is commonly found in minerals. Manganese is an essential trace element for all living organisms and plays a vital role in various biological processes. It is used in the production of steel, batteries, and fertilizers. Manganese compounds are also used as pigments in ceramics and glass. Therefore, considering the given information, the correct answer is Manganese.
25.
Cl
26.
Cr
Explanation
Chromium is a chemical element with the symbol Cr. It is a hard, lustrous, steel-gray metal that is commonly used in various industrial applications. Chromium is known for its corrosion resistance and is often used as a protective coating for other metals. It is also used in the production of stainless steel and various alloys. Additionally, chromium compounds are used in the manufacturing of pigments, dyes, and tanning agents.
27.
V
28.
Ti
29.
Sc
30.
Ca
31.
Ar
32.
S
33.
P
34.
Al
35.
Si
36.
Mg
37.
Ne
38.
F
39.
O
40.
N
Explanation
Nitrogen is the correct answer because it is represented by the symbol "N" and is commonly known as a chemical element. It is a colorless and odorless gas that makes up a significant portion of the Earth's atmosphere. Nitrogen is essential for various biological processes and is used in the production of fertilizers, explosives, and many other industrial applications.
41.
C
Explanation
Carbon is the correct answer because it is represented by the letter "C" in the periodic table of elements. Carbon is a chemical element with the symbol C and atomic number 6. It is a nonmetallic element and is the basis of all known life on Earth. Carbon has various forms, including diamond and graphite, and is a key component of many important compounds such as carbohydrates, proteins, and nucleic acids.
42.
B
Explanation
Boron is a chemical element with the symbol B and atomic number 5. It is a metalloid and the only non-metallic element in group 13 of the periodic table. Boron is known for its low density and high melting point. It is commonly used in the production of borosilicate glass, as a dopant in semiconductors, and in various industrial applications.
43.
Be
Explanation
Beryllium is a chemical element with the symbol Be and atomic number 4. It is a lightweight metal that is strong, brittle, and has a high melting point. Beryllium is commonly used as an alloying agent in the production of various materials, such as copper and aluminum alloys, to improve their strength and durability. It is also used in nuclear reactors and X-ray machines due to its ability to absorb radiation. Therefore, the correct answer for this question is Beryllium, as it is the element represented by the symbol Be.
44.
Ba
45.
He
46.
Cs
47.
Rb
Explanation
Rubidium is a chemical element with the symbol Rb. The given information "Rb" is the symbol for rubidium, which is a soft, silvery-white alkali metal. Therefore, the correct answer is Rubidium.
48.
K
Explanation
The correct answer is Potassium. Potassium is represented by the symbol K in the periodic table. It is a chemical element that belongs to the alkali metal group. Potassium is essential for various bodily functions, including maintaining proper heart and muscle function, regulating fluid balance, and supporting nerve function. It is also found in many foods, such as bananas, potatoes, and leafy greens.
49.
Na
50.
Li
Explanation
Lithium is a chemical element with the symbol Li. It is a soft, silvery-white alkali metal that belongs to the group of elements known as the alkali metals. Lithium is highly reactive and is commonly used in batteries, ceramics, and medications. It is the lightest metal and has the highest specific heat capacity of any solid element.