The total number of electrons, valence electrons, and valency of He, C, and N?

Q: An unknown element is a nonmetal and has a valence electron configuration of ns2np4a. How many…

A: Since you have posted a question with multiple sub-parts, we are entitled to answer the first 3…

Q: How many valence electrons Rb have

A: The objective of this question is to determine the number of valence electrons in a Rubidium (Rb)…

Q: Which of the following atoms contains only three valence electrons:Li,B,N,F,Ne?

A: The number of electrons present in the outermost shell of the atom is known as valence electrons.…

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

A:

Q: An unknown element is a nonmetal and has a valence electron configuration of ns2np4a. How many…

A: Since you are asked for multiple sub-parts, we are entitled to solve first three only.

Q: What do we mean by the term electronic structure? Select all that apply. The arrangement of the…

A: In an atoms nucleus is present at the centre and it contains neutrons and protons and these species…

Q: 1.In what PEL are the Valence electrons for an atom of lead found?   2.How many unpaired electrons…

A: 1. Atomic number