12. One of the ionic forms of iron has a charge of +2. How many protons does the ion have? 13. Which of the following electron configurations corresponds to an atom of a transition metal? Group of answer choices 1s22s22p5 none of the choices 1s22s22p63s23p2 1s22s22p63s23p64s23d104p3 1s22s22p63s23p64s1 1s22s22p63s23p64s23d2 14. The atomic mass unit (u) is based on which isotope of carbon? Group of answer choices C-14 C-12 C-11 C-13

Q: A. If an element with the valence configuration 4s23d7 loses 3 electron(s), these electron(s) would…

A:

Q: Fluorine gas and water vapor react to form hydrogen fluoride gas and oxygen. What volume of hydrogen…

A: Fluorine gas (F2) and water vapor (H2O) reacts to form the hydrogen fluoride (HF) gas and Oxygen…

Q: Write the condensed orbital filling diagram of the following: A. nitrogen (N) B. copper (Cu)

A: Given Element A. Nitrogen (N)B. Copper (Cu)Condensed Orbital Filling Diagram  = To be determined

Q: A. A main group element with the valence electron configuration 4s¹ is in periodic group It forms a…

A: Answer: Every element during a chemical reaction tries to have an electronic configuration like a…

Q: The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of…

A: Balance chemical equation is defined as which has equal number of atoms or ions in both sides…

Q: Which of the following pairs of elements would you expect to have the most similar atomic radii? O…

A: Trend followed : Atomic radii decreases across the period from left to right and increases down the…

Q: An atom of S has core electrons and valence electrons. A) 16 and 6 B) 6 and 4 C) 6 and 0 D) 10 and 6…

A:

Q: 69. What does the graph to the right best represent? a) atomic radii of Period 2 b) ionization…

A: Note: They all are very short questions so I am solving all questions. Given: Graph Rare earth…

Q: 8. An unknown element has 2 outermost shell electrons. Which of the following statements concerning…

A: Here the unknown element have two outermost shell elctrons . Hence the element may be Helium ( 1s^2)…

Q: Write a balanced half-reaction for the oxidation of gaseous nitrogen dioxide (NO₂) to nitrate ion…

A: Since, In redox reaction, Oxidation and reduction reaction both takes place simultaneously. In…

Q: 8. Which correctly matches the proton, neutron and electron to its location, charge and relative…

A:

Q: B. Electron Configuration Atom O Na Ca Electron Configuration Number of Valence Electrons Group

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

Q: What element does the following electron configuration represent: 1s2 2s? 2p6 3s2 3p6 4s? 3d10 4p6…

A: What element does electronic configuration represent ---

Q: Question 5 1s²2s²2p63s²3p64s²3d¹04p5 is the neutral electron configuration for the element in group…

A: electron configuration of an element is given

Q: Identify and name the group in which each of the following elements appears:

A:

Q: e considering the new element Jessium, J, atomic number 119 a che following questions about periodic…

A: Radioactive isotope are not stable. To get stabalize radioactive isotope emit radiation in the form…

Q: 20 21 23 24 :0 F1 2 26 27 2 F2 14/ Select all answers that show the atoms or ions that are…

A:

Q: gallium: [Ar]4s23d¹04p¹ inner electrons: valence electrons: tungsten: [Xe]6s24f145d4 inner…

A: The objective of the question is to identify the-Valence ElectronsOuter ElectronsInner Electrons

Q: For the fake elements described below, determine the charge of the most stable ion.   A) ____…

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

Q: A. A main group element with the valence electron configuration 3s23p1 is in periodic group It forms…

A: Answer-1 In both mentioned elements final electron has been filled in p-subshell, therefore both the…

Q: electron configuration of atoms 10 [G]ns of mdnp 10 [G]ns md¹0np5 2 [G]ns²mf¹² 12 1 blocks U P S…

A: To fill the table provided.

Q: How many core and valence electrons do each of the following have:

A: Core electrons are the inner electrons of an atom. These electrons never participate in bond…

Q: Using the information provided in the table below, which of the atoms/ions would you expect to have…

A: we have to determine the atom/ion that has the highest electron affinity

Q: A sample of an unknown compound is vaporized at 200. °C. The gas produced has a volume of 1760. mL…

A: Given data : Temperature(T) = 200°C = 473 K Volume of gas(V) = 1760 mL = 1.76 L Pressure(P) = 1 atm…

Q: Describe 2 reasons the C atom is unique separate when compared to the elements closest in one period…

A: A question based on Carbon atom, which is to be accomplished.

Q: Atom P As Pb Cr A1³+ Ru Atomic number (Z) 15 Electronic configuration [Ne]3s 3p³

A:

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

A: The group number of an element can be determined by the valence electron configuration. The group…

Q: electron configuration of atoms 10 [G]ns²md¹0onp³ 3 10 5 [G]ns md np [G]ns mf location of elements…

A: Based on the valency electron which occupies an orbital, elements are classified as s, p, d and f…

Q: What is the electron configuration for an atom of nickel?

A: Ni atom is d block element  Transition element

Q: Fill in the missing information about the atoms in the table below. symbol Ge Sn number of protons…

A: We know that Mass of element is the sum of masses of all atom onstituents like proton…

Q: For each of the following numbers of electrons, choose the formula of a positive ion that would have…

A:

Q: Identify the total number of electrons, the number of valence electrons, and the name of the element…

A: Introduction: There are four types of quantum number for describing an electron position in an atom…