A. A main element with the valence electron configuration 5s- is in periodic group group It forms a monatomic ion with a charge of B. A main group element with the valence electron configuration 5s 5p* is in periodic group It forms a monatomic ion with a charge of

Q: 15. A student drew atomic models of four elements. Tin, because it has five energy levels with four…

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Q: A. A main group element with the valence electron configuration 4s¹ is in periodic group It forms a…

A: Answer: Every element during a chemical reaction tries to have an electronic configuration like a…

Q: Which of the following pairs of elements would you expect to have the most similar atomic radii? O…

A: Trend followed : Atomic radii decreases across the period from left to right and increases down the…

Q: What is the neutral atom that has its first two energy levels filled, has 5 electrons in its third…

A: Given that,  A neutral atom has its first two energy levels filled and has five electrons in in…

Q: Using the graphic below which elements would demonstrate more metallic character? A. Elements in the…

A: Metallic property: Metals are electropositive and they easily lose electrons to form cations. The…

Q: Which elements are considered to be representative elements?

A: Whole periodic table classified into 3 parts:-  Transition elements  Representative elements…

Q: Write the condensed ground-state electron configuration for each of the following elements

A: Electrons are filled in the sub-shells in increasing order of their energy i.e. lower energy…

Q: Macmillan Learning Give the symbols of the elements that occupy the group 13 (IIIA), period 4: group…

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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: Match each element to its period. Drag the appropriate elements to their respective bins. • View…

A: Since, you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A. A main group element with the valence electron configuration 2s 2p is in periodic group It forms…

A: The octet rule: According to the octet rule, the atoms form molecules by losing, gaining, or sharing…

Q: Give the name of the elements in each group of three element symbols. a. Au, At, Ag b. N, Na, Ni c.…

A: The name of the given element symbols in each group has to be given.

Q: 2. If we plot the first ionization energies vs. atomic number for the main group elements, we would…

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Q: Read each description in the first column of the table below. If any chemical element with atomic…

A: Answer:Periodic table is an arrangement of elements in rows and columns according to their…

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. Supply the missing information without looking at your periodic table. Element Outermost Shell…

A: Given Elements:Mg12K19Cu29Sb51Kr36Outer Shell configuration = Need to be determinedPeriod Number =…

Q: What are some elements that have atoms smaller than magnesium? Give at least four examples.

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Q: Classify each element. Note that another term for main group is representative, another term for…

A: We have to categorize the given elements according to the given categories. This classification is…

Q: How many protons, neutrons and electrons are in the 77Se isotope? What is its electronic…

A: An atom has 3 subatomic particles electron ,proton and neutron

Q: A. A main group element with the valence electron configuration 4s°4p* is in periodic group It forms…

A: The group number of an element can be determined by the valence electron configuration. The group…

Q: What is the neutral atom that has its first two energy levels filled, has 44 electrons in its third…

A: The number of electrons in the energy levels of the atom can be determined on the basis of their…

Q: What types of elements are contained in group 14? Metal, metalloid, nonmetal Metals only Nonmetals…

A: Group 14 contains Carbon, Silicon , Germanium, Tin and Lead.

Q: Atomic Radius 1. How does atomic radius change as you move from left to right across a period?…

A: The atomic radius refers to the size of an atom. It is typically measured as the distance from the…

Q: An atomic cation with a charge of +1 has the following electron configuration: 15² 25² 2p 3s²3p² How…

A: Electron configuration is 1s2 2s2 2p6 3s2 3p5 An atomic cation with charge +1How many electrons does…

Q: Which element resides in the third period under group 4A (14) of the periodic table? A) Ge B) Si C)…

A: Elements are arranged on the periodic table in the increasing order of their atomic masses.

Q: true or false The symbols Na, Ni, and Ne all represent metallic elements.

A: In the periodic table, metals are placed at the left side while non metals are placed at right side.…

Q: A. A main group element with the valence electron configuration 35 is in periodic group 2 It forms a…

A: Answer for A.: Mg, +2 Answer for B.: Se, -2

Q: Elements found on the left side of the periodic table contains outer shells that are ____; These…

A: Elements found on the left side of the periodic table  are alkali and alkaline earth metals. they…