(g) A different element, L, is located in the same row of the periodic table as element E, but L has roughly half the atomic mass of E. Is the atomic radius of L less than, equal to, or greater than the atomic radius of E? Justify your answer using principles of atomic structure. I x? x, 5 Ω 0 / 10000 Word Limit (h) The ionic radii of elements E and a different metallic element, M, are shown in the following table. Both elements form oxides, E20 and MO. If lattice energy is defined as the energy required to separate an ionic solid into individual separate gaseous ions, would the lattice energy of MO be less than, equal to, or greater than the lattice energy of the oxide E2O? Justify your answer in terms of Coulomb's law.

Q: Which statements completed with a to e will be true and whichwill be false?In Group 4A (14), an atom…

A: The answer is option b. , which is ionization energy. Because, Ionization energy(I.E.) is the energy…

Q: Explain the trend in effective nuclear charge (Z*) going from left to right across periods in the…

A:

Q: Which element in each of the following sets would you expect to have the highest IE2? (a) Na, Mg, Al…

A: The elements in a  set with  highest second ionization energy has to be selected.

Q: 12 What element belongs to the s block? a. aluminum b. boron C fluorine d. helium 13. What element…

A: 12) The elements belonging to s block hydrogen are (H), lithium (Li), helium (He), sodium (Na),…

Q: What does presenter say about the relationship between the number of valence electrons of the…

A: Main group elements consist of s-block and p block elements. s-block elements consist of alkali and…

Q: Group the electronic configurations of neutral elements in sets according to those you would expect…

A:

Q: 3. (a) Sketch the s orbital and the 3 types of p orbitals. (b) Which of the quantum numbers…

A: #3: (a): There is one type of s-orbital that is spherical in shape and 3 types of p-orbitals that…

Q: Put the following atoms and ions in order of increasing ionic radius: Br, Rb+, Se, Sr+, and Te O Rb+…

A:

Q: Give the symbol of the element that has the largest atomic size in Group 3A

A: as we move left to right in a period, atomic size decreases due to increase in the effective nuclear…

Q: 4. Darium (Da) is the name given to the hypothetical element with an atomic number of 120. It should…

A: As per IUPAC system, element with atomic mass 120 is named as "Unbinilium". According to the…

Q: The formula for calculating the energies of an electron in a hydrogenlike ion is given in the…

A: For muli electron atom ,z is replaced with z-s. S is shielding constant value.

Q: Despite the expected decrease in atomic size, there is an unexpected drop in IE1 values between…

A: Ionization enthalpy, IE, is also called ionization potential is the ability to remove the electron…

Q: 11. What is the ground state electron configuration for the Fe2+ ion? а. [Ar] 4s23d4 b. [Ar] 3а6 c.…

A: Atomic radius is defined as the distance from the centre of nucleus to outermost shell of atom.

Q: If oxygen has energy levels E1=5.26 x 10^-18J and E2 = 6.96 x 10^-18 J what wavelength of…

A:

Q: If the experimentally determined Bi-I distance in bismuth triiodide is 2.81Å , predict the atomic…

A: In the given question we have to predict the atomic radius of I from the given compound bismuth…

Q: List the following ions in order of increasing ionic radius: N3, Na *, F,Mg",0?.

A: The order of ionic radius : N3- , Na+, F- , Mg 2+ , O2-

Q: A…

A:

Q: Which element has the largest atomic radius? explain your answer in a separate sheet. O H O F O Na

A: Given :- symbol of elements H, F, Na and O  To identify :- element with largest atomic radius

Q: Moseley established the concept of atomic number by studyingX rays emitted by the elements. The X…

A: a.

Q: 2. Consider the transition for the H atom from n=4 to n=2. a) What would be the theoretical change…

A: Given-> n(initial) = 4  n(final) = 2

Q: Would you expect the Sr2+ ion to be larger, smaller, or about the same size as the Kr atom? Same…

A: The size of an atom is defined by its atomic radii, in the case of ions, it is given by ionic radii.…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A:

Q: Arrange 11Na, 4Be, and 12Mg in order of increasing atomic radius OA NaBe>Na OD. Mg>Na>Be

A: Be has smallest size among these three.  Be has only 4 electrons so it will have only two shells,…

Q: 3. An element which shows a diagonal relationship with berylliun is A Oxygen B Magnesium C Вогon…

A: Diagonal  relationship A diagonal relationship is said to exist between certain pairs of…

Q: 4. Why do you suppose that larger elements such as neon produce more color bands (i.e. line spectra)…

A: 4. Given that : We have to tell why do larger elements like neon produce more color bands than…

Q: Which atom has the smallest atomic radius P CI Si S How many protons neutrons and electrons does the…

A: the detailed answer is attached below.

Q: The Ionic radius of Li+ is close to the ionic radius of A) Na+ B) Be 2+ C) Mg 2+ D) Al 3+

A: The distance from the nucleus of an ion up to which it has an influence on its electron cloud is…

Q: The first five ionization energies (IE, through IE,) of a Period 4 element have the following 1 ll…

A: cobalt

Q: Provide brief (1-2 sentence) explanations for the following observations. Your explanations should…

A:

Q: 2- If the electronic structure of polonium Po is '6s 4f 5d1° 6p [1], then the number of electrons in…

A: Electronic configuration is defined as arrangement of electrons in shell, subshell and orbitals.

Q: (a) What trends, if any, exist for Z(eff )across a period and downa group? (b) How does Z(eff)…

A: Z(eff) is the net attractive force exerted by the nucleus on the valence electrons.

Q: CUlIsidel le 10nownng Uruerngs. I. F<Cl <Br<I II. Li <Be <B <C III. Te < Se < S<0 Which of these…

A:

Q: 4. As you move across the periodic table, from left to right, (A) do the atoms get smaller or…

A: 1. As we move left to right in a period, the size of atoms gets smaller. Explanation: As we move…

Q: The alkali metal with an electron configuration of [Xe] 6s¹ is:

A:

Q: 3. What is the effective nuclear charge on 3(a) the outer two electrons of B?  3(b) the inner two…

A: Given element is Boron , B Atomic number = 5 Electronic configyration : 1s22s22p1

Q: At first glance, we expect the Zeff of a valence electron of sodium (Z = 11) to be 1 but in reality,…

A: In the case of sodium (Na) atom, a valence electron is present in 3s-orbital and the total number of…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A:

Q: A. If an element with the valence configuration 4s'3d10 loses 2 electron(s), these electron(s) would…

A: Element first looses electron from outermost shell and then from the n-1 shell Element accepts…

Q: Before Mendeleev published his periodic table, Döbereiner grouped elements with similar properties…

A: Döbereiner was among the first who arranged the then known elements in groups of three and called…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A:

Q: Which element would you expect to be more metallic? (a) Ra O Mg (b) O I O Br (c) In Al

A: Metallic character decreases as we move across a period in the periodic table from left to right.…

Q: In a plot of IE1 for the Period 3 elements , why do the values for elements in Groups 3A(13) and…

A: Ionization energy is the amount of energy required to remove an electron from the outermost shell of…

Q: Arrange 11Na, 4Be, and 12Mg in order of increasing atomic radius O A. NaBe>Na O D. Mg>Na>Be

A:

Q: 5. Placed the elements N, O, As, Se in order from least to greatest atomic radius. a. N<0<As < Se b.…

A: The question is based on the periodicity of elements. we have to arrange the given atoms in…

Q: Which of the following does have the lowest  ionization energy?  Z of Te = 52, I = 53, V = 23

A: Ionization energy is the minimum amount of energy required to pull the most loosely bound electron…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A:

Q: What is the wavelength of spectral line resulted from the electron transition from n=3 to n=2 in a…

A: The stepwise solution is provided in the following step.

Q: 3.Why is the ionization energy of Ca higher than that of K but lower than that of Mg?

A: As we move down the group in the periodic table atomic size is increased hence ionization enthalpy…