Which of the following combination of elements is the most reactive? Cs and I Na and Br Cs and Br K and I

Q: Which of the following atoms has the largest atomic radius?    P Mg  Sr

A: The given atoms are P, Mg, and Sr.

Q: Which of the following pairs of atoms include a metal and a non-metal? 4 a) K and O b) P and Cl c)…

A: Most of the elements of the periodic table are metals. The metals are situated on the left-hand side…

Q: Which of the following elements has the smallest ionization energy?    F Mg  H B Be

A: Ionisation energy is the minimum amount of energy required to remove the most loosely bound electron…

Q: B. Arrange the following elements according to their Periodic Trends Increasing Electron affinity…

A: Periodic table represents all the elements arranged in 18 groups and 7 periods. The arrangement…

Q: Which element is a main-group metal with an evenatomic number? (a) K (b) Ca (c) Cr (d) Se

A: The main group metal with an even atomic number has to be given,

Q: Which of the listed elements is most metallic?(a) Al (b) N (c) P (d) O

A: Which of the listed elements is most metallic? (a) Al (b) N (c) P (d) O

Q: which of these elements have the smallest atomic radius? silicon sodium cholrine sulfur phosphorus

A: The question is based on the concept of periodicity of properties. we have to identify the smallest…

Q: How many inner, outer, and valence electrons are present inan atom of each of the following…

A:

Q: Which of the following elements has the smallest first ionization energy?   A/  S B/ O C/ Si…

A: The question is based on periodic properties of elements. ionization energy is defined as the amount…

Q: Which of the following elements would be expected to be particularly stable? 37 O 17 40 Ca O 20 38 K…

A: A multiple choice question based on octet rule, which is to be accomplished.

Q: Which of the following would have the highest ionization energy? Cs K Rb

A: The elements given are K, Rb and Cs.

Q: Which one of the following is the number of valenceelectrons each atom of sulfur has? а. 8 O b. 14 О…

A:

Q: Which of the following elements would you expect to have the highest ionization energy? Pb Ge Cs…

A:

Q: Which will form an ion with a +2 charge? A. S B. Br C. Ba D. Cs

A: We have to predict the element which will form ion with +2 charge.

Q: What is the valence electrons of halogens? * 1 3 O 7 ООО

A: A compound undergoes precipitation when its concentration exceeds its solubility. It is effected by…

Q: The chemical formula Al2O3 indicates: A) Five atoms of each element B) Two atoms of aluminum and…

A: Solution Alumina is often termed as corundom that synthetically produces corundom. it's a substance…

Q: How many inner, outer, and valence electrons are present in an atom of each of the following…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Which of the following elements is stable? O Sodium in group 1 Aluminum in Group 13 O Chlorine in…

A: Argon in group 18

Q: 4. Give the formula and name of the compound formed by Strontium with a. Nitrogen b. Bromine C.…

A: Strontium is the chemical element with atomic number 38. A chemical reaction is one where a reactant…

Q: How many core electrons does nickel contain? O 26 O 18 O 2

A: How many core electron in Nickel ?

Q: Which of the following elements has the highest ionization energy?a. Bab. Cac. Cld. Ne

A: The electronic configuration of each element is given below. Ba = [xe] 6s2 Ca = [Ar] 4s2 Cl = [Ne]…

Q: Which of these elements is most reactive? Li K Na

A: alkali metals are most reactive among other elements of the periodic table,  Because they easily…

Q: most negative (most exothermic) electron affinity

A: Electron affinity is defined as the change in energy resulting from addition of an electron to the…

Q: Which of the following elements is the largest?   a barium b titanium c rubidium d sodium

A: Atomic size decreases across a period from left to right, while increases down the group.

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: Write out the electron energy diagram, full electron configuration, and condensed electron…

A: Hello. Since the question contains more than three sub-parts, the first three subparts shall be only…

Q: Arrange the following in order of increasing ionization energy. Ar Cl Li Na P

A: we need to arrange the elements in order of increasing ionization energy

Q: Which of these elements has the highest first ionization energy? silicon sodium chlorine sulfur…

A: Ionization energy: The amount of energy required to remove a valence electron from neutral, 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: Identify and encircle the element that has the lesser electron affinity. 1. vanadium and tantalum…

A: Electron affinity is defined as the change in energy (in kJ/mole) of a neutral atom (in the gaseous…

Q: Identify which of the following atoms would have the largest radius. A) Mg B) Mn C) Ba D) Bi E) Br

A: As we move from left to right in a period then radii decreases. As we move from top to bottom then…

Q: Which of the following are paired correctly? Chlorine Cl2 Sulfur S4 Phosphorus Nitrogen N

A: We know that, Chemical symbol of , Nitrogen is N

Q: Which of the following atoms is the largest? O Rb O Li OK Cs O Na

A:

Q: ib. In which list are the elements in order of increasing first ionization energy? Ca < Si < P < N…

A: IMPORATNT POINTS: IE depends on many factors such as  atomic size nuclear energy shielding effect…

Q: In each of the following pairs, choose the ion with the larger ionic radius: a) K* and Na* b) K* and…

A: In modern periodic table:  On moving from left to right across the period, size and ionic radii…

Q: Which of the following atoms has the greatest difference between IE3 and IE4? N Al P

A:

Q: Which of the following elements has the highest first ionization energy? Ве O Na Li Rb K

A:

Q: 6. Place the following elements in order of increasing lattice energy: Na,S KCI MgS

A: Lattice energy can be defined as energy required to separate one mole of an ionic solid into its…

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

A: Electron affinity of chlorine is represented by the following eqn : Cl (g) + e– ---&gt; Cl– (g) +…

Q: MCQ 36: Halogen that can react with noble gases like Xe is A. F B. CI C. Br D. I

A: Noble gases are those element which have complete octet i.e., they have 8 electrons in their valence…

Q: ● Type the letter of the element that is a halogen in the 2nd period A/ ● Type the letter of one…

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

Q: Which element listed below would have the lowest first ionization energy?   K Cl Ca Br Se

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

Q: Of the following, which element has the highest first ionization energy  P Cl Na Al

A: Ionization energy is the minimum energy required to eject an electron from outermost shell of the…

Q: Of the following, which element has the highest first ionization energy?   Na Ca Rb Sr

A: Ionisation energy trend: Decreases from top to bottom Increases from left to right

Q: Which of the following elements has the highest first ionization energy? O Sr As K Se Ge

A:

Q: Which element is solid at room temperature and a good conductor of heat and electricity

A: We have to find in the given options which element is solid at room temperature and a good conductor…

Q: which one has the largest second ionization energy? Cs K C Si Na

A:

Q: 6. Which of the following elements has the smallest ionization energy? A. CI B. K C. Na D. Al E. Be

A: Ionization energy is the energy required to remove an electron from valence shell of  isolated…

Q: Need a good explanation here please

A: Dear student I have given answer to your question in the image format.

Q: Which of the elements listed below has a lower ionization energy? O Argon Phosphorus

A: Introduction The energy which is required to remove the electron (most loosely bounded electrons)…