Part A:  Which of the following elements is the largest? Aluminum, Al (#13) Antimony, Sb (#51) Phosphorus, P (#15) Indium, In (#49) Part B:  Which of the following elements is the smallest? Caesium, Cs (#55) Radon, Rn (#86) Helium, He (#2) Hydrogen, H (#1)

Q: Rank the following in order of increasing atomic size (smallest to largest). > Kr Rb Nb Mo Zn

A: Atomic size increases as move down the group.Atomic size decreases as we move along the period.

Q: Directions: Compare the following elements depending on the given periodic trend. Simply write . 1.…

A: Element are arranged in the increasing order of the atomic number in the periodic table. it is based…

Q: which atoms ( can be more than 1) listed below have a smaller radius than Aluminum? B Cl Ga N S

A: On moving left to right in a period atomic size decreases due to increase in effective nuclear…

Q: What is the maximum number of electrons that can occupy the 2p subshell? O 3 O 10 O 12 O 6 02

A: -> One orbital can occupy maximum two electrons.-> There is fixed number of orbital in every…

Q: From experiments on alpha particle scattering from thin films of gold, the nuclear centers of gold…

A: First, we need to ensure that all measurements are in the same unit for accurate calculations. The…

Q: Which sublevel in the second principal quantum number is represented by the following graph?

A:

Q: 47. Which of the following elements has the highest first ionization energy? a) Li b) Na c) K d) Rb

A:

Q: Using Slater's rules, calculate the effective nuclear charge on a 3d electron of Zn atom? ( atomic…

A: Slater's Rules: Step 1: write the electron configuration of atom in the form: (1 s) (2s, 2p) (3s,…

Q: Symbol of the element having Z=31

A: element having atomic number (z)=31,is Gallium and symbol is 'Ga'

Q: Which of the following atoms will have the largest difference between IE4 and IE5? Group of answer…

A:

Q: 46. The diagram at the right represents two adjacent atoms of sulfur. The measure of distance X is…

A: Atomic radius of S = ~53 pm Ionization energy decreases while going from to to bottom in a group

Q: Which one of the following elements is most likely to have successive ionization encrgies in kJmol'…

A: A multiple choice question based on successive ionization energies, which is to be accomplished.

Q: Which of the following atom does belong to lanthanide group? Group of answer choices A.) U: Z = 92…

A: Given :-  A.) U: Z = 92 B.) Hg: Z = 80 C.) Ce: Z = 58 D.) Cs: Z = 55    To identify :- a…

Q: (a) Write the electron configuration for: (1) (ii) (b) What is meant by nodal surface of an orbital?…

A: The atomic number of an element is equal to the number of protons present in its atom. For a neutral…

Q: Part A:  According to the atomic radius trend, which of these 4 elements should be the largest?…

A: Part A Sr has largest atomic radius  because when we move left to right radius decrease.

Q: Rank the following elements according to their ionization energy. element calcium francium potassium…

A: The amount of energy required to remove an electron from neutral, gaseous, isolated atom in its…

Q: Si , S,Cl,Al,P, Mg ,Na,Ar

A: Atomic no of given elements of Na , Mg, Al, Si, P, S, CL and Ar are 11,12,13,14,15,16,17 and  18…

Q: 6. Arrange the following species in order of increasing radius. Specie Ranking Specie Ranking Specie…

A: Use the periodic properties of periodic table.

Q: Titanium is an s-block element. Select one: O True O False

A:

Q: Which sublevel in the second principal quantum number is represented by the following graph? 30 20…

A: Sublevel s in the second principal quantum number is correct because in the graph it shows the…

Q: To what group of the Periodic Table is the element with the following successive ionization…

A: Successive ionization energies (kJ/mol) are 786 (IE1), 1581(IE2), 3236 (IE3), 4360 (IE4), 16000…

Q: The atomic number of iron is 26. Which of the following is the correct electronic configuration for…

A: Atomic Number of Iron = 26 Symbol : Fe Electronic Configuration of Fe3+ = ?

