Which one in each pair has the larger radius ? Explain. (a) a magnesium ion or an aluminum ion (b) a sodium atom or a silicon atom (c) a potassium ion or bromide ion

Q: The atoms in the formula 4CH3oH is

A: Atoms are the individual particle that combines with each other to form molecules. These molecules…

Q: A main group element with the valence electron configuration 2s22p3 is in periodic group__________…

A: Given electronic configuration is 2s22p3

Q: What is the differeence between cations and anions?

A: Whenever an atom loses or gains electrons, it loses its neutrality and becomes charged. The atom is…

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: How the first row of the periodic table is formed ?

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Q: How many electrons must nitrogen gain to be ch ome like its closest noble gas,Neon?

A: The periodic table consist of elements that are arranged according to their periodicity. The…

Q: How does the structure of a lithium ion vary from that of a lithium atom?

A:

Q: Which of the following is not a ternary ionic compound: potassium nitride, potassium nitrate, or…

A: Potassium nitride, potassium nitrate, or potassium nitrite. Which one is not a ternary ionic…

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: What is the formula of the compound in which the atom combining ratios are: sodium : fluorine = 1 :…

A:

Q: If a new element were discovered and it was found to form 1- ions, in which group would you place it…

A: The elements are placed in the periodic table based on the number of valence electrons in the…

Q: In the following reaction which sphere represents a metal and which represents anonmetal?

A: Metals are those substances or minerals which forms naturally below the surface of the earth. They…

Q: Predict the ionic charge for a phosphorus ion, P?–, based on the position of the element in the…

A: Predict the ionic charge for a phosphorus ion, P?

Q: what are 2 symbols of two ions that are isoelectronic with the calcium ion?

A: If two elements are having same number of total electrons, then they are isoelectronic with each…

Q: Which of the following elements has the highest first ionization energy?

A: Ionisation energy: the amount of energy required to remove of an electron from a valency shell of…

Q: The fictional element Grassfieldium (symbol Gr) is similar to Nitrogen. If it forms an ionic…

A: Fictional element Grassfieldium ( Gr) is given having properties similar to Nitrogen.

Q: What is an electron-dot symbol?

A: An electron dot symbol has to be explained.

Q: Write the electron configurations of a phosphorus atom and its negative ion. Give the charge on the…

A: The atomic number for the phosphorus atom is 15 and its out most shell has 5 electrons, 2 electrons…

Q: A main group element with the valence electron configuration 4s24p4 is in periodic group ______ .It…

A: The outer electronic configuration of the element is 4s2 4p4. This implies that it has 6 electrons…

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: A monatomic ion with a charge of +2 has an electronic configuration of 1s²2s²2p°3s²3p°4s²3d104p°.…

A: The electronic configuration depicts the arrangement of electrons in a molecule. The species which…

Q: The element aluminum forms a a with the charge

A: The element aluminium forms a cation with the charge +3. The symbol for this ion is Al+3 with the…

Q: Discussing this chapter, a classmate says, “Since elementsthat form cations are metals and elements…

A: The given data: The given statement is - Since elements that form cations are metals and elements…

Q: A main group element with the valence electron configuration 5s1 is in periodic group_______ .It…

A: The outer electronic configuration of the element is 5s1. This implies that it has 1 electrons in…

Q: Of the following, which element has the highest first ionization energy?

A: Ionization energy is defined as the the minimum amount of energy which is required to remove an…

Q: 3. Which of the following elements will have the highest ionization energy? OF ON

A: Ionization energy, also called ionization potential, is the amount of energy required to remove an…

Q: An electrical charged atom or group of atoms. What is it

A: All the substances in thE universe are made up of tiny particles known as atoms. Atoms can be…

Q: There is/are  cation(s) and  anion(s) in one unit of lithium fluoride

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Q: a. Explain why a positive ion is always smaller than itsparent atom.b. Explain why a fluoride ion is…

A: (a)

Q: The modern periodic table is arranged in order of increasing atomic?

A: Elements are arranged systematically in periodic table in groups and periods. The main reason for…

Q: (a) Would you expect scandium oxide to be a solid, liquid, or gas at room temperature?

A:

Q: Hello, sorry I think I was a bit bland with the question. In the periodic descriptions attached…

A: A question based on periodic properties that is to be accomplished.

Q: A monatomic ion with a charge of +2 has an electronic configuration of 1s-2s2p°3s-3p°. This ion is…

A: The electrons of an atom are configured based on the number of electrons present in the atom. The…

Q: Question 15 of 43 Su Write the condensed (noble-gas) electron configuration of aluminum.

A: Every element has many electrons arranged in proper shells, subshells, and orbitals. This…

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: Define anion

A: 1-Anion is a negatively charged species. 2-Anion are interested in the positive electrodes.3- Anions…

Q: What is the formula of cadmium oxide?

A:

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

A: Valence shell configuration is ns2np2

Q: A monatomic ion with a charge of-1 has an electronic configuration of 1s²2s2p°. This ion is a(n)…

A: Modern periodic table and electronic configuration of an ion as 1s22s22p6.

Q: Which of the following is not isoelectronic with a noble gas?

A: Isoelectronic species refers to those ions/molecules or atoms pair that has identical number of…

Q: 3. What type of elements form ionic bonds with metals?

A:

Q: Which are Five Electron Groups?

A: The molecules, such as PCl5, SF4, and ClF3, are the five electron groups. However, the geometries of…

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

A: An atom or Group of atoms having positive or negative charge known as Ion.The Ion which has one or…

Q: Predict the charge of the ion formed by  element and write the electron configuration of the ion. F

A: