The valence shell electron configuration of this group of elements is extremely stable, so stable in fact that there are only a few known compounds to exist which include this group. Which group below is described by this statement?   A. Group VIII, the Noble Gases   B. Group IA, the Alkali Metals   C. Group IIA, the Alkaline Earths   D. Group VIIA, the Halogens   E. Group VIA, the Oxygen group

Q: Identify the element that fi ts each description. a. an alkali metal in period 6 b. a transition…

A: Hi, since you have posted questions with multiple subparts we will answer the first three subparts…

Q: Which atoms could have the valence electron configuration shown below? a. N3- b. O²- С. Ar d. CI'-…

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Q: Which of the following pairs are NOT isoelectronic?   a. F- and Mg2+   b. Cl- and Ca2+   c.…

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Q: How many valence electrons are present for an atom whose electron configuration is as follows: 1s2…

A: The given electronic configuration is : 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Q: est atomic radius? Sasugt olingie po 0yc e atements is incorrect? ence electrons will form an ion…

A: Tl has highest atomic radii because it belongs to period 6

Q: Rank the following elements in order of increasing atomic radius (smallest to largest). Li, F. CI,…

A: In the periodic table, across a period i.e. on going from left to right in  a period, atomic size or…

Q: 37. Which pair of elements have the same valence electron configuration? a. sodium and argon b.…

A: Dear student ,         since you have posted multiple questions we are allowed to solve only first…

Q: Which set of elements below contains, respectively, an alkali metal, a halogen, and a transition…

A: Alkali Metals are Group 1 elements. Halogens are Group 17 elements. Transition metals are d-block…

Q: Sort the elements in the list below from lowest first ionization energy to highest first ionization…

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Q: A. A main group element with the valence electron configuration 3s1 is in periodic group? It forms a…

A: According to octet rule, a element or ion is stable enough when it has its octet completed. i.e. 8…

Q: 2. Give the electron configuration of Li. Give the set of quantum numbers that describe the…

A: Quantum numbers: Principal quantum number (n): Determine the orbital size and an energy level  an…

Q: 5. An atom of which of the following elements has the smallest atomic radius? a. Cl b. Rb c. Mg d.…

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Q: A. A main group element with the valence electron configuration 3s23p1 is in periodic group It forms…

A: Answer-1 In both mentioned elements final electron has been filled in p-subshell, therefore both the…

Q: 1. Which of the following elements has the lowest ionization energy?a. Rbb. Nac. Cd. F

A: The electronic configuration of each element is given below. Rb = [kr] 5s1 Na = [Ne] 3s1 C = [He]…

Q: 18 Why did the scientist have to come up with a different atomic model after Bohr? a.    Bohr could…

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Q: According to Coulomb's Law... O The energy between two oppositely charged particles decreases as the…

A: Coulomb's law states that the force of attraction or repulsion between two charged particles is…

Q: 2. Two elements that have the same ground-state valence shell configuration of ns np are a. K and…

A: Potassium and magnesium, calcium and magnesium are s-block elements and it cannot have p electrons…

Q: Which element is below is not classified as a lanthanide or actinide a. Ceb. Smc. ud. Fre. All…

A: The objective of the question is to identify the element that is not classified as a lanthanide or…

Q: 6. Arrange the following atoms in order of decreasing size-largest to smallest (assuming all atoms…

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Q: Match each with the best fit possible: 1. Is a characteristic of nonmetals 2. Have physical and…

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Q: Elements in groups IA and VIIA of the periodic table possess, respectively, how many valence…

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Q: In which set of elements would all members be expected to have very similar chemical properties? a.…

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Q: 7. In each of the following sets of elements, which element would be expected to have the highest…

A: Ionisation energy is the amount of energy required to remove an electron from isolated gaseous atom.

Q: OA one O B. two C. three O D. four O E. none Е.

A: Carbon atom has 4 valance electrons.That is carbon make maximum 4 bonds with same or other atoms.

Q: All of the ________ have a valence shell electron configuration ns1. a. halogens b. alkali metals…

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