Write the electron configurations of magnesium (z=12) and fluoride (z=9). Explain what electrons must be gained or lost from the atoms to form an electron configuration of a filled shell. Write the electron configuration of each ion too. Which noble gases have those electron configurations

Q: A neutral atom has the following electron configuration: [Ne] 3s²3p4 What is the chemical symbol for…

A: Electronic configuration of neutral atom-                                          [Ne] 3s2 3p4  We…

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

A:

Q: Of the following elements, which has the lowest first ionization energy? Са O Ba O Si O Ci O P

A: Larger the size of atom, lower will be it's ionization energy as it easily releases loosely bound…

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

A:

Q: An atom with a total of _______ electrons is most likely to become an anion. 10 9 11 7

A: When an atom looses electron it gets positive charge. This negatively charged ion is called cation.…

Q: A neutral atom has the following electron configuration: [Ne] 3s 3p4 What is the chemical symbol for…

A: A neutral atom always has equal number of protons and electrons. Also, atomic number of element is…

Q: Element "X" reacts with element "Y" to form an ionic compound containing X* and Y2- ions. Write a…

A: To write the molecular formula, crisscross the valences of cation and anion.

Q: Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4…

A: Ans Cs is a group 1 metal. It contains 55 electrons when neutral. A Cs atom loses one electron to…

Q: How many core electrons are in N-2?

A: Given :- Atomic symbol = N-2  To find :- number of core electrons  Atomic number of N = 7

Q: Write the full electron configuration for Cl-. full electron configuration: What is the atomic…

A: Electron configuration: The electrons that revolve around the atom's nucleus of any chemical element…

Q: Predict the ground‑state electron configuration of each ion. Use the abbreviated noble gas notation.…

A: The atomic number of chromium is 24. The number of electrons in Cr2+ ions is 22. Therefore, the…

Q: The ionic radii of element E and a different metallic element, M, are shown in the following table:…

A: The objective of the question is to determine whether the lattice energy of MO would be less than,…

Q: The pattern that emerges for many atoms (and especially C, N, O, F) is sometimes referred to as the…

A: The octet rule states that atoms tend to form compounds in ways that give them eight valence…

Q: Which of the following combination of elements is the most reactive? Cs and I Na and Br Cs and Br…

A: Greater is the difference in electronegativity between two atoms in a molecule, higher will be the…

Q: Use the electronic configuration of zinc to explain why it forms only a +2. From which orbital(s)…

A: Atomic number of zinc is 30.

Q: How many electrons are in the most likely ion formed from an atom located in group 5A and period 3?…

A: When a neutral atom gain or lose electron, then it is called as ion.  If it gains the electron then…

Q: Use the data table for the first eight ionization energies of a particular element shown below to…

A: Ionization energy is the energy required to remove the most loosely bound electron from an isolated…

Q: The characteristics of two different types of reactions are shown below: Reaction A: Protons are…

A: ii) Valence electrons are involved in Reaction B but not in Reaction A. True

Q: atomic mass electronegativity electron affinity ionization energy heat of fusion 74.922 2.18 78. mol…

A: Answer:Energy required to remove an electron from an isolated gaseous atom is called as ionization…

Q: Which of the following ionic compounds did you find to be diamagnetic? sodium chloride magnesium…

A: Diamagnetic Substance: These are those compounds which are weakly repelled by an external magnetic…

Q: Coal is a form of carbon that serves as fuel to generate heat or electricity. Incomplete combustion…

A: We need to show the schematic of the reactions between carbon and oxygen, corresponding to…

Q: An atomic cation with a charge of +2 has the following electron configuration: 1s² 2s ² 2p 3s² 3p6…

A: A cation is a positively charged ion formed when a neutral atom loses electrons.

Q: Which of the following atoms is correctly listed with its number of valence electrons? Li has 3 B…

A: Valence electrons are electrons present in outermost shell or energy level of an atom. The number of…

Q: If Arsenic is to be isoelectronic with Se2 (selenide ion), it should gain 3 electrons lose 3…

A: Isoelectronic is nothing but an atoms or ions having same number of electrons

Q: 8. Give the symbol of and the number of electrons in a neutral atom of: Uranium Boron Chlorine…

A: Give the symbol and number of electron in a neutral atom of the following--

Q: The following Lewis diagram represents the valence electron configuration of a main-group element.…

A: Electron are present in the different shell of an atom