Give the symbol of the element that has the least metallic character in Group 8A (18). Give the symbol of the element that has the lowest ionization energy in Group 7A (17).   Give the symbol of the element that has the highest ionization energy in Group 5A (15).

Q: Which of the following atoms has the largest atomic radius?    P Mg  Sr

A: The given atoms are P, Mg, and Sr.

Q: Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As–, Kr, Ga3+, Cl–? What Do you…

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Q: Which element in the 2nd period would have the largest difference in energy between its 4th and 5th…

A: we have to select the element for which difference in 4th and 5th ionization energy is very large

Q: What is the correct assignment of the names of the following functional groups? но он CH:O OH CH30…

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Q: The ionization enthalpies of group 15 elements are higher than that of group 14 and 16 elements in…

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Q: An element in the 4th row of the periodic table has the following ionization energies: I1 =…

A: The element lies in the 4th row of the periodic table, i.e. in the fourth period.

Q: Which of the following halogens has the largest atomic radius? O Chlorine O lodine O Bromine O…

A: CORRECT Ans- Iodine has largest atomic radius among given halogen elements.

Q: Which element below has the largest second ionization energy (IE₂)? Mg OOO O Ca

A: The Ionization energy decreases from top to bottom in groups, and increases from left to right…

Q: What is meant by the term nuclear charge?

A: NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: Determine the identity of each element based upon the following data. Period 3 element with the…

A: The given IE value(s) : IE IE value (kJ/mol) IE1 578 IE2 1817 IE3 2745 IE4 11575 IE5…

Q: Give the symbol of the element that has the largest atomic size in Group 3A

A: as we move left to right in a period, atomic size decreases due to increase in the effective nuclear…

Q: Which element would have the most favorable favorable (most negative) electron affinity? Ga, Ca,…

A: Electron affinity is the amount of energy released when a neutral atom gains an electron to its…

Q: Which of the atoms listed below has the largest radius? Al P Si Ana Mg

A: We have to determine which of the given atoms has the largest radius  The given atoms are  Al P Si…

Q: Which of the following elements is tetratomic in its standard state? O sulfur selenium carbon O…

A: The elements given are sulfur i.e. S, selenium i.e. Se, carbon i.e. C and phosphorus i.e. P.

Q: Na Mg 38 48 58 68 78 88 – 18 28 AI SI P S CI Ar Arrange the following ions in order of decreasing…

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Q: Which of the following statements is true about elements B, Li, and O? Oxygen has the highest…

A: B belongs to the group 13 or 3A and period 2 in periodic table. Li belongs to the group 1 and period…

Q: What element in period 3 is a metalloid?   Give this element’s ground state noble gas orbital…

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Q: onsider two different elements, element 1 and element 2. Element 1 has a larger radius, but a…

A: Atomic radius is the shortest distance between the nuclei of the atom to the outermost  shell of…

Q: What is the element with the smallest atomic radius in period 4?   Give this element’s ground…

A: In periodic table from left to right the size of the atoms decreases due to increase in attraction…

Q: Order the following five elements by size where 1 is the smallest size and 5 is the largest size.…

A: When we go from left to right throughout a period, electrons are added to the existing…

Q: How many core electrons are in N-2?

A: Given :- Atomic symbol = N-2  To find :- number of core electrons  Atomic number of N = 7

Q: Does the reaction of a main-group nonmetal oxide in water produce an acidic or a basic solution?…

A: All nonmetals form covalent oxides with oxygen that react with water to form acids (or) with bases…

Q: Group A: Na, Mg, Al, Si, and P Group B: He, Ne, Ar, Kr, and Xe Which statement is TRUE? The members…

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Q: Write the balanced chemical equation for the reaction of solid lithium with liquid water?

A: Lithium reacts intensely with water, forming lithium hydroxide and highly flammable hydrogen. The…

Q: The first four ionization energies (IE,through IE4) of a Period 2 element have the following…

A: The question is based on the concept of ionization energy. it is defined as the amount of energy…

Q: Give the main features of f-block elements.

A: In the periodic table, F-block contains the elements between atomic numbers 57 - 70 and 89 - 102…

Q: Arrange the following in order of decreasing atomic radius: Sr, O, Si, Cs, S, Ge

A: The atomic radius for a given element can be defined as the measure of the measure of the size of…

Q: Descri the perlodic trends in lonization energies. Typically, the ionization energy increases from…

A: The minimum amount of energy required to take out an electron from the valence shell of an atom is…

Q: Let's say we have an imaginary element y: First ionization energy = 771 kJ/mol Second ionization…

A: The ionization energies of the element given are, First ionization energy = 771 kJ/mol Second…

Q: Does any element with Z ≤ 92 match the description? A semimetal in group 5A.

A: The question is asking if there is any element with an atomic number (Z) less than or equal to 92,…

Q: Atomic radius is usually inferred from crystallographic data on elemental solids and is a crude…

A: The radius data given is, Li : 0.152 nm Be: 0.113 nm B: 0.088 nm C: 0.077 nm N: 0.075 nm O: 0.066 nm…

Q: atom, for the new element are given in the table. 0.507 1.017 4.108 5.074 6.147 7.903 8.294 To what…

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Q: True or False. If false, give a reason. The 2nd ionization energy of magnesium is greater…

A: 1- True as Second Ionization energy is always greater than it Preceding Atom 2- True- Contraction…

Q: Which element has the largest radius? Ga, Al, or In

A: Given, elements Ga , Al and In  All of these belongs to the same group.

Q: Does any element with Z ≤ 92 match the description? A main group element  on period 4.

A: The question is asking if there is any element with an atomic number (Z) less than or equal to 92,…

Q: Which of the following elements has the smallest atomic radius? carbon lithium boron oxygen

A: Atomic radius decreases on moving from left to right in the periodic table and increases on moving…

Q: Using its electron configuration, explain why antimony can form 3+ or 5+ cations.

A: Atomic number of antimony (Sb) = 51  So, it has total 51 electrons

Q: Arrange the following atoms/ions in order of increasing (from smaller to larger) atomic radius: N³,…

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Q: The graph below represents successive ionization energies (IEs) in kJ/mol for a particular element…

A: The elements of third period given are Aluminium (Al), Silicon (Si), Phosphorous (P), Chlorine (Cl)…

Q: What noble gases have the same electron configurations as K+ and Br-?

A: Noble gases are having completely filled outermost shells. There outer most shell electronic…

Q: What is O 5 O 2.33 O 2 0 1 O 3

A: Atomic number(Z)  of Phosphorous is =15 Phosphorous has 15 electrons and its electronic…

Q: Experimentally, the electron affinity of an element can be determined by using a laser light to…

A: The electron affinity of an atom or molecule is defined as the amount of energy released when an…