Singlet excited states 2 Triplet excited state -T, 3 4 Absorption Ground, state,S, Vibrational delaxation

Q: Graphene is a remarkable material with many potential uses, but there is evidence that ingesting it…

A: The statement given is "Graphene is a remarkable material with many potential uses, but there is…

Q: following materials: 2. Cao (b) MnS (c) KBr (d) CsBr b. Justify your selections. Table 1: Ionic…

A: a) In{\rm{CsI}}CaO,  Ca2+ is cation and {{\rm{I}}^{\,{\rm{ - }}}}O2− is the anion. Obtain ionic…

Q: Define the properties of metallic atomic solids ?

A: Answer Properties of metallic solid : Some important properties of…

Q: State whether the following statements are true or false.          Briefly explain your answer.…

A: X-rays True- The closer the electron passes by the nucleus, the higher will be the energy of the…

Q: С. Describe and explain two important properties of sodium in liquid ammonia.

A: Liquid ammonia is a polar solvent which gets self ionized and forms ammonium cation and amide anion.

Q: Write the balanced equation for reaction of sodium phosphate with silver nitrate. Determine the…

A: The balanced chemical equation of the sodium phosphate and silver nitrate can be given as: For…

Q: How do solve for the atomic radius if the given are: it's crystal structure, atomic weight and…

A: Density of unit cell = Z * Molar mass / (Cell edge length)^3 * Avagadro No Z = No of atoms for the…

Q: Using electronic arrangements, explain why nitrogen and phosphorus show similar chemical behaviour

A: The electronic arrangements of Nitrogen and phosphorus are 1s2 2s2 2p3 and 1s2 2s2 2p6 3s2 3p3,…

Q: Briefly explain why chemically similar alkali metal chlorides, NaCl and CsCl, have different…

A:

Q: A) O B) S C) Se D) Te E) Po

A: On going down the group, the atomic radius increases.

Q: 1. Calculate the internal energy and heat capacity of the conduction electrons in a block of…

A: Given that : Volume (V) of block = 2 m3 Temperature (T) = 600°C = 873 K The density of magnesium is…

Q: Periodicity of Halogens PRELAH 1. Which of the halogens has the highest ionization energy? 2. Which…

A: Halogens  Halogens are 17th group elements in the periodic table.(F,Cl,Br and I). Ionisation energy…

Q: 12. 13. Which of the following lists of elements is ordered by increasing number of valence…

A: In the above question, the periodic trends on the elements are described. The physical properties of…

Q: What volume of hydrogen at 20.0oC and 800.0 mm Hg will be formed by the rxn of 20.0 g of calcium…

A:

Q: b. State the physical states of the halogens at room temperature and explain the trend.

A: Halogens are group 17 elements. Halogens are non metals in nature. Halogens are Fluorine, chlorine,…

Q: Arrange the following elements in order of increasing size. From smallest to largest < < Drag and…

A: General trend in size of the atom  Along the period: On moving from left to right in a period atomic…

Q: Differentiate the following and give examples: AR grade CP grade USP grade

A:

Q: Halogens are present in group

A: Given a compound of halogens Halogens is a present of periodic table why is group  Periodic table a…

Q: Ammonia is used in the production of nitric(V) acid. a) Write an equation for the oxidation of…

A: Here we have determine ∆H rxn of the following given reactions.

Q: Write the balanced chemical equation for the reaction of aluminum with iodine. Include phase…

A: The balanced chemical equation for the reaction of aluminum with iodine can be written as,

Q: What is the Lewis dot structure of phosphorous?

A: The anwer to the following question is-

Q: Draw the LEDS , then determine the Geometry/Shape of Ozone. Give a very short explanation.

A: In this question, we have to Draw the Lewis dot structure, then determine the Geometry/Shape of…

Q: 7. Write equations for the formation of these compounds from the elements: a. Strontium Hydride b.…

A: Synthesis of the compound from elements means their synthesis in 1 mol amount . That means to form…

Q: f. Choose the box that represents a solid.

A: There are three states of matter: solid,liquid and gas each having different properties.

Q: _7. An engineer is designing an electrical system and is looking for a material to transmitenergy.…

A: Compounds with ionic bonds can easily dissociate and so such materials are good conductors of heat…

Q: Compare and contrast the characteristics of the theoretical materials of metallic materials (iron)…

A: Non destructive testing is method used by industry to evaluate properties of materials, components,…

Q: 6. Why hydrides of Germanium are known as silanes germanes stannum plumbane

A: Answer The hydrides of Germanium are most useful compounds

Q: PHYSICAL PROPERTIES OF GROUP 1 AND GROUP 7 ELEMENTS: ELEMENT 1.Astatine 2.Bromine 3.Caesium…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Identify the crystal structure of all metals with symbol on each crystal structure type. Except for…

A: Some of the major ones are as follows

Q: 12. Which of the statements below BEST describes the elements in the region A? A A. Known as…

A: The region A represents S-block metals , which consist of Group 1 and Group-2.

Q: 5. The two similarities and differences between the following: Graphene, graphite, graphitic carbon…

A: To list the similarities and differences between graphene, graphite, graphitic carbon nitride and…

Q: Write a distinguishing feature of metallic solids.

A: Metallic solids are a type of solids which consists of metal cations which are surrounded by a…

Q: 9. Consider the following grayscale electrostatic potential map. The regions are labeled as to…

A: We have to find the atom which is most electron poor.

Q: Which of the following is not the similar properties shared by the diagonal effect pair of beryllium…

A: Diagonal relationship between Be and Al: Both have tendency to form covalent compounds.e.g…

Q: Q14. Which equation correctly represents the first ionization of copper? A. Cu(g) → Cu* (g) + 1e B.…

A:

Q: FCC structure has highest formability. Why?

A: The ability of a given metal workpiece to undergo plastic deformation without being damaged is…