Phosgene is for CO(g) + Cl,(g)

Q: Why do Na and K have similar properties?

A: Valance shell: It is the outermost shell of an atom. The electrons of the valance shell have the…

Q: Explain the horizontal irregularity in size of the most com-mon ions of Period 3 elements.

A: Period 3 elements are given below,        Sodium (Na), Magnesium (Mg), Aluminium (Al), Silicon (Si),…

Q: Compared to their neutral atom counterparts, ions will have smaller or larger atomic radii due to…

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Q: A main group element with the valence electron configuration 2s1 is in periodic group __________.It…

A: Since, the electronic configuration of the element is given as 2s1 which signifies that the element…

Q: 1. The potential energy of a certain system of two charges increases as the charges are moved…

A: Potential energy, stored energy that depends upon the relative position of various parts of a…

Q: Na+ has higher value of ionization enthalpy than Ne, though both have same electronic configuration.

A:

Q: Using their electron configurations, explain why Zn and Cd always form 2+ cations

A: The electronic configuration of Zn is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 The electronic configuration of…

Q: What happens as the two atoms approach each other ? (a) Each electron is attracted by the nucleus of…

A:

Q: The ionization enthalpies of group 15 elements are higher than that of group 14 and 16 elements in…

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Q: An element X has the electron configuration [Kr] 5s-4d5p. The formula for the bromide of X is most…

A: The given electronic configuration is [Kr] 5s24d105p3. The atomic number of an element is equals to…

Q: Soft contact lenses are made of siliconand oxygen atoms bonded together. Create a table listingthe…

A: Contact lenses, also known as eyeglasses, are small lenses that are mounted directly on the surface…

Q: In group 15 elements, there is considerable increase in covalent radius from N to P but small…

A: N i.e nitrogen is period 2 element, P i.e phosphorous is period 3 element, As i.e Arsenic is period…

Q: Calculate the change in energy of the gas.

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Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

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Q: Between these two elements, which is the MOST reactive: strontium (Sr) or barium (Ba)?

A: Barium is the most reactive element than strontium.

Q: schematic diagram to illustrate the separation process of Group III cations.

A: For the qualitative analysis of ions,cations are specifically divided into the the groups. Cations…

Q: Which of these is lower in energy and why?

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Q: (b) Cla reacts with the element Sr to form an ionic compound. Based on periodic properties, identify…

A: Strontium (Sr) belongs to group - 2 while chlorine(Cl2) belongs to group - 17

Q: Magnesium is an important element in the human body,especially in bones. Magnesium’s atomic number…

A: Magnesium atomic symbol is Mg. Magnesium atomic number is 12. This number indicates that the neutral…

Q: 2. Write the short-form electron configuration (use a noble gas) for Br and Mg²*

A: Given  Element = Bromine and Mg2+ Short form Electron Configuration = ?

Q: Which of the following atoms and ions is (are) isoelectronic with S2+: Si4+, Cl3+, Ar, As3+, Si,…

A: The species having the same number of electrons and also belong to different elements are named as…

Q: If X is in the period 5, the ion formed has the same electron configuration as the noble gas

A: From the given Lewis diagram, we can see that there is only 1 valence electron in the element  And…

Q: lustrate the electron spin quantum number of Fluorine

A: Given : We have to write electron spin quantum number of Fluorine.

Q: Explain the relationship between Coulomb's Law and ionic bonds.

A: Ionic bonds consists of +ive ions called cations and -ive ions called anions.

Q: For each of the following pairs of atoms, state which youexpect to have the higher first ionization…

A: a)

Q: Consider an ionic compound, MXMX, composed of generic metal MM and generic, gaseous halogen XX. The…

A: Lattice energy :- The energy released when one mole of crystalline solid is formed by the…

Q: is Ho and Cf in group 13 of the periodic table?

A: Ho is named as holium . Cf is named as callifornium. Ho , atomic number is 67 . Cf , atomic number…

Q: Write the condensed (noble-gas) electron configuration of Cr³⁺.

A: The condensed electronic configuration of Cr3+ has to be written.

Q: What is a chemical reaction that defines the fist ionization energy of carbon?

A: The energy which is require to remove an electron from outermost orbit in a gaseous atom is called…

Q: Which of the following atoms and ions is (are) isoelectronic with Si: Ar, S2+, Ne, Al3+, P3−, As3+?

A: Isoelectronic species: The atoms or the ions which contain the same number of electrons ate called…

Q: What is the valency of noble gases?

A: Valency: Valency is the combining capacity of an element.

Q: Which of the following radii comparisons is incorrect?

A: Given data : From the data incorrect radii need to be choosen. (A) Sr2+< Sr (B) Br-< Br (C)…

Q: Calculate the number of electrons in a single unit ofP4O10−2

A: The no.of electrons in a neutral atom are equal to its number of protons. It is also equal to its…

Q: Write the electron configuration for each of the followingions, and determine which ones possess…

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

Q: What is the electron configuration of Ne2?

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

Q: What is noble gas electron configuration of Zn2+ ?

A: The arrangement of electrons around an atomic nucleus in varying energy levels is termed  as…

Q: Describe the fundamental properties of electric charges?

A: Given information,   Fundamental properties of electric charges

Q: Which group of elements is characterized by an ns2np2 electronconfiguration in the outermost…

A: Valence shell configuration is ns2np2

Q: Consider an ionic compound, MXMX, composed of generic metal MM and generic, gaseous halogen XX. The…

A:

Q: An element X reacts with hydrogen to form a compound of formula HX. In which group in the periodic…

A: An element X reacts with hydrogen to form a compound of the formula HX. In which group in the…

Q: Discuss the general chemical reactivity of noble gases.

A: In the18th group of the periodic table, noble (inert) gases are placed.

Q: The bond between calcium and chlorine is:

A: The bond which is formed by positive and negative ions are known as ionic bonds.

Q: The lattice energy of magnesium sulfide is the energy change accompanying the process Mg2 (g) +…

A: Given,

Q: [Ne]3s23p is the noble gas configuration of

A:

Q: Write the electron configuration for the element titanium,Ti. How many valence electrons does this…

A: Titanium is a member of the first transition series in d-block of elements. It has an atomic number…

Q: Name the five Electron groups?

A: There are two types of electron groups: any type of bond—single, double, or triple—and lone electron…

Q: hy fluorin has low electron affinity as compared to chlori

A: When an electron is gained by an atom some energy is released so this released energy is electron…

Q: How many electrons does barium have to give up to hav the same electron configuration as a noble…

A: The electron configuration of an atom is the representation of the arrangement of electrons…

Q: a) Give the complete and condensed gr Complete e conf. b) Give a condensed electron configu valence…

A:

Q: the electron configuration of iron (iii) ion is: ?

A: The ion given is Iron (III) i.e Fe3+.