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Q: Silicon has three common isotopes, with the masses and isotopic abundances shown below: Silicon-28…

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Q: Order the following from largest to smallest 1 | Hydrogen, H 2 | Caesium, Cs 3 I Lithium, Li 4…

A: As we move from top to bottom in the periodic table, the size increases.

Q: What is an element composed of?

A: An element is a pure material made up of atoms with the same number of protons in their atomic…

Q: The famous frenchman who invented a process was .......? The famous German who had a set of…

A: To write: The famous Frenchman who invented a process was .......? The famous German who had a set…

Q: The question is attatched in the form of a picture.

A: The Reaction is :-2H3PO4+3MgOH2→Mg3PO4220 gm           20 gm           +H2OFirst find out number…

Q: Anwer the three questions on the image below.

A: Reducing agents are those that adds H and reduce the compound. Therefore, the compound that can…

Q: 2) a. Calcula te the molar mass of water. b. find out the number of moles of water in of water. 20g…

A: We have 20 g of water, the molar mass of water, moles of water in 20g ,  the number of water…

Q: What is the number of electrons of the given element?

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Q: Question attached

A: Oxidation reaction is a one where the substance looses its electrons and gets oxidized. Reduction…

Q: The number of protons (is, is not) always equal to thenumber of electrons in orbit around the…

A: The symbol of an element is defined as  ZXA Where  A = mass number = Z + N              Z  = Atomic…

Q: State the definition of element.

A: The definition of element has to be given.

Q: 1- C-CI bond has a . . ( lower, higher) stretching frequency than C-Br bond

A: The study of the absorption or emission of light by the matter due to interaction with the different…

Q: Why do most metals make good electric conductors? A Metals have low specific heat. B Metals attract…

A: The correct option is (C) : The electrons in metals flow easily between atoms.Explanation:Option A…

Q: 3. The half-life of radon is 3.82 days. What fraction of a freshly separated sample of this nuclide…

A: The half-life of a radioactive isotope (t1/2 ): All radioactive decay first-order reaction kinetics.…

Q: Predict the products for the following single and double displacement reactions, and write balanced…

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Q: The most important form of potential energy in molecules is ............. potential energy, Eel

A: The most important form of potential energy in molecules is electrostatic potential energy.…

Q: 54. Refer to the periodic table and state the highest energy sub- level for each of the following…

A: Highest energy sub levels are in elements is where last electron is filled in element. Based on…

Q: One isotope of hydrogen is called protium. Its symbol is: bydroge protum) What is the term used for…

A: Isotopes refer to those elements which have same atomic number but different mass numbers. In other…

Q: Name the three particles of the atom and their respective charges

A: Detail description is given below

Q: Potassium naturally consists of 93.10% K-39 and 6.90% K-41. K-39 has an atomic mass of 38.963707…

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Q: True or False -Atomic theory doesn't need to be taken seriously because it's just a theory ....

A: Given statement is, Atomic theory doesn't need to be taken seriously because it's just a theory

Q: An electrical charged atom or group of atoms. What is it

A: All the substances in thE universe are made up of tiny particles known as atoms. Atoms can be…

Q: In oxidation, a substance ……………………………………           A. Loses and gains electrons B. Gains…

A: Oxidation is a process of reaction

Q: ata Table 1. Analysis of Alka-SelltzerⓇ Mass of acetic acid Density of acetic acid Concentration of…

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Q: the symbol for the state its in

A: Recall the given reaction,                 3 Cl2 g  +  2 Cr3+  aq  +  14 OH- aq  →  6 Cl- aq  +…

Q: Table 3: Part C-Using a Beaker to Measure Volume Data: Trial 1 Trial 2 Leave Blank. Trial 3 Leave…

A: Density is mass per unit volume and it is calculated by the formula Density = Mass used / Volume…

Q: Summarize the history of the atomic idea?

A: Greek philosophers. Leucippus and Democritus put forward the idea of atoms as far back as the fifth…

Q: 2 3 2 2 Na(s) + Na(s) + 10 Mg(s) + Mg(s) + H₂O2(aq) → 10 Cl2(g) O2(g) ->> - O2(g) ->> HCl(aq) ->>…

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Q: Write a balanced half-reaction for the oxidation of manganese ion (Mno,) to permanganate ion in…

A: Steps to balance reactions in basic medium: 1) Find the oxidation state of each atom, 2) Balance the…

Q: Find these elements on the periodic table: Carbon, Silicon, Germanium, Tin, and Lead. What can we…

A: Given group 14  Carbon family  Carbon  Silicon Germanium  Tin  Lead

Q: the remaining blank answers are rejected

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Q: nent tellurium fo

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Q: A pictorial representation of JJ Thomson's model of the atom would be describer solar system;…

A: JJ Thomson model of an atom:- JJ Thomson theoretically described the anatomy (inner structure) of…

Q: label No. of orbitals Example 2 2s 1 (a) 3d (b) 4 7

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Q: I'd like to know the answers to these questions, please.

A: Steroisomers are molecules with same molecular formula but differs in the spatial arrangement of…

Q: The element belonging to group 15, period 3 is named

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Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.