5) Which of the following elements has the largest number of electrons in n = 3? Na, Al, Si, Cl, Ar, Zn

Q: 2.1. A neutral atom has the following electronic configuration: 1s 2s 2p° 3s 3p (a). How many…

A: Given electronic configuration : 1s2 2s2 2p6 3s2 3p5

Q: How many 5p electrons are in Ba?

A:

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

A: Given :  Chemical element with atomic Number 92 or less

Q: a. How many neutrons are in K-41?b. Write the electron configuration for potassium.c. Which is the…

A: The electron, proton, and neutrons are known as the subatomic particles present in the nucleus of an…

Q: Determine the maximum number of electrons are in the n 5 shell?

A:

Q: Does any element with zs 92 match the description? If you checked yes, give the symbol of an element…

A: From periodic table we can get the position and electronic configuration of the atom .

Q: What is the chemical symbol of the element found in the 4th family and 5th period of the periodic…

A: Carbon family is called 4th family and there elements are C , Si , Ge , Sn , Pb , Fl

Q: (Q76) Which of the following elements would be expected to have a particularly large energy gap…

A: IE3 and IE4 means third and fourth ionization energy.  Large energy gap between IE3 and IE4 is only…

Q: How many 3d electrons are found in each of the following elements? a. nickel, Z = 28 b. vanadium, Z…

A: a. Nickel ( Ni ) , Z = 28  b. Vanadium ( V ) , Z = 23  c. Manganese ( Mn ) , Z = 25  d. Iron ( Fe )…

Q: 3-(a) Write out the full electron configuration of Calcium (Ca). (b) How many electrons are in the…

A:

Q: If the atomic number of magnesium is 12 , the outer s p shell in the electronic configuration is a)…

A:

Q: An element with the electron configuration [Xe] 6s 4f145d would belong to which class on the…

A: Given :- electron configuration of an element = [Xe]6s14f145d9  To identify :- class of that element

Q: 7.92 For each pair of elements listed, give three properties that show their chemical similarity:…

A:

Q: 1. To what group in the periodic table do the elements listed belong ? 2. Why these elements are…

A: The elements listed are called inert gases and belong to the group 18 of the periodic table. They do…

Q: Order these elements from highest to lowest ionization energy 1 | Chlorine, CI | Fluorine, F 3 |…

A: The ionization energies (in kJ/mol) of F,Cl,Br and I are 1681,1255,1140 and 1008 respectively. So…

Q: How many valence electrons do each of the following elements have? (a) C (b) S (c) K (d) I (e) B

A: Answer:- This question is answered by using the simple concept of calculation of valance electrons…

Q: 3. How many valence electrons are there in: Si and P?

A: Valance electrons in Si and P

Q: Order these elements from lowest to highest ionization energy | Fluorine, F | Bromine, Br 3 |…

A:

Q: An atomic cation with a charge of +1 has the following electron configuration: [Ne] 3s

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

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

A: The trend in atomic size in a periodic table is as follow- The atomic size in same group going from…

Q: How many 4d electrons are there in Pd2+? What +2 ion in the fourth period has the same number of 3d…

A: There are 118 chemical elements in a periodic table. The periodic table is divided into 18 groups…

Q: Identify the sub-shell in which electrons with the following quantum numbers are found: n=2, I=0 3p…

A: n = 2  L = 0  Identify the sub - shell which have above quantum number = ?

Q: What element has 6 electrons in its highest energy shell? O Magnesium Oxygen Nitrogen O Aluminum

A: Here we are asked which element has 6 electrons in its highest energyshell from the given options.

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

A: last 2 questions , you have already done correct. anion is larger then its neutral atom and cation…

Q: How many valence electrons are there in an atom of As (Z = 33

A: Given, Arsenic , As having atomic number 33 We can determine the number of valence electrons of the…

Q: An atomic anion with a charge of -2 has the following electron configuration: 1s 25 2p What is the…

A: The electron configuration of an element is written following the Aufbau principle, Pauli exclusion…

Q: Identify the sub-shell in which electrons with the following quantum numbers are found: n=3, I=1 2s…

A: Principal quantum number(n): The shell of an atom is presented by the principal quantum number 'n'.…

Q: (Q75) Which of the following elements would be expected to have the highest first ionization energy…

A:

Q: 6. How many protons, electrons, and neutrons does "K* have

A:

Q: Which of the following does have the largest size?

A: In the periodic table,  Top to bottom atomic size increases,  while left to right atomic size…

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

A: There are chemical element with atomic number of 92 or  less than and that matches with a…

Q: Fill in the table with the corresponding sets of quantum numbers of the outermost valence shell.…

A: Fill in the blanks by using quantum number of the element---

Q: How many electrons can the following quantum numbers have in an atom: n = 4 and 1 = 2 O 14 electrons…

A:

Q: The lanthanides are a series of elements in the periodic table, from Z = 57 to Z = 70, that appear…

A: Elements in the period table the fills electrons in its valence f subshell are called lanthanides or…

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: description Does any element with Z ≤ 92 match the description? If you checked yes, give the symbol…

A: Group 4A contains the non-metal carbon, themetalleids silicon (Si) & Germanium , the metalstin k…

Q: What is the maximum number of electron in n=3? (Third pell)

A: Given question of n=3 shell We have to maximum number of electrons.    formula of a number of…

Q: How many electrons are in the n=4 shell of Se? A. 0 B. 4 C. 6 D. 2

A: "n", the principal quantum no., represents the main energy level (shell) in which the electrons can…

Q: 1. Which of the following should be the larger atom? Why? Sodium vs: Chlorine- Lithium vs. Cesium

A:

Q: . Rank the size of the following atoms and ions – C, C'. F', Na*, Rb*

A: Since we know that atomic size gradually decreases from left to right across a period of elements…

Q: 8 - Which of the following is incorrect?   A) The electron configuration of the element Sr ends…

A:

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

A: We have to arrange the following elements and ion in decreasing order of their size.

Q: How many electrons are in 99Tc+?

A: Every element has electrons equal to its total atomic number given in the periodic table.

Q: the n=2 shell of an atom may contain up to ______ electrons

A: • We need to determine the n=2 shell of an atom may contain how many electrons.

Q: Give an example of an atom whose size is smaller than fluorine.

A: Atomic size of an atom is defined as the distance between valence shell of the atom and the nucleus…

Q: . Which of the following will have an electron configuration ending with 2s? 2p°? a. Argon Atom d.…

A: Electron configuration is the distribution of electrons of an atom or molecule in atomic or…

Q: Which one of the elements below has a single atom as its representative particle?  A) nitrogen B)…

A: The given elements are Nitrogen, iron, argon and Phosphorus.

Q: 1) Arrange the following groups of atoms in order of increasing size. a. Rb, Na, Be b. Sr, Se, Ne c.…

A: Given:-             (a)  Rb , Na , Be                                      This element consists of…

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

A: Note: Group 1A to 8A all have atomic number ⩽92.  Group 1 and 2 constitute the metals: a). Group 1…