Kr has 36 protons and 36 electrons. Give the symbol of two anions and two cations that are isoelectronic (same number of electrons) with Kr ננם 8:26

Q: predict the charge of each element based on its position on the periodic table P Na S Cl Mg O…

A: Predict the charge of the given ions-

Q: value) Protons  Neutrons  Electrons Mass Number 201Hg     121     90Sr2+

A: Atomic number = number of protons.  Mass number(A ) = P + N Where,  N = number of Neutrons    P =…

Q: Atom/Ion: Cl # Core Electrons # Valence Electrons Effective Nuclear Charge (Zeff)

A: Answer:- This question is answered by using the simple concept electronic configuration then core…

Q: Fill in the missing information: symbol Xe C1 atom or ion? check all that apply ✔neutral atom…

A: Filling the missing information

Q: Compare both the numbers of protons and electrons present in each to rank the following ions in…

A: The number of proton and electron in a neutral atom is same as its atomic number.  when one electron…

Q: how many proton and neutrons does the Xe have

A: The given element is Xenon (Xe). First, we have to find the atomic number and mass number of Xe from…

Q: What charge does a aluminum cation always have? +1 +2 +3 +4

A: Charge on aluminium cation:

Q: An atomic anion with a charge of -2 has the following electron configuration: [Ar] 4s²3d¹04p6 What…

A:

Q: For each of the following chemical symbols, determine the number or element symbol that goes in the…

A: The atomic number of an atom is equal to the number of protons present in the atom. For a neutral…

Q: Determine the number of protons, neutrons and electrons in the following: 65 29 X O pt = 29 O pt =…

A:

Q: What happens when the compound HCl is formed?  Hydrogen transfers two electrons to chlorine.…

A: Hydrogen reacts with chlorine to form hydrogen chloride. The equation for the balanced chemical…

Q: Referring only to the periodic table, give the ionic charge expected for each of these…

A: according to periodic table. charge of each ion depends upon group number and charachteristics.…

Q: predict the charge of an element based on it's position on the periodic table P  Na S  Cl  Mg…

A:

Q: Comparing the chlorine neutral atom and its anion, what do you notice about the radius in the…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: Cemental ryllium 4 4 rer Ion 12 20

A:

Q: What is the likely charge of the ions formed by members of the following families? Alkali metals…

A: To check the most likely charge we need to determine the valance Electrons on that group. Also…

Q: Which answer describes the arrangement of electrons around an iodine atom? 1 single electron 2…

A: In the given question we have to show the arrangement of electron around iodine atom.  First of all,…

Q: Determine the number of neutrons, protons, and electrons for a bromide ion that has a mass number of…

A: Atomic symbol of bromide ion = Br- Mass number = 78  Number of(protons + neutrons)= mass  Atomic…

Q: Which neutral atom is this ? Which group and period ?

A: The electron configuration  corresponds to the element iron (Fe) with an atomic number of 26. Iron…

Q: ) Based on their positions in the periodic table: What is the most likely charge of a magnesium…

A: We know that, Mg is in belong to Group 2 and O belong to group 16.

Q: Fill in the missing information about the atoms in the table below. symbol In B TI number of protons…

A:

Q: Which atom has the smallest atomic radius P CI Si S How many protons neutrons and electrons does the…

A: the detailed answer is attached below.

Q: What charge does a calcium cation always have? +1 +2 +3

A: Calcium is a group-2 element.

Q: If element A has a charge of 3 and element B has a charge of -2 what would the proper ionic formula…

A: charge on element A = +3 Charge on element B = -2. According to criss cross rule ionic formula of…

Q: What is wrong with this model ?

A: Atom consist of nucleus that consist of protons and neutrons. Electrons revolve around nucleus.…

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not the…

A: We have to identify the symbol of the elements based on the given informations.   Introduction: To…

Q: Atom/Ion: Mg # Core Electrons # Valence Electrons Effective Nuclear Charge (Zeff)

A: Atom / ion : Mg = ?  Core electrons = ? Valence electrons = ? Effective nuclear charge (Zeff) = ?

Q: Atom/Ion: S # Core Electrons # Valence Electrons Effective Nuclear Charge (Zeff)

A: All step  clearly explained  in Handwritten  solution.

Q: An atomic cation with a charge of +1 has the following electron configuration: 15² 25² 2p 3s²3p² How…

A: Electron configuration is 1s2 2s2 2p6 3s2 3p5 An atomic cation with charge +1How many electrons does…

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.