Imagine a scenario where a pot of spaghetti boils over and you see a colored flame appear on the stove. What might be causing this color?

Q: A prepared solution appeaars orange in color. what color light does this solution reflect? Think…

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Q: Which one of the following elements is an example of a transition metal in period 4? а. Carbon O b.…

A: Transitions metals are also known as d-block elements. These are present in the middle of the…

Q: Ir atoms

A:

Q: This halogen is the only liquid non-metal. Group of answer choices A. Bi B. Br C. Ba D. Be E. B

A: Halogen elements are  F -> Fluorine  Cl -> Chlorine  Br -> Bromine  I -> Iodine  At…

Q: Carotenoids are yellow, orange, andred pigments synthesized by plants. Theobserved color of an…

A: a. The colour that is observed more strongly if a plant is orange is the conplementory colour of…

Q: Write the ground state configuration for Cu, Fe, Ti and S.

A: ANSWER IS DISCUSSED BELOW

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: Draw the valence orbital diagram that represents the ground state of Fe.

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Q: Why does a salt compound give off light/a colored flame when burned?

A: When the salts are burned, they are basically provided with the energy  hence the electrons present…

Q: does transition elements have colored ions? if yes, why?

A: Transition elements form coloured compounds due to incomplete d-orbitals.

Q: What are the colors of bromine and potassium permanganate?

A: To find: The colors of bromine and potassium permanganate

Q: H₂N. Br Br HO NO₂ HN O

A: Here we have to determine the azo dye formed in the reaction of the following given compounds.

Q: e AS°, rxn

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Q: Electrons in a strong magnet....

A: ANSWER

Q: Why is zinc not regarded as a transition element?

A: Transition metal has incomplete d subshell in one or more than one oxidation state.

Q: How metal gold can exhibit different colours? Explain briefly.

A: INTRODUCTION: Pure 24 karat cold has a orangish yellow color in nature. But, gold is seldom found in…

Q: 1. Assuming that the light energy to 49.4KJ, what would be the maximum wavelength of light with…

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

A: There are various types of the magnetic materials such as paramagnetic material, diamagnetic…

Q: Transition that causes to the characteristic blue color of K, [Re,Cl]will be A) o -o B) 7-a C) T- 7…

A: #      K2[ Re2Cl2 ]             2+2n-8=0                    ⇒2n=6…

Q: Spectroscopy is the use of electromagnetic radiation to investigate   Question 1 options: A how a…

A: A question based on spectroscopy, which is to be accomplished.

Q: What is your favorite color of fireworks? Which element is responsible for this color and which…

A: The colour red in the fireworks comes from the use of Strontium salts hence the element Strontium…

Q: A trace evidence analyst places crystals of an unidentified white powder onto the stage of a…

A: All materials can be divided into two categories, isotropic and anisotropic. Isotropic materials…

Q: Explain why the color of heated objects changes with their temperature.

A: Colour of any object appears due to the absorbance and emission of photon energy by an arranged…

Q: Carotenoids are yellow, orange, andred pigments synthesized by plants. Theobserved color of an…

A: Since the colour of an object is the complementary colour of the light absorbed by it, the plant…

Q: Consider the metals in the first transition series. Use periodic trends to predict a trend in…

A: On moving to the right across the series in the first transition series, the density increases to…

Q: What is the name of a chemical agent that changes color and helps us whether determine a particular…

A: Color change is a very important property that helps in identifying a particular compound or ion.

Q: The group 10 transition metal in the fifth row of the periodic table:

A: The transition metals are a group of elements that have partially filled d-orbitals. These are…

Q: Is there an expected color change? Test the gases in the test tube with a piece of blue litmus paper…

A: When hexane is treated with Bromine water then Substitution Reaction take place, and bromohexane is…

Q: 3. In your own words explain the relationship between molecular structure and color, and explain why…

A: In an organic compound, electrons transfers from ground state (HOMO) to excited state (LUMO). The…

Q: What makes carbon such a unique element? a. Elemental carbon comes in two forms, diamond, and…

A: Atomic number of carbon is 6.  It's electronic configuration is 1s2,2s2 2p2 Carbon can form four…

Q: Usually, good fireworks display beautiful colors. Corresponding to the colors for chemicals used in…

A: a) Fireworks display beautiful colours because of presence of different metals ions (in form of…

Q: find the number of unpaired electrons for the metal ions. (numbers after the element are supposed to…

A: The metal ion is MnO2 is Mn2+. Its electronic configuration is [Ar]3d5 . Since, oxygen is a weak…

Q: trogen tetroxide is a colorless gas while nitrogen diaxide is a brown gas, what color do you predict…

A: We will follow Le chatelier's principle. Le Chatelier's principle says that if a system is in…

Q: For copper (Cu, Z= 29), provide the electron configuration

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: Dilute silver nitrate is sometimes applied to the eyes of newborn infants.

A: Eyes are the most important organ in the human body. When harmful microbes such as bacteria, fungi…

Q: MCQ 119: When magnesium is burnt on Bunsen burner it gives flame of color A. bright white B. off…

A: In this question we have to find out the color of flame when the Magnesium is burnt on Bunsen…

Q: Cobalt ion forms colored complexes with water and chloride ion according to the chemical equation…

A: A multiple choice question based on equilibrium concept, which is to be accomplished.

Q: 4. Which of these two metals will have a higher melting point? Explain your choice. Na and Al

A: Al has higher melting point than Na.  Metallic lattice of sodium is weak than Aluminium.

Q: 1. List two metals that have a greater tendency to lose electrons than Manganese (Mn).

A: Metals are the elements that can easily lose electrons to form positive ions because they have a…

Q: A beaker contains a solution that absorbs wavelength at 400 nm and 570 nm. Explain what is the…

A: complementary colors are diametrically opposite each other. Thus, absorption of 400 nm light renders…

Q: е. Which metal is losing electrons?

A: Answer is e) Zinc  Because we know that E° Should be positive for a Reaction and that can be done by…

Q: What are the colors of each glass contains?

A: The glass containers given are,

Q: Why does table salt, NaCl, some times appear yellow in colour?

A: All matter can exist in different physical states; solid, liquid and gases. Solid is well known…

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…