Does the reaction of a main-group metal oxide in water produce an acidic or a basic solution? Write a balanced equation for the reaction of a Group 2A(2) oxide with water.

Q: How can iodine (Z = 53) have a higher atomic number yet a lower atomic mass than tellurium (Z = 52)?

A: An atom is made up of three particles namely, protons, neutrons, and electrons. The protons and…

Q: What is the ground state valence shell electron configuration of a group 4A element

A: The s orbital of the group 4A element has 2 valence electron and the p orbital has 2 valence…

Q: Ar> Rb >In>P Ar>P> in ?Rb In 7 P 7 Rb > Ar アフ In 7 Ar> R6 Rb 7 In > P > Ar ト

A: The question is based on periodic properties of the element. we have to arrange the elements in…

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: 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: What trend did you observe in the reactivity of the halogens from top to bottom in Group 7A? Explain…

A: The size of the nucleus increases down a group (F < Cl < Br < I < At) because the…

Q: What is the first ionization energy of your element? What are the most prevalent isotopes of your…

A: Part: (i) Ionization Energy: The energy which is required to remove one electron from its outermost…

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: 10. Which one of the following species is not isoelectronic E. 0²- A.Mg2+ B. SI²* with neon? C. Na*…

A: Species which have the same number of electrons are called isoelectronic species.

Q: True or false: The ionization energies of the Group 3A family is lower than the Group 2A family

A: Given,  The ionizatiThe ionization energieson energies of the Group 3A family is lower than the…

Q: Which fourth period representative element has the highest atomic number? a)ca b)zn c)pb d)kr

A: From the given elements, representative elements are Ca and Pb. Zinc is a transition element and…

Q: Arrange the following elements in order of decreasing ionization energy. a. Cs, Li, K c. Ct, Si, P,…

A: Ionisation energy is the minimum amount of energy required to remove an electron from valence shell…

Q: For each of the following pairs, indicate which element hasthe smaller first ionization energy: (a)…

A: The first ionization energy is the minimum energy required to remove the electron from an isolated…

Q: 5. An atom of which of the following elements has the smallest atomic radius? a. Cl b. Rb c. Mg d.…

A: Atomic radius is the distance between the center of nucleus and valence electron in the outermost…

Q: What alkaline earth metal is located in period 4 of the periodic table of elements? اختر احدى…

A: The question is based on the concept of inorganic chemistry. We have  to identify the alkaline earth…

Q: On the basis of periodic trends, determine which element in each pair has the higher first…

A: Since we answer only up to 3 sub-parts, we'll answer the first three. Please resubmit the question…

Q: 2)Why did the observed chemistry of thallium mislead Mendelev to place the group 13 element (Tl) in…

A:

Q: All of the following statements concerning the characteristics of the halogens are true except…

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

Q: Does the reaction of a main-group nonmetal oxide in water produce an acidic or a basic solution?…

A: All nonmetals form covalent oxides with oxygen that react with water to form acids (or) with bases…

Q: How can iodine (Z=53) have a higher atomic number yet alower atomic mass than tellurium (Z=52)?

A: lodine (Z=53) has a higher atomic number than tellurium (Z=52). But the atomic mass of iodine is…

Q: (ii) Lithium shows a diagonal relationship with magnesium, A) Why are these elements diagonally…

A: A.Following are the main reason of diagonal relationship shown by Li and Mg.

Q: Question attached

A: Given,

Q: Which element in each of the following sets would you expect to have the lowest third ionization…

A: Given elements are :  Which element in each set have the lowest third ionization energy (I.E3) = ?…

Q: Some versions of the periodic table show hydrogen at the topof Group 1A(1) and at the top of Group…

A: Hydrogen is an element that is present in Group 1A (or) group 1 of the periodic table. Halogens…

Q: Which ions are isoelectronic with Xe? I-,   Ba2+,   Rb+,   Te2+

A:

Q: he simpliest oxide for Fe2+ is FeO. How does one come to that conclusion?   The simpliest oxide of…

A: The simplest molecular formula of any compound is that which has the atoms in simplest ratio. In…

Q: which is the element with the lowest elecronegativity? WHICH OF THIS ANSWER IS CORRECT. A)…

A: Electronegativity is the property that measures the ability of an atom to attract the electrons…

Q: Which of the following ions is isoelectronic with Kr? A. Na+ B. S-2 C. Se-2 D. Ca+2

A: The ions and atoms which are having equal numbers of electrons are called the isoelectronic species.

Q: Choose the element with the higher first ionization energy in each pair.a. P or I b. Si or Cl c. P…

A: (a) First ionization energy of P > first ionization energy of I.   (b) First ionization energy of…

Q: Why is agron the smallest than the other elements in period 3?

A:

Q: What causes the changes in ionisation energy across period 2  elements?

A: Ionisation energy is the energy required to remove an electron from the outermost shell of an atom.…

Q: Which electron configuration represents an alkali metal? O 15232p3 O 15232p°3s23p! O 13232p°3s² O…

A: Alkali metals belong to s-block

Q: Which element would you expect to be more metallic?(a) Ca or Rb(b) Mg or Ra(c) Br or I

A: The metallic character is the tendency of an atom to lose electrons. as we moving from left to right…

Q: describe the change in the atomic radii for the elements in period 2 from lithium to neon

A: Atomic radius: The radius of an atom. This is the distance between an atom's nucleus and outer…

Q: Which element will display an unusually large jump in ionization energy values between I3 and l4,…

A: Ionization energy is the amount of energy required to remove an electron from an isolated atom or…

Q: Which of the following has the highest electron affinity?   F, Si, P or S.

A: Electron affinity is the amount of energy released when an extra electron is added to the neutral…

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: Which element would you expect to be more metallic?(a) S or Cl(b) In or Al(c) As or Br

A: Metallic character represents the tendency of element to behave as metal. It increases in a group…

Q: Could u help me with this question? 1) Provide the chemical symbol of a neutral element with only…

A: Atomic number = number of protons  in a neutral atom ;   number of protons = number of electrons…

Q: Which ion has the largest radius? Ca*2, Ca*1, Br", K* O A) Br O B) Ca+1 O C) K* O D) Ca+2

A: Given, Ca2+ , Ca+ , Br- & K+ we know that: Atomic/ ionic radius increases down the group in…

Q: Write balanced equations for the following reactions:potassium oxide with water,

A: The balanced equation is the chemical equation for a chemical reaction in which the no of atoms…

Q: Given the following information, identify the group from the periodic table that contains elements…

A: There are many trends in inorganic chemistry. These trends are atomic size, reactivity, metallic…

Q: Which ions are isoelectronic with Xe? Te2+ Rb+ O Ba2+

A:

Q: The reaction of cesium with chlorine is similar to that of sodium with chlorine. Write the balanced…

A:

Q: Which element in each of the following sets would you ex-pect to have the lowest IE₃?(a) Na, Mg,…

A: Ionization energy is the quantity of energy that an isolated, gaseous atom in the ground electronic…

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

A: Non metallic character : It is the tendency of elements to gain electron and form negative ions…