Q: (a) What are valence electrons? (b) How many valence electrons does a nitrogen possess? (c) An atom…
A: a) Valence electrons are the electrons that are present in the outermost shell or outer core of any…
Q: What is bonding pair?
A: An atom can have two sets of electrons on it based on its sharing capacity. They are, the lone pair…
Q: What noble gas has the same electron configuration as calcium nitride?
A: To determine the electronic configuration of any compound, first write its chemical formula and…
Q: Why is the outer shell of an atom called the valence shell?
A:
Q: Draw the electron configuration for a neutral atom of chlorine.
A: The atomic number of chlorine is 17, it has 17 electrons and its electronic configuration is, Cl =…
Q: Given an element with seven valence electrons, how many chemical bonds will usually form?
A: Valence electrons: These are the electrons that are present in the outer shell of the element. The…
Q: By gaining 2 electrons, a sulfur atom attains an electron arrangement like that of the noble gas…
A: Given statement is that sulfur atom attains an electronic arrangement like that of noble gas argon.
Q: e total number of valence electrons
A: Total number of valence electrons is equal to the sum of valence electrons of all atoms in a…
Q: How many electrons are in a tin atom? Give the number of electrons in each shell. How many valence…
A:
Q: Which one in each pair has the larger radius ? Explain. (a) a magnesium ion or an aluminum ion (b) a…
A:
Q: When potassium permanganate is formed, how does the electron configuration of potassium change,…
A: Potassium permanganate is KMnO4. In potassium permanganate, the ions involved are K+ and MnO4-.
Q: Why are chemists interested in the valence shells of atoms?
A: An atom contains three subatomic particles. The positively charged particle, protons, and the…
Q: How many valence electrons does each noble gas have?
A: Valence electrons refers to those electrons which reside in the last shell in an atom. These…
Q: What is required for an atom to expand its valence shell?Which of the following atoms can expand its…
A: Expanding the valence shell means having more number of electrons even when the octet is complete.…
Q: how many valence electrons does a neutral sulfur atom have?
A:
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: bonding electrons?
A:
Q: Draw the electron configuration for a neutral atom of chlorine
A: The elementary part of an atom are electron, proton and neutron, where proton and neutron reside in…
Q: How many valence electrons does a neutral tellurium atom have?
A: Tellurium is a silver-white metalloid. A neutral Te atom has 52 electrons and 52 protons.Atomic…
Q: . What is ionization energy? How does it change as you go across a row in the periodic table? Be…
A: 1) It is defined as the amount of energy which is required to remove the most loosely bounded…
Q: Who discovered the noble gas Xenon?
A: Xenon is a chemical element with the symbol Xe and atomic number 54. It is a colorless, dense,…
Q: How is the bond distance between two atoms affected by the size and the number of electrons shared…
A: A chemical compound consists of two or more different elements which are bonded with each other…
Q: The following Lewis diagram represents the valence electron configuration of a main-group element. X…
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Q: Explain the role of electrons in chemical bonding and in relation to the octet rule.
A: Octet rule: It states that the ability of an atom to take part in a chemical bonding in such a way…
Q: how many valence electrons does Fluorine atoms have?
A: Fluorine(F) Atomic number is 9 It is belongs to halogen family.
Q: Na+ and Cl form a bond. What type of bond would they form?
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Q: 1.) Assuming that the octet rule is obeyed, write out the electron configuration for the ion formed…
A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…
Q: What is the difference for a bicentric and a bielectronic covalent bond?
A: Covalent bond : A bond formed between two atoms by mutual contribution and sharing of one or more…
Q: Use the image below and choose the correct Lewis Dot Structure for oxygen gas. A C
A:
Q: Why is the lattice energy defined as breaking bonds in an ionic solid rather than forming bonds?
