In which set of elements would all members be expected to have very similar chemical properties? A Br, I, At B) Si, As, Te Ne, Na, Mg D P, Se, I E) CI, Br, Na

Q: Which of the following element will have the greatest difference between IE2 and IE3? He Be Mg Ca

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Q: In which set of elements would all memebers be expected to have very similar chemical properties? A)…

A: Periodic table represents the arrangement of the elements in increasing order of their atomic…

Q: A neutral atom of an element has two electrons with n=1,eight electrons with n=2,eight electrons…

A: Total electrons present in the neutral atom: n=1 has 2 electrons ⇒1s2n=2 has 8 electrons ⇒ 2s2,…

Q: Atomic Radii of the First 86 Elements 300 250 200 150 50 10 Atomic Number .Whais tha ganora trond…

A: As per our guidelines we can only solve first three sub-parts. Please resubmit the other questions…

Q: 7.4.4 Which element, K or Ca, will have the greater IE1, which willhave the greater IE2, and which…

A: Solution :     Ionization energy is defined as the amount of energy required for the removal of an…

Q: Which of the following describes the element Ba? Choose all that apply:(a) is very reactive as a…

A: The element given is Barium i.e Ba.

Q: A neutral atom has two electrons with n = 1, eight electrons with n = 2, eight electrons with n = 3,…

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

Q: Consider three elements with the following abbreviatedelectron configurations: (5.4, 5.5, 5.6)X =…

A: Electronic configuration is termed as the distribution of electrons of an atom or molecule in atomic…

Q: Na CI These 2 elements are in the same Period, what Period would it be? 1 18 2

A: Sodium (Na) electronic configurations [ Ne] 3s1 , Last electron is in  3S ,So principal  quantum…

Q: Smileyum, with the symbol Sy, and frownium, with the symbol En, are fictitious nonmetal elements.…

A: Since there is no information given about the valence of both elements. Hence option 3 and 4 is…

Q: Be sure to answer all parts. Identify the element below and give the symbols of the other elements…

A: The given element is [Ar] 4s23d7 As, Atomic Number = Total Number of electrons Ar has atomic number…

Q: What is the net electric charge of an ato

A: Electric charge is carried by protons and electrons in an atom.

Q: The electron configuration of an element is [Ne]3s?3p4. The element is a(n) O metal. O actinide. O…

A: The electronic configuration of element given is [Ne] 3s23p4

Q: Which of the following categories includes the majority of the elements metalloids, nonmetals,…

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Q: Select the best answer or answers from the choices given: Which set of terms best describes a…

A: Given choices,    (a) negative charge, massless, in the orbital    (b) positive charge, 1 amu, in…

Q: What physical meaning is attributed to ψ2?

A: What physical meaning is attributed to ψ2?

Q: Rank the following atoms in order of increasing size (i.e., smallest to largest): Li, Al, Be, Ba, O.…

A: On moving left to right in the periodic table the number of shells remains the same, the atomic…

Q: Fill in the blanks:(a) The symbol and atomic number of the heaviest nonradioac-tive noble gas are…

A: The periodic table is the representation of elements that are arranged by atomic number, electronic…

Q: Which element would you expect to show similar chemical properties to Na, Cl, P and O. Na

A: Elements of the same group have similar physical and chemical properties. So, in the first step, we…

Q: Complete the electron configuration for Te. [Kr]

A: While writing the electronic configuration for an atom, electrons are filled in the increasing order…

Q: Arrange the following elements according to the increase in their atomic sizes; (0, S, Se) S> Se >0…

A: Atomic radius: The atomic radius of an element decreases as we move from left to right in a period…

Q: What is the maximum number of electrons in an atom that can ha antum numbers? (i) n= 3, { = 2, m =…

A: The question is based on the concept of quantum numbers. these are the numbers which designate the…

Q: Not a member of the Noble Gases * Ar Bi Хе O Kr Not a member of the Halogen Family * O F At In Which…

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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: Determine the missing physical properties for eka-A. Element •Element A melting point (°C) N/A…

A: Eka-A is eka-aluminium which is replaced by Gallium.

Q: A certain atom has a [noble gas]5s24d105p4 electron configuration. Which element is it? A)Hg B)Sm…

A: As we know that the electrons are arranged according to their energy levels around the nucleus. And…

Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°. This ion is…

A: A monoatomic ion with a charge of +1 has an electronic configuration of 1s22s22p63s23p6.

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: Hypothetical elements X and Y form a molecule XY2, inwhich both Y atoms are bonded to atom X (and…

A: A bond in a molecule is a type of attractive force between the atoms of the molecules. The type of…

Q: Identify the isoelectronic elements. O Li, Na, K, Rb*, Cst ONe, Ar, Kr, Xe, He ON3, S2, Br, Cst,…

A: Here, we have to find the isoelectronic elements from the given options.

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. Sb

A: Metal: these are lie on the left side and middle of the periodic table. Metals are good conductors…

Q: Group the following elements according to similar properties: As, I, Ne, F, Mg, K, Ca, Ba, Li, He,…

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Q: Which of the following groups of elements are not all metals? O AI, Zn, As Bi, W, Mo Ba, Sr, Pb Ag,…

A: an element is said to be a metal if it easily loses its valence electron in favorable condition.

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

A: We have given that   In a periodic table element are arranged in order of increasing atomic number,…

Q: Which of the following element labels is incorrect?     O, F, Cl non-metal     Ne, Ar, Kr halogen…

A: Given,  The following elements which is incorrect labels are:

Q: 7. Which of the following are incorrectly paired? a) K, alkali metal b) Ba, alkaline earth metal c)…

A: Since, you have asked multiple questions, we will solve the first question for you.  Question-7 : In…

Q: 3,1,0, + [Kr] 5s' 3d5 [He] 2s? 2p

A: According to guidelines I am supposed to answer first three part only please ask rest of the part as…

Q: D. Match items from column (A) with the suitable one from column (B) (A) (В) Alkaline earth metals 1…

A: The table is given is based on the periodic table.

Q: 1s22s22p63s1 Name the group this element belongs to in the periodic table and explain your answer.…

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Q: From the following list of elements—Ar, H, Ga, Al, Ca, Br, Ge, K,O—pick the one that best fits each…

A: The elements are classified on the basis of their atomic numbers in the periodic table. It was first…

Q: A) Br- Se b) A1 3+ みt P3- c) F , Mg z+ D) Ne, Ar

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Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

A: The pattern of ionization enthalpy in a gathering is reliant upon the valency of the components…

Q: Write the standard isotopic notation for the following atom a) 3p, 3e , 3n

A: • The values provided in the question are:-     i) Number of protons in an atom = 3  ii) Number of…

Q: Arrange each set in order of increasingatomic size:(a) Rb, K, Cs(b) C, O, Be(c) Cl, K, S(d) Mg, K,…

A: Increasing order of size: (a)  K  <  Rb  < Cs   (b) O <  C   <  Be   (c) Cl   <  S…