The octet rule means that the valence electrons of atoms react in a way to get to electrons. There are a few exceptions such as Hydrogen and Helium. :: 2 :: 6 :: 8 :: 10

Q: Nombre de protons Nombre de neutrons Carbon: C 6 6 Hydrogen: H 1 Oxygen: O 8 1- Distinguish between…

A: Anything which occupies space & have mass is matter. Example: Elements, compound.

Q: An element X forms an iodide 1XI32 and a chloride 1XCl32.The iodide is quantitatively converted to…

A: The given chemical reaction is - 2 XI3 + 3 Cl2------>2 XCl3 + 3 I2  2 moles of the iodide salt…

Q: Chlorine atoms tend to gain 1 electron to form chloride anions. What is the charge on a chloride…

A: Chloride anion is Cl- and chlorine atom is Cl  If atom gain charge of chloride anions then chloride…

Q: c. Given the three (3) molecules, how are these species related?

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Q: An element's number of valence electrons

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Q: Group II A (Group 2) metals form ions by a. gaining 2 electrons  b. gaining 6 electrons  c.…

A: Alkaline earth metals are placed in group 2 in modern periodic table.These metals has two electrons…

Q: Directions: Illustrate the sharing of electrons of each covalent compound using the Bohr Model.…

A: Bohr Model states that the electron ( negatively charged ) orbits the nucleus ( positively charged)…

Q: When atoms of the following elements form ions, what charge or charges would the ions have? a.…

A: Charge is determined based on octet rule

Q: State the number of valence electrons for each of the following elements. (a) H     (b) B (c) N.…

A: As each atom has a fix number of electrons present in its shells that number is also known as the…

Q: The valence shell and valence electrons in potassium atom (z = 19: A= 39) are O a 11 and 23 Ob. 4…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: 7 of 11 Review | Constants | Periodic Table Part H For the atoms that do not follow the octet rule…

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Q: S SSO - Skywa Unit 9: Compounds PS Test Sodium forms an ionic bond with chlorine when sodium v an…

A: Sodium forms ionic bond when sodium looses an electron

Q: Draw the Lewis structures for the following molecules (Show your process, including Valence…

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Q: Nonmetals typically ______ and metals typically ______.   A. donate  neutrons; accept…

A: Non-metals typically ______ and metals typically ______. A.donate  neutrons; accept neutrons…

Q: Explain how to find the number of valence electrons of an atom just by looking at the periodic…

A: Any element's electronic configuration represents the electron's allocation in distinct energy…

Q: MCQ 149: A covalent bond is the sharing of A. protons B. electrons C. neutrons D. none of above

A: The atoms combine to each other by a chemical bond by attraction. The bonds can be two types namely…

Q: Questions 1. Balance the following equations without using the model set. AIBr, K,SO, Al,(SO,), +…

A: Balancing of Chemical equation :-It may be defined as the method of making the number of atoms of…

Q: All non-metals form __________ when they ____________ electrons

A: Metals loss electrons to give a positive ion. Non-metals accept electrons to give a negative ion.…

Q: 1.Explain the following Why cations are positively charged and Anions are negatively charged 2.who…

A: Cations & Anions.

Q: Chemical Formula:Co, # of atoms Subtota X valence Atom Chemical Name: 4 4 Carbon trioxide 6x3 18…

A: The unstable oxide of carbon is Carbon trioxide.  Chemical formula : CO3

Q: Based on its outer shell, the atom in figure 2.5 would be characterized as _

A: The total no of electrons = 2 The atom represented has only one orbit that has 2 electrons.

