Arrange in order of increasing ionization energy (a) the Group 1A elements Na, Cs, and K(b) the Period 4 elements As, Ca, and Br

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: c) Oxygen and sulphur belong to the same group but oxygen is in Period 2 and sulphur is in Period 3.…

A: Ionization energy is simply determined as the energy required to eliminate one electron from the…

Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

Q: 5. a) Explain the term periodic trend when applied b) Explain why atomic radius decreases across…

A: On moving from lithium to fluorine, atomic redius decreases. This can be explained by considering…

Q: Explain why atomic radius decreases as we move to the right across a period for main-group elements…

A: In the main-group elements, the atomic radius decreases on moving from left to right across a period…

Q: Which of these has the largest first ionization energy: B, Al, C, Si?

A: An atom is composed of three main sub-atomic particles; electrons, neutrons and protons. The atomic…

Q: Which has the greater third ionization energy, Ca or S? Explain.

A: Removal of electrons from the valence orbitals of an atom requires energy. This is called the…

Q: Which of the following has the highest ionization energy.  a) ca or ga  b) Cl or I  highest…

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

Q: What are the properties of the element flerovium (the period 7 element in group 14)?

A: Flerovium Flerovium is an atomic number 114 chemical element with the symbol Fl. Flerovium, which is…

Q: The charges of a set of isoelectronic ions vary from 3+ to 3-. Place the ions in order of…

A: Isoelectronic ions are those ions in which the number of electrons are same. The elements lose…

Q: Explain why the ionization energy for hydrogen is much higher than that of other Group IA/1…

A: Ionization energy is the extent of energy which is essential to move the loosely bound electron…

Q: What is the electron configuration of As3−?

A: The electronic configuration represents how the electrons present are arranged in the sublevels of…

Q: Which of the following statements is (are) true about lithium, a Group I element of the Periodic…

A: Option 1 is correct Because the ionic salts give a deep red flame colour.

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: 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: List the the main-group elements?

A: The periodic table is defined as the representation of the elements classified into 18 groups and 7…

Q: Write equations that show the process for (a) the first twoionization energies of lead and (b) the…

A:

Q: Describe the chemical and physical properties of Potassium ?

A: Potassium (symbol K) is an element of the group 1 (alkali metals) of the periodic table. The atomic…

Q: 3. Write down the equation of the highest ionization energy of Sulfur (S) and explain why it is the…

A: Ne3S23P4→Ne+6e-

Q: A. A main group element with the valence electron configuration 4s' is in periodic group It forms a…

A:

Q: 3. Ва, Br, Be, в, Bі A. Decreasing ionization energy

A: 3. Decreasing ionization energy : Br > Be > B > Bi > Ba First ionization energy of Be =…

Q: Arrange the following elements in order of decreasing first ionization energy: S, Ca, F, Rb, Si.

A: Ionization energy is the energy required for the removal of electrons from the outermost shell of an…

Q: Summarize the acid-base behavior of the main-group metal and nonmetal oxides in water. How does…

A: When a metal forms a bond with an oxygen atom then the compound is known as metal oxide. The…

Q: Which of the following is NOT an anomalous property of the period 2 elements? Select one: Oa. The…

A: Answer

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

A: On going to left to right,size will be decreases

Q: Question attached

A: Given,

Q: State one reason why caesium has a larger covalent radius than sodium.

A:

Q: Arrange the following in order of increasing ionization energy: P, Ca, Cs, Ge, O, Ba

A: Ionization energy: It defined as the minimum amount of energy required to remove the most loosely…

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

A:

Q: In some forms of the periodic table, hydrogen is placedin Group I; in others, it is placed in Group…

A: Hydrogen is placed separately in the periodic table.It shows similarities to both group 1 and…

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: xplain the characteristics of Group X elements

A: This question is related to alkali metals.

Q: Arrange the following elements in order of increasing atomic radius: Al, B, C, K, and Na?

A: In periodic table, down the group atomic radius increases due to increase in number of shells.…

Q: Among the following, the element with the highest first ionization energy is:

A: We have to tell which option is correct from given choices having highest ionisation energy

Q: Which of the following elements has the smallest atomic radius? As B Na Mg Br

A: The B (Boron) and Na (Sodium) has the smallest atomic radius.

Q: Arrange Be, C, K, and Ca in order of increasing atomic radius

A: Order of increasing atomic radius  C &lt; Be &lt; Ca &lt; K

Q: Group 7A. What properties of hydrogen justify each of these placements?

A: Introduction :  Hydrogen is the first element in the periodic table, it is the smallest element…

Q: Give the properties of the oxides in a particular period.

A:

Q: (a) Briefly describe how the atomic radii and ionization energies of group 1A(1) elements compared…

A: Go to 2 step for your answer . Thanku)

Q: Identify the group, period, block, and identity of each element, the characteristics of that type of…

A:

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…

Q: List the characteristic properties of noble gases, alkali metals, halogens, and alkaline earth…

A: The characteristic properties of noble gases, alkali metals, halogens, and alkaline earth metals…

Q: Which has the lowest first ionization energy, B, Al, C, or Si?Which has the highest?

A: The given atoms are B, Al, C and Si in which B and Al are of group 13 elements and C and Si are of…