Consider the following sets. In which set do all species have the same number of electrons? o K*, Rb*, Cs* O Ge, Se2-, Br- O Br, Br*, Br- O F-, Ne, Mg2+

Q: Rank the size of the following atoms and ions –C, C-. F-, Na+, Rb+

A: Cationic radius of element is always less then parent atoms and anionic radius is always greater…

Q: Atomic Radii of the First 86 Elements 300 250 200 150 50 10 Atomic Number .Whais tha ganora trond…

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Q: P 00 R Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. •…

A: To solve this problem we will use Born Haber cycle . .

Q: 13. Which ion is this atom most likely to form? 1 111 1 1s 2s 2p 3s а. Na* b. Na c. Ne d. Mg"

A: Given electron configuration is,  1s2 2s2 2p6 3s1

Q: Aluminum 13 (AI)_ 13 Hydrogen (H) 1 1 Making anion Sulfur (S) 16 16

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Q: Which of the following atoms and ions is largest: S2 - , S, O2 - ?

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

Q: Order each of the following sets of five atoms and ions according to decreasing size. (i.e. "1"…

A: In periodic table  From left to right atomic size decreases From top to bottom in groups atomic size…

Q: Element name Group # of Lose or Charg lon Name of Electron And symbol, #3 Valence gain e Formul The…

A: some elements electronic configuration , group , and other information is given .

Q: Element name Group # of Lose or Charg lon Name of Electron And symbol, #3 Valence gain electrons on…

A: As per our guidelines, we can only solve first three sub-parts . Please resubmit other question as…

Q: Explain why Na, A1  0  This is asking why is it exothermic to add an electron to Na but endothermic…

A: The ease with which an electron can be added to an atom is defined as electron affinity. The heat…

Q: do all the elements have the same number of valence electrons?     P, As, Se     P, S, Cl…

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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: Consider Mg²+ and 02. Which do you predict is larger and why? 1. Mg²+ is larger because magnesium is…

A: Atomic radius is a measure of size of atom. It is defined as the distance between the central…

Q: Q 1.2: TeCla has a total of valence electrons. A 30 B 26 C 34 D 32 E 28

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Q: Which of the se pairs of elements would be most likely to fom an jonic compond a:) P and Br b.) Cu…

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Q: From the list of atoms and ions given, select all the species that have the same electron…

A: Na :1s22s22p63s1 Na+ :1s22s22p6 Ne:1s22s22p6 F:1s22s22p5 F-:1s22s22p6 C: 1s22s22p4  C4+: 1s22s2 O…

Q: Which of the following characteristics DOES NOT DESCRIBE atoms on the top right of the periodic…

A: ans: D Bigger ,more rings 1 or 2 valence electrons REASON: In periodic table from left to right…

Q: I. Fill in the blanks. Hydrogen (H) has only 1 valence electron. So the noble gas closest to it is…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The electron configuration of indium is [Kr]5s²4d¹⁰5p¹. How many electrons does a neutral atom of…

A: The concept behind the answers lies in the understanding of electronic configurations, oxidation…

Q: From the list of atoms and ions given, select all the species that have the same electron…

A: Electronic configuration of an element tells us about how electrons are distributed in its atomic…

Q: Excluding hydrogen, helium, the noble gases, and the Lanthanides/Actinides (the separated block of…

A: Electronegativity of an element is defined as the ability of an atom of the element to draw the…

Q: Which of the following pairs of ions/atoms are isoelectronic?   Group of answer choices A. Ba2+ and…

A: Iso-electronic species are those species which consists of equal number of electrons. Let the number…

Q: Consider As and Br. Which would have a higher effective nuclear charge and why? O O Arsenic (As)…

A: Effective nuclear charge is the nucleus attraction on the valence electron. Which indicates that how…

Q: The electron configuration of each of magnesium atom and chlorine atom is: Mg:K’L"M² Cl:K²L"M² 1-…

A: Since you have asked multiple questions, we will solve the first three parts of the first question…

Q: Excluding hydrogen, helium, the noble gases, and the Lanthanides/Actinides (the separated block of…

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Q: Use the space below to write the electron configuration of the Cu2 ion, using the noble gas…

A: The question is about to write the Electron Configuration of Cu2+

Q: Write the electron configuration of an atom of the element highlighted in this outline of the Perio

A: Modern periodic table having four orbital- 1) s-orbital 2)p-orbital 3)d-orbital 4)f-orbital

Q: Among the following ions, several pairs are isoelectronic i.e. have the same number of electrons.…

A: We have to identify the isoelectronic pairs.

Q: A neutral magnesium atom has 12 electrons. How many electrons does Mg²⁺ have?

A: During oxidation there is loss of electrons. The charge developed depends on the number of electrons…

Q: A monatomic ion with a charge of -2 has an electronic configuration of…

A: Isoelectronic species are those that have same number of electrons.

Q: How many valence electrons are there in P3-?

A: We know phosphorus electronic configuration is 1s22s22p63s23p3 total electrons in P = 15

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

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

Q: Carbon (C) reacts with several different nonmetallic elements. These non-metallic elements tend to…

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Q: Calculate the lattice formation enthalpy (lattice energy) of the lattice for MgF₂(s), in kJ/mol,…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.