Which atom should have the larger second ionization energy: sodium or magnesium?  Why?

Q: Rank the following five elements by ionization energy. Rank from highest to lowest ionization…

A: Ionisation energy is defined as the energy required to remove an electron from its gaseous element.…

Q: Explain the exception in the ionization energy trend for the following elements: Magnesium, Nitrogen…

A: Ionization energy is the energy required to remove the outermost electron from an isolated gaseous…

Q: Which element has a neon core and five valence electrons in its ground state electron configuration?

A: The electrons that are present in the shell of noble gases are 2,10, 18, 36, 54 and 86 for He, Ne,…

Q: How many unpaired electrons are there in a germanium atom in its lowest energy state? a. zero b. one…

A: Atomic number of Germanium (Ge) = 32

Q: true or false

A: Given statement: Electrons in a multi-electron atom are placed in orbitals in order of increasing…

Q: Which substance has the larger first ionization energy, sodium or rubidium? Why?

A: Sodium has the larger first ionization enegy as compare to rubidium

Q: For each of the following pairs of elements pick the atom with: (Mg and K)  and  (F and Cl) more…

A: Given pairs of elements: (Mg and K) and (f and Cl) We have to pick the atom with: more favorable…

Q: electron affinities (the energy associated with gaining anelectron) of the period 3 elements. Refer…

A: The electron gain enthalpy of an element may be defined as the energy released when a neutral…

Q: Which one of the following statements is INCORRECT? A. Ionization energy is always a positive value.…

A: Given: Ionization energy.  To find : incorrect statement about ionization energy.  Solution : As we…

Q: Arrange the elements according to their first ionization energies. K, Al, O, C.

A: First ionisation energy is the amount of energy required to remove first electron from the otermost…

Q: What is ionization energy? What is the difference between the first ionization energy and second…

A: Valence electron can be removed from the neutral atom resulting in formation of cation.  The energy…

Q: Which of the following statements are true according to the quantum mechanical model of the atom?…

A:

Q: Draw the orbital diagram for the following particles A vanadium atom

A: Draw the Vanadium = 23 orbital diagram

Q: Of the elements: C, F, Li, and Na, the element with the highest ionization energy i

A: Across the period ionisation energy increases due to decreasing size of the elements resulting from…

Q: Which of the following atoms is expected to have a positive electron affinity? (ie, adding an…

A: Electron affinity is defined as the energy released on adding an electron in the gaseous atom of any…

Q: Which main group atom would be expected to have the lowest second ionization energy?

A:

Q: Use the periodic table to write an electron configuration for each element. Represent core electrons…

A: The arrangement of electrons of an atom or molecule in atomic or molecular orbitals is known as…

Q: Which element in each pair has a larger ionization energy? (be sure you understand why) Bromine or…

A:

Q: What sub-atomic particle determines the identity of the atom?

A: The sub-atomic particle that determine the identity of the atom is Protons.

Q: What ion, after gaining two electrons will have the following electron configuration: 1s2 2s2 2p6

A: The element that has the given electronic configuration is, oxygen The electronic configuration of…

Q: Rank the following atoms in order of decreasing first ionization energies (i.e., highest to lowest):…

A: Atom The atom is the very fundamental unit of matter which exists in the universe. The atom is made…

Q: Referring to the periodic table, arrange the atoms Ne, Na, P, Ar, K in order of increasing first…

A: The atoms have to be arranged in increasing order of first ionization energy.

Q: In many-electron atoms, such as nitrogen, which orbital is the most effective in shielding other…

A: Since we know that the outer most electrons are attracted by the nucleus and at the same time they…

Q: Chlorine?

A:

Q: Using the symbol of the previous noble gas to indicate the core electrons, write the valence shell…

A: The atomic number of calcium is given as 20, we need to write the electronic configuration. First we…

Q: A ceramic plate has a shiny rim. The ceramic plate is mostly composed of silicon and oxygen atoms.…

A: The ionization energy of silver is IE = 7.5762 eV The ionization energy of carbon is IE =11,2603 eV…

Q: Which atom should have the lower first ionization energy:  oxygen or sulfur?  Why?

A: The details solution for this is provided below in step II.

Q: How does the electron configuration end for Sodium (atomic# 11)? How does the electron configuration…

A: Sodium - - > Electronic configuration - 1s22s22p63s1 The electronic configuration end for sodium…

Q: What do the values for ionization energy tell us about reactivity of the elements (both metals and…

A: The question is based on the concept of ionization energy. we have to explain the meaning of value…

Q: What are some elements that have atoms smaller than magnesium? Give at least four examples.

A:

Q: 21. Why do elements that have high ionization energies also have more positive electron affinities?…

A: Ionization energy is the minimum energy required to take out a valence electron(s) from an atom in…

Q: Compare the ionization energies of each pair of atoms. Enter the symbol for the atom with the larger…

A: 1. In F and B , F has larger ionization energy.As there are 7 electrons in outer most orbit of F and…

Q: indicate the valence electrons , core electrons and unpaired electrons in the ground state of…

A: The electron is considered as valence electron if it present in outermost shell of atom which gets…

Q: Why do successive ionization energies increase?

A: Ionization energy is the energy required to remove an electron from atom or ion.  First ionization…

Q: How electrons are in "s" orbitals in an atom with 28 electrons?

A:

Q: Predict the atomic number of the next alkali metal after francium and give its ground-state electron…

A: Atomic number is number of electrons (protons) in an atom. The atomic number of francium is 87 and…

Q: Write the complete electron configuration for the follwing. a. sulfur b. potassium c. nickel d.…

A: ◆ Electronic Configuration is the distribution of electrons in the energy levels of the atom. The…

Q: Which atom will have a greater ionization energy? O Calcium Barium

A:

Q: Which requires more energy: removing a valence electron from its atom or removing an electron from…

A: The outermost shell of any atom is Valence shell and the electrons present in that shell are called…

Q: What is the difference between the core electrons and valence electrons ? Why do we emphasize the…

A: 1.1 Core electrons are the electrons in an atom that are not valence electrons and do not…

Q: Draw atomic orbital diagrams representing the ground-state electron configumtionfor each of the…

A: The ground state electronic configurations of the elements are as follows- 1. Na - 11- 1s2 2s2 2p6…

Q: Use orbital diagrams to show the number of unpaired electrons in an atom of S

A: Electronic configuration of S ion is 1s22s22p63s23p4

Q: Rank the following atoms in order of increasing ionization energy, from lowest to highest: S, Se, O,…

A: Atoms consist of protons, electrons and neutrons. Protons and neutrons present in nucleus of atom…

Q: Is ionization energy a periodic property because ground-state electron configuration is a periodic…

A:

Q: Write the complete ground-state electron configuration of magnesium.

A: Electron configuration is the distribution of electrons in various orbitals according to increasing…

Q: Consider the electron configuration of a sulfur atom. How many core electrons does it have?

A: Answer -  electron configuration - The electron configuration of an element describes how electrons…

Q: What is the problem with multi-electron atoms?

A: In the early 20th century Bohr model of the atom was a leading contender in explaining the…

Q: In electrons configuration, what is meant by “core electrons”? Support your explanation by using the…

A: In a electronic configuration of an atom except valance electron all electrons that do not take part…