How many core and valence electrons do each of the following have:

Q: In the following set of elements, rank them from LOWEST first ionization energy to HIGHEST first…

A: definition : ionization energy is the minimum amount of energy required to remove the most loosely…

Q: What element is represented by 1s22s22p 3s²3p6 0 Kr OS O Sc+3 00 O Br

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

Q: How many core and valence electrons does one atom of iodine (1) have? 7 core and 36 valence 46 core…

A: Outermost shell containing electrons are known as valence electrons and except valence electrons…

Q: Effective nuclear charge of: 3p electrons in chromium 3s electrons in cobalt 2s electrons in…

A: Zeff can be calculated by slaters Rule in any element .          Formula for Zeff   = atomic Number…

Q: ow many valence electrons are there in group 2 elements? A 1 B 2 C 4 D 8

A: Group 2  element are also known as alkaline earth metal.beryllium ,magnesium ,calcium,…

Q: What is the maximum number of electrons that can be contained within the 3d subshell of an atom? 0 1…

A: Given What is the maximum number of electrons that can be contained within the 3d subshell of an…

Q: 8. Which correctly matches the proton, neutron and electron to its location, charge and relative…

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: 1. Give the electron configuration for the following atoms using appropriate noble gas inner core…

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

Q: Which Lewis electron-dot diagram is drawn correctly for the atom it represents? Hint: The number of…

A: Explained the Lewis dot structure for each elements and described correct one as follows

Q: An atomic cation with a charge of +2 has the following electron configuration: 1s²2s²2p° How many…

A: The electron configuration of +2 charged cation is as follows: 1s² 2s² 2p⁶

Q: Which of the following shows the arrangement of electrons in beryllium (Z = 4)? (s, p. d. frepresent…

A:

Q: If the core electrons were 100% effective at shielding the valence electrons from the nuclear charge…

A: GIVEN:- If the core electrons were 100% effective at shielding the valence electrons from the…

Q: lodine has an electron configuration of 1s? 2s? 2p® 3s? 3p® 4s? 3d10 4p® 5s² 4d10 5p5. How would…

A: Which is correct option regarding that, how p5 differ ?

Q: The first five successive ionization energies of a certain element are: I1 = 589.5 kJ/mol, I2 =1145…

A: In such questions, the rule is to find the number of valence electrons based on the ionisation…

Q: Consider starting with a fluorine atom with 9 electrons. If it were possible to remove one proton…

A: The addition of electron or removal of proton will change the atom radius because of change in…

Q: An element has the following electron configuration: 1s2 2s2 2p 3s2 3p 4s2 3d10 4p 5s2 4d7 Which of…

A: Please find your solution below : The given electronic configuration of element corresponds to…

Q: Write the valence shell electron configuration of each of the following elements, basing your answer…

A: In these question, first of all we write the electronic configuration of each element then compare…

Q: Rank the elements according to their metallic character. Pb Si Most metallic Least metallic Answer…

A: • As we move from top to bottom in a group, the atomic size increases and hence, the ionisation…

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

A: The ionization energy of elements along a period increases from left to right because of stability…

Q: What is the electron arrangement for the element that has two more protons than carbon?

A: Introduction Electron arrangement refers to the way in which electrons are arranged in an atom or…

Q: Please order the following ionization energies based on magnitude: IE₁(Be), IE₁(Li), IE2(Li)

A: We have ask to arrange the given ions according to ionization energies (based on magnitude). Answer…

Q: 9% ר ווקרווווונסון רבמן9 Name the element in the second period of the periodic table with 5 valence…

A: The objective of the question is to identify the elements in the periodic table based on the given…

Q: Which element has the same electron configuration as Krypton, but has a -2 charge?

A: Anion - Species which carry negative charge called anion  Total electrons of anion = Atomic number +…

Q: Arrange atoms C, K, Ge, Cs in order of: decreasing atomic size:

A: Distance from the  centre of nucleus of an atom to the outermost shell is termed as atomic size.