A: Lattice energy is the certain amount of energy that is required by the solid or a system to break…
Q: How is the valence electron configuration of the noble gases related to their stability? What is the…
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Q: What is the noble gas electron configuration for Radon (Rn)? ldentify the valence electrons by…
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Q: How many valence electrons do trivalent atoms have?
A: If an atom contains three electrons in its valence shell, then that type of atoms are called as…
Q: What is the total number of valence electrons for Gat? valence electron(s)
A: Interpretation: We have to tell the number of valence electrons in Ga3+ .
Q: How many valence electrons are in a bromine atom?
A:
Q: What are lone pair electrons?
A: The particles which carries a negative charge and are the smallest particles that make up the atom…
Q: Use the space below to write the electron configuration of the Cu2 ion, using the noble gas…
A: The question is about to write the Electron Configuration of Cu2+
Q: What are “valence electrons”?
A: Structure of an atom consists of protons, neutrons and electrons. Protons and neutrons are present…
Q: Describe the general structure of an atom.
A: The general structure of an atom has to be described.
Q: lewis structure
A:
Q: What is an atom? What is atomism? What is alchemy?
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Starting with 1s2draw out the complete electron configuration for the most stable ion of selenium.…
A: The shells around the nucleus are filled with electrons in increasing order of energy. The electrons…
Q: Why was it thought that noble gases could not form bonds?
A: In the periodic table, nible gases are placed in the group 18, at the extreme right corner of the…
Q: explain how the valence configurations of atoms are related to the atom's similarity in reactivity
A: In a chemical reaction the valance electrons decide the reactivity of the atom. The no of valence…
Q: (Q94) During the process of bond formation, what happens when the nuclei of two atoms come closer…
A: When atoms starts approaching each other there feels an attractive force between two approaching…
Q: How electron pair is responsible for the repulsive force between atoms?
A: How electron pair is responsible for the repulsive force between atoms has to be explained.
Q: B. How to keep your atom safe What types of atoms should your atom stay away from, in order to avoid…
A: Platinum is the element, having atomic no. 78 and with atomic symbol Pt. It have different kind of…
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- Negatively charged atoms are called cations. A. True B. FalseA polar covalent bond between two atoms occurs whena. one atom attracts shared electrons more strongly than another atom.b. atoms attract electrons equally.c. an electron from one atom is completely transferred to another atom.d. the molecule becomes ionized.e. a hydrogen atom is shared between two different atomsHow many electrons must be gained or lost by each element to achieve a noble gas confi guration of electrons? a. cesiumb. bariumc. seleniumd. aluminum
- 1.) An element X reacts with hydrogen to form a compound of formula HX. In which group in the periodic table is X most likely to be found? a. 1A b. 2A c. 7A d. 8A 2.) Which of the following compounds has the strongest chemical bond? a. salt b. sugar c. water d. ethanol1. The rule stating that elements need 8 valence electrons in order to become stable: A.Lewis Rule B.Pauli's Rule C.Hund's Rule D.Octet Rule 2. The Main Energy Level is composed of P, d, and f. A.Pauli's Exclusion Principle B. Hund's Rule C. Subshell D. Valence Electron 3. It is important to learn about quantum mechanies because: which are S, A. This information tells us why certain elements may be very reactive while others may be relatively non- reactive. B.This information tells us how atoms grow to become larger molecules. C.This information tells us why certain elements are found as gases at room temperature. D.This information allows us to undersstand why some chemicals are colorful and others are dull and muted.33. Haw many valence electrons are in each element? A. Ba B. Al C. Хе
- How many electrons must be gained or lost by each element to achieve a noble gas confi guration of electrons? a. lithiumb. iodinec. sulfurd. strontium1. Which of the following elements has the lowest ionization energy?a. Rbb. Nac. Cd. F1. What is ionization energy? How does it change as you go across a row in the periodic table? Be sure to use the coulombic attraction between electrons and the nucleus in your explanation. 2. How does ionization energy change as you go down a group in the periodic table? Be sure to use the coulombic attraction between electrons and the nucleus in your explanation.