4. Combine your knowledge of atomic radius, ionisation energy, electron affinity and electronegativity to explain the following observation. When reacted, the potassium atom readily forms a positively charged ion, while the fluorine atom readily forms the negatively charged fluoride ion.

Q: During a chemical reaction, Bromine (Br) would be expected to lose 1 valence electron to have a full…

A: As we know Br is in group 7  and it is a non- metal having 7 electrons in its outermost shell.

Q: Arrange these elements according to electronegativity.

A: Given :-  Elements : C, F, Cs, Al, Na  To arrange :-  Order of their decreasing electronegativities

Q: What is the octet rule?

A: Octet rule is, to gain stability or to be neutral, atom should have noble gas configuration, i.e 8…

Q: To answer the questions, interpret the following Lewis diagram for NO,". 1. For the central nitrogen…

A: Non bonding electron means lone pair electrons. It is equal to 2 at Central atom    Bonding…

Q: Arrange these elements according to electronegativity

A: Electronegativity of an element is it's tendency to attract the shared pair of electrons towards…

Q: Write electron configurations for the most stable ion formed by each of the elements Al, Ba, Se, and…

A:

Q: Explain the concept of electronegativity and how it contributes tothe formation of polar and…

A: Electronegativity is the ability of particular atom to attract electrons. Polarity comes with…

Q: d. Deduce the Lewis (electron dot) structure and predict the shape of each molecule, using the…

A: Given, Molecules SF2 , BF3 , PCl3  First calculate Total Valence electrons to draw the lewis…

Q: ionic covalent bonds are : one atom or molecule completely share an electron from another a bonds in…

A: The ionic covalent bonds are the type of covalent bonds that are polar in nature.

Q: How can an atom violate the octet rule? Group of answer choices By having fewer than eight valence…

A:

Q: How does electronegativity and non – metallic character related to each other?

A: How does electronegativity and non – metallic character related to each other?

Q: What is electronegativity and what are its periodic trends? What is the general relationship between…

A: Atom is the smallest particle which can not be further divided into any other tiny particle.

Q: Which element is most likely to disobey the octet rule when forming chemical bonds?   A) Carbon…

A: Octet rule state that when an atom forms compound by sharing electrons with other atoms, it is…

Q: Explain the trend in electronegativity from Chlorine to Bromine to Iodine

A: Electronegativity :-                           The Tendency of an atom of an element to attractthe…

Q: To answer the questions, interpret the following Lewis diagram for AsO2-. For the central arsenic…

A:

Q: What is the name for a difference in charge between the atoms at each end of a polar bond?

A: The name for a difference in charge between the atoms at each end of a polar bond has to be given…

Q: Predict the reactivity of each atom based on its electronconfiguration.a. potassium b. fluorine c.…

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: How do you tell whether an atom gains or loses electron(s) when forming an ionic bond.

A: Since we know that ionic bonds are formed by the combination of oppositely charged ions . I.e one…

Q: 3. с Draw Lewis diagrams of calcium and bromine. Use these diagrams to show how ionic bonds form…

A: Octet rule says that atom having 8 electrons in outer most shell are stable.

Q: Why can't second-row elements have more than eight electrons in their valence shell? That is, why…

A: We are to discuss why octet rule is always followed by second row(group II) elements without any…

Q: What is Electronegativity and electropositivity?

A: In the morden periodic table Group 1 and group 2 are electropositive element where as group 17…

Q: Nitrate ion, how many non bonding  lone pairs are in ion ?  Molecular shape and how many resonance…

A:

Q: Which statements are true about electronegativity? (a) Electronegativity increases from left to…

A: Electronegativity is the tendency of an element to pull electron towards itself when it is bonded in…

Q: Write electron configurations for the most stable ion formed by each of the elements Te, Cl, Sr, and…

A:

Q: Which of these elements does NOT need 8 electrons to satisfy the Octet Rule? * O Carbon Fluorine…

A: A multiple choice question based on atoms that is to be accomplished.

Q: Arrange the following elements in order of increasing electronegativity: bromine, chlorine, iodine,…

A:

Q: Based on periodic trends of electronegativity, what statement regarding the halogens is MOST…

A: Electronegativity is a measure of an atom's ability to attract shared electrons to itself. It means…

Q: count the total number of valence electrons

A: Valence electrons are the electrons of outermost shell.  C (Z=6)      electron configuration: (2,4)…

Q: What does “polar” means, in the case of an ionized molecules and how is this related to “charged” of…

A: Electronegativity is the tendency of an atom to attract the shared pair of electrons towards itself…

Q: Define electronegativity. A neutral atom has high electronegativity. Describe what happens to this…

A: Periodic table: Modern periodic table has 118 numbers of elements. All elements are arranged in…

Q: Explain why the stability of oxyacids of chlorine increases in the order given below: HClO <…

A: Greater the stability of conjugate base, higher the strength of acid.  Electronegativity of oxygen…

Q: Define Electronegativity ?

A:

Q: Which of the following atoms could not accommodate an expanded octet (i.e., more than eight valence…

A: Expanded octet is more than eight valence electrons.

Q: Arrange the following elements in order of increasing electronegativity: thallium, lead, barium,…

A: Modern periodic table of elements.

Q: According to the octet rule, most atoms that bond covalently achieve the electron configuration of a…

A: According to octet rule , atom losses  or gain or share the electron to obtain the 8 electron…

Q: What are the characteristic bonding features of covalent compounds?

A: Chemical bond: It is the attraction or force that holds the atoms together in any chemical…

Q: 4. Combine your knowledge of atomic radius, ionisation energy, electron affinity and…

A: The question is based on the concept of periodic properties of elements. we have to explain the…

Q: How many valence electrons must this atom lose to have a complete octet in its valence shell?

A: No of proton and electron  is equal to 11

Q: What is the periodic trend of electronegativity?

A: Electronegativity is the tendency to attract electrons towards itself.

Q: Which of the following elements is the most electronegative?     phosphorous     Helium…

A: The most electronegative element is given below.

Q: III. Given the following elements, arrange them accordingly: Elements Increasing Electronegativity…

A: In the periodic table, the properties of the element are as follows; Electronegativity of the…

Q: Electronegativity is the ability of an element to pull electrons towards itself in a bond. In a…

A:

Q: What are the ranges in electronegativity difference for nonpolar covalent, polar covalent and ionic…

A: The types of bond can be explained on the basis of the electronegativity difference between the atom…

Q: To answer the questions, interpret the following Lewis diagram for CIO, . 1. For the central…

A: To solve this problem we have to consider the lewis structure of the given molecules .

Q: Arrange the following elements in order of increasing electronegativity (from the smallest to…

A: In this question, we want to arrange all the elements in Increasing order of electronegativity.  How…

Q: Why are 8 valence electrons the “magic” number in compound formation?

A: According to octet electron rule, the electrons try to achieve 8 electrons in their valence shell…

Q: Explain why phosphorus can have an expanded octet but nitrogen can't.

A: An atom that has more than an octet (can accommodate more than 8 electrons) in its valence shell, is…

Q: What is the difference between nonpolar and polar Ionic bonding?

A:

Q: Which element would be bigger carbon or phosphorus and why? which would have a higher…

A:

Q: Which of the following pairs of elements will not form ionic compounds? Explain why or why not?…

A: