IMore violently Nate emental calcium. Which of the following best explains this dif- ference in reactivity? (i) Calcium has greater metallic character than does barium. (ii) The electron affinity of calcium is smaller than that of barium. (iii) The first and second ionization en- ergies of barium are less than those of calcium. (iv) The atomic radius of barium is smaller than that of calcium. (v) The ionic radius of the barium ion is larger than that of the calcium ion.

Q: How many valence electrons does this element have?

A: Given electron configuration :-  1s22s22p63s23p63d104s24p5  Total electrons = 35  so, the atomic…

Q: (a) The electronic configuration of a certain element known as element A, is            1s22s22p3.…

A: Hello. Since your question has multiple parts, we will solve the first question  for you. If you…

Q: Select the ions or atoms from the following sets that are isoelectronic with each other. (a) (b)…

A:

Q: Choose the larger atom or ion from each pair.(a) K or K+(b) F or F- (c) Ca2+ or Cl-

A: a. K has the atomic number as 19 and the K+ is a caption which looses one electron from the 4s and…

Q: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

A: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

Q: State wetaher each of the following properties of the representative elements generally increases or…

A: When we go from top to bottom in a group atomic size, metallic character increases whereas…

Q: Choose the element with the higher ionization energy from each pair.(a) Al or In (b) Cl or Sb (c) K…

A: Chemical and physical properties of elements present in the same group which are related to their…

Q: Identify each statement as true or false: (a) Ionization energiesare always negative quantities. (b)…

A: A) Ionization energies are always negative quantities. False Ionization energy is always be positive…

Q: Consider the general valence electron configuration of ns2np5 and the following statements:(i)…

A: The general valence electron configuration of ns2 np5 : Halogen groupElements with this electron…

Q: Draw the partial (valence-level) orbital diagram, and write the symbol, group number, and period…

A: (a)

Q: Which of the following elements is expected to have the highest SECOND IONIZATION ENERGY:…

A:

Q: Which atom’s valence electrons experience the greatest effective nuclear charge?(a) the valence…

A: Effective nuclear charge refers to the net charge experienced by the electron in an multi-electron…

Q: The bars in the graph at right represent the relative magnitudes of the first five ionization…

A: In the graph there is a sudden increase in the 4th ionization of elements after 3rd ionization…

Q: Arrange in order of increasing ionization energy. (Use the appropriate symbol to separate…

A: The ionization energy is the energy required to remove an electron from an atom or ion in the…

Q: Using only a periodic table, rank the elements in each set by increasing ionization energy.  Explain…

A: This question belong to classification of elements and periodicity. Ionization Energy: Amount of…

Q: (1) Sr4 (2) P+6 (3) 0-8 (4) Fe3

A: The electronic configuration for the above ions

Q: How many valence electrons are in each element?(a) Ba (b) Al (c) Be (d) Se

A: Since you have asked a question with multiple parts, we are solving first three parts for you. For…

Q: 1. Atomic radius and ionization energy are two important properties of an atom that are periodic in…

A: Ionization energy is the energy which is required to remove the electron from an atom. The removal…

Q: There are some exceptions to the trends of first and succes-sive ionization energies. For each of…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The table below shows the first ionization energy of Group 1 elements. Explain the trend of the…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: Rubidium and bromine atoms are depicted at right. (a) What monatomic ions do they form? (b) What…

A: Periodic table is the arrangement of atoms in groups and periods according to their increasing…

Q: Rank the elements in each of the following sets in order of increasing atomic radius. (Use the…

A: Since on moving left to right in the period of periodic table, the size of atom decreases as the…

Q: Be sure to answer all parts. The following graph depicts the relative magnitudes of the first five…

A:

Q: (a)

A: Ionisation energy is the energy which is required to remove electron from its Valence shell

Q: Using only their location in the periodic table, rank the atoms in each set by decreasing atomic…

A: Given :  (a) Mg, Be, Ba (b) Se, Br, Cl (c) Ca, Se, Ga  we have to arrange the given atoms in order…

Q: Draw the partial (valence-level) orbital diagram, and write the symbol, group number, and period…

A: Modern periodic table has 18 groups and 7 periods. The modern periodic table is classified on the…

Q: Which of the following correctly represents the electron affinity of phosphorus? A) P (g) → P+ (g)…

A: Electron affinity is defined as change in energy when an electron is added to isolated gaseous atom…

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

A:

Q: The ionization energies of an unknown third period element are shown here. Identify the element. IE1…

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

Q: Consider the isoelectronic series Ca2+, Sc3+, Ti4+, V5+. Arrange these species as follows. (Use the…

A: Answer :- a) Ionic radius :- It is the distance of the outer most shell of an cation or anion from…

Q: Explain the relationship of the first ionization energy of an element and its atomic number.

A: Ionization energy is the energy required to extract an electron from the valence shell and atomic…

Q: Write the condensed electron configurations of the parent element and the ions Rank the jons in…

A:

Q: Describe and explain each of the following atomic properties of the representative group of elements…

A: Atomic size is the distance between the nucleus of the atom and the valence shell containing…

Q: In the table below, I1 – I6 represent first 6 ionization energies of a certain element. All units…

A: The minimum amount of energy required to remove the loosely bound electron from an isolated gaseous…

Q: Which one of the following equations represents the electron affinity of chlorine? A. 2. C(g)+ é -…

A: The energy released when an extra electron is added to a neutral atom or molecule in the gaseous…

Q: ( a ) Eva l u a te t h e expre s s i o n s 2 * 1, 2 * 11 + 32,2 * 11 + 3 + 52, and 2 * 11 + 3 + 5 +…

A: (a) In the expression, the total number of valence electron is calculated in which 2 is the number…

Q: Arrange the following sets of ions in order of decreasing ionic radii. (a) Br¯, Cl¯, 0², s²- S2- >…

A: Arrange the given ions in order of decreasing ionic radii --

Q: (a) Like first member of other groups, boron also differs from rest of the members of its group.…

A: Boron belongs to group 13 in modern periodic table. Other element of this group are Al,In,Ga etc. In…

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: 7. Transition elements come from the d block. Examples of d block elements are manganese, cobalt,…

A: Electronic configuration is written by filling the electrons into the orbitals in increasing order…