Which types of magnetic materials are used to make permanent magnets?

Q: Ir atoms

A:

Q: Describe the properties of metals that make themuseful for making jewelry.

A: The elements which forms a cation easily is known as metal.

Q: The number of nearest-neighbor atoms of an atom is called its O a. sequence number O b. system…

A: We need to tell in the question about what we called  to the number of surrounding atoms to the…

Q: Draw the structure for Pt (en) Cl2

A: The structure for dichloro(ethylenediamine)platinum(ii) [Pt(en)Cl2] is given by,

Q: Define the term fixation.Name two elements that undergoenvironmental fixation. What natural forms of…

A:

Q: Why are metals commonly white but copper and gold are colored?

A: Answer - According to the question - Metal are white because  in  smooth surface these metal will be…

Q: Which toxic substance is often used to extract gold and results in harmful environmental effects?

A: Metallurgy :- The extraction of metals from their minerals by applying different techniques is known…

Q: Đ1. Docs the charge of the material remain the same when paired up with other material? 02. What is…

A:

Q: D- A sample of non-pure magnetite( Fe304) weighed 0.5g convert by the chemical reaction to Fe203…

A:

Q: Assign reasons for each of the following :(i) Transition metals generally form coloured…

A: In periodic table, four main blocks are there. These are s block, p block, d block and f block.…

Q: What are the unique properties of nanoscale (1 nm ∙ 10∙9 m) materials?

A: Nanomaterials are the materials that have at least one dimension between 1 nm and 100 nm are called…

Q: Which of the following paired statements are correct? A Prism --- serves as the source of radiation…

A: Prism will separate light into its component wavelengths. Light source serves as source of…

Q: Electrons in a strong magnet....

A: ANSWER

Q: What is the most economical fabrication technique? forging casting 3D-printing powder metallurgy

A: A multiple choice question about fabrication techniques, which is to be accomplished.

Q: Fluorescent compound

A: Answer: the reaction product of thiochrome  formation is fluorescent compound.

Q: Discuss the following sentences: 1- In alumina manufacturing, calcination process is preferred…

A: Discussing the following statements.

Q: ... he cell length (short side of the right triangle) is 6.67 A. What is the length of the long side…

A:

Q: Which of the following statements is true about diamagnetic solids? a. Have atoms with randomly…

A: There are various types of compounds based on their behaviour against magnetic field.They are…

Q: What is the main element used in the manufacture of solar cells. Explain how additional elements are…

A: Silicon, the most common semiconductor material used in solar cells, representing approximately 95%…

Q: What is Bioinorganic chemistry?

A: Certain metal ions are involved in the biological reactions that place inside the living organisms.…

Q: The amount of deuterium and lithium 7 shows that the normal, baryonic matter can make up only about…

A: Baryonic matter are made up of baryons which are protons, neutrons and atomic nuclei. But electrons…

Q: define co polymers

A: A co-polymer is a polymer derived from more than one species of monomer. The polymerization of…

Q: A karat is a measure of gold purity. By definition, 24-karat gold is pure gold. However, gold is…

A: 5) Given: Mass of ring = 6 g. And mass percent of gold in ring = 90 %.

Q: Kp %3D II

A:

Q: 5. Which of these two metals will be harder? Explain your choice. Na and Cs

A: Na and Cs are the elements in Alkaline Metals. The factors that affect the hardness are bond…

Q: Why Mn has lower melting point although it has 5 unpaid electrons in the d orbitals?

A: We know that atomic no. of Mn=25 So it contains 5 electrons in d orbitals and 2 electrons in the s…

Q: The same volume of the FCC iron will be heavier than the BCC iron Equiaxed grains show anisotropic…

A:

Q: 22. How does the answer in question 21 explain the splitting pattern of H,? Does the splitting…

A: Given compound,

Q: Cl. へ Cl, XX

A:

Q: NaCl is a composite material because it has both Na and Cl. True or False?

A: Given: NaCl is a composite material because it has both Na and Cl

Q: The most expensive material in the world because of the difficulty in isolating it, is/are ____:…

A: Material is expensive due to its rarity and method by which such material is obtained.

Q: Explain the Shielding and Deshielding Effects ?

A: When the hydrogen atom is surrounded by higher electron density it creates greater opposition to…

Q: Explain the importance and applications ofshape memory alloys

A: Shape memory alloys are those alloys which can be deformed on cooling but return back into their…

Q: 4. Why metals are electrical conductors?

A: Metals are good electrical conductors.  because there are free held loose electrons are present in…

Q: Calculate the number of vacancies per cubic meter in iron at 850°C. The energy for vacancy formation…

A: Given: T = (850 + 273) K = 1123 K A = 55.85 g/mol formation energy, Qv = 1.08 eV/atom ρ = 7.65 g/cm3…

Q: 1. What are the 4 C's of Diamond? 2. Give at least 3 inclusion of a Diamond? 3. Give the 3…

A: Diamond is carbon containing compound, physical properties of Diamond is very hard and low…

Q: 5. Explain why metals exhibit the following properties. – page 269 shiny flexible Electrical…

A: Metals are shiny-The positive metal ions are surrounded by pool of electrons. The electrostatic…

Q: 6. A sample of phosphorite from the Rum Jungle in Australia has 143ND/144Nd 0.51241, 14Sm! %3D 144Nd…

A: In order to find the age of a very old thing or species, the most recommended method is the carbon…

Q: Investingate and report the uses of ferromagnetic oxides in magnetic recording tapes

A: Recording tapes have a thin plastic base material and this base have a coating of ferric oxide…

Q: What is the composition of the liquid for an alloy with a composition of 50% Ni at 1300°C? Give your…

A: A question based on phase diagram that is to be accomplished.

Q: Why is color not an accurate property to use to identify most minerals?

A: Color is not an accurate property to use to identify most minerals.

Q: determine if the following properties are representatives of a metal, semi metal, or non metal: low…

A:

Q: Some of the properties of metals are: 1. Always Conductive 2. Brittle (rough around the edges) 3.…

A: Given are so.e properties of metals. We need to check if these are all true or false.

Q: What are the colors of each glass contains?

A: The glass containers given are,

Q: Question 10 Which of the following monochromator terms is NOT correctly defined? refraction:…

A: Answer  Which of the following monochromator terms is not correctly…

Q: Is bort a diamond?

A: Bort is used as a abrasive coatings for drill bits, grinding wheel and for cutting stones.