Q: Veff (r) (eV) 80 60 40 20 -20 -40 -60 -80 The following figure was presented in lecture. Zeffe²…

A: Given is a curve of  for sodium.To find the curve which represents the core electrons of sodium we…

Q: Which atomic orbital corresponds to this set of quantum numbers in a ground state atom of boron? (2,…

A: Set of Quantum numbers of atomic orbitals guide to determine the structure of corresponding…

Q: Which atom has the largest radius?   Question 10 options:   Mg…

A: The atomic radius is a measure of the size of an atom, usually the mean or typical distance from the…

Q: smallest atomic radius

A:

Q: An element in its ground state has electron configuration: [Ar]4s²3d³ What is this element's…

A: Given a ground state electronic configuration of an element is [Ar] 4s2 3d3 We have to write the…

Q: Which of the following statements is TRUE? Select one: The first ionization energy of Mg is greater…

A: False. Because across the period, size decreases and nuclear attraction increases. More energy is…

Q: 1A H 2A Be 3B 4B 5B 6B 7B Recheck 8B 4th attempt 3A 1B 2B Next (1 of 4) Show Approach B 4A 5A 6A CN…

A: The objective of the question is to find the electron configuration of Fluorine (F) in spectroscopic…

Q: An atomic cation with a charge of +1 has the following electron configuration: [He] 2s²2p¹ What is…

A: Detail

Q: Understanding periodic trends in atomic size Re-order each list in the table below, if necessary, so…

A: General Periodic trends in atomic size of atoms/ions:  Atomic size in group: atomic size of…

Q: A researcher is studying the ionization energies of a certain element. She finds that the ionization…

A: Ionisation energy is defined as amount of energy required to remove the most loosely bound…

Q: -The element Na (R=1.0 Angestom, charge +1) can substitute easily for Select one: O a. K (radius…

A: a , option is correct.

Q: When the equation Fe2(C204)3 → FeC204 + CO2 is balanced with the smallest integer coefficients, the…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Br Cu Sn In Si npossible to determine C P Ga When comparing the two elements In and P, the larger…

A: Answer:- This question is answered by using the simple concept of periodic trends which involves the…

Q: Specie Ranking Br, Rb, Kr Sr, Ca, Rb Na*, Mg²*, Al³“, F- Cu²*, Cu* Ca²*, Sr²*, Cs*, Ba²+

A: ATOMIC RADIUS: The distance of an atom which is measured from the nucleus to the outer electronic…

Q: Part A: Which of the following elements has the highest ionization energy Cesium, Cs (#55)…

A:

Q: Which atom has the largest (first) ionization energy? Group of answer choices Mg Sr Si S

A:

Q: An element in its ground state has electron configuration: [Ne]3s² What is this element's chemical…

A: Given a ground state electronic configuration of an element is [Ne]3S2. We have to write the Symbol…

Q: In which of the following locations in the Periodic Table is the element that has the following…

A: In periodic table vertical column 》GROUPS                               horizontal column 》periods…

Q: which four atoms have the greatest ionization energy

A: Ionisation energy:- Ionization enthalpy is the energy required to remove an electron from the…

Q: Why is Li-6 less abundant than Li-7

A: Given that Li-6 is less abundant than Li-7

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: Given ; atoms and ions

Q: Question 2 2. The number of unpaired electrons in a ground state chlorine atom (Z - 17) is 00 O5 O1…

A: Given that -  Chlorine atom, Cl.  We know that Chlorine is the second element of halogen family with…

Q: In which of the following locations in the Periodic Table is the element that has the 22. following…

A:

Q: Arrange the atoms in the following groups in order of increasing size (atomic radius): 1. As, N, F…

A: To solve this problem we have to know about the periodic trends of atomic radius in the periodic…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.