Q: 2 / 8 118% a) Loss of electron b) loss of hydrogen c) addition of oxygen d)addition of electron A…

A: (A-6) Coulombic charge and current related with each other by following formula - Q = I t Here - Q =…

Q: f an atom of element X has stronger attraction between its valence electrons and its nucleus…

A: The smallest unit of ordinary matter that makes up a chemical element is an atom. Every solid,…

Q: Use the periodic table to order the following atoms from smallest (1) to largest (4) Al Ba P Ca

A: Al is smallest and Ba is largest

Q: Element Number of Valence Electrons Lewis Dot Symbol 1 4. lodine 5. Carbon 6. Barium 7. Selenium 8.…

A: The symbols of the elements are as follows: Iodine – I Carbon- C Barium – Ba Selenium -Se Silicon-Si…

Q: When are anions formed?   When non-metals lose electrons   When metals lose electrons   When…

A: Anion formed when specie wants to get stablize by gaining electrons. ->Hence, anion formed by…

Q: A neutral object is sketched below, in black and white. There are positive and negative electric…

A: Given the neutral object contains both positive and negative charges that can move around. Now a…

Q: 1. I am in period 4 and I have 2 valence electrons. Who am I?

A: Calcium (Ca)

Q: A fictional compound contains two elements.  Here's what you know: Alchemium (X): a nonmetal…

A: When two nonmetals bond, they share pairs of electrons in a covalent bond.

Q: X has two valence electrons & Z has seven valence electron

A: A question based on the combination of elements, which is to be accomplished.

Q: What are valence electrons? Using the periodic table, write the group number and number of valence…

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Q: 25. The element francium forms the ion Fr* by (A) losing one proton. (C) losing one electron. (B)…

A: Francium is having electronic configuration [Rn] 7s 1 Fr --- --> Fr+ If an atom will loose or…

Q: 2. Tonization energy measurements are usually carried out with atoms in th gaseous state. Why? The…

A: Ionization energy is defined as the energy required to remove one electrons form an atom in gaseous…

Q: lonic compound Metal Number of cation nonmetal number of anion total total charge = 0 valence…

A: Ionic compounds are formed with the help of cation and anion. The ionic charge is generally balanced…

Q: I am having issues with 1.7 a .. I don't understand why this had brackets and the charge

A: Charge written after the brackets represents the overall charge on the specie.

Q: Decide which element probably forms a compound with chlorine that has a chemical formula most and…

A: We need to compare the chemical formula of compound formed by Beryllium and chlorine to the compound…

Q: I need to draw a detailed atom. How would I do that

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Q: ELEMENTS: Ca, K, Al, Mg,  S,  O,  P,  F  Now put 8 different possible combinations together.…

A: We have to write the 8 different molecular formula using Ca, K, Al, Mg,  S,  O,  P,  F using these…

Q: phr, Thomson, Dalton, Rutherf alton, Thomson, Rutherford, B the following will have an elec omide…

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Q: Electronic configuration of Chlorine is Select one: O 1s? 25? 2p6 3s² 3p° O 1s2 252 2p6 3s' 3p6 O…

A: Here ,we have to write the electronic configuration of chlorine

Q: Water contains small amounts of the element fluorine, which helps to strengthen tooth enamel and…

A: Given : Fluorine is added to water in small quantity.

Q: ion that is composed of a single atom

A: When an atom looses electron, they are cations having net positive charge. And when the atoms gains…

Q: QUESTION 16 In general, when an acid and a base are mixed, A. a new acid and a salt are formed O B.…

A: Answer the given question,

Q: Unlike lonic bonds where electrons are transferred between elements, COVALENT bonding is a explained…

A: Covalent bond: A chemical bond which involved in sharing of electrons between two atoms. Sharing…

Q: 3) Consider the following molecule. Write the electron dot and structural formulas, and calculate…

A: Given structure is of ethylene molecule I.e. ethene molecule.

Q: Explain how the radius of an atom changes upon losing electronsto form a cation or gaining electrons…

A: Atomic radius is defined as the distance from the nucleus of an atom to the valence shell of an…

Q: Molecular Modeling Directions: Use the Periodic Table to fill in the name of each element (ator…

A: Different type of atoms or elements have different names and symbols, with different number of…

Q: a.  If an atom of sodium contains 1 valence electron and an ion of sodium contains 8 and has a 1+…

A: a.  If an atom of sodium contains 1 valence electron and an ion of sodium contains 8 and has a 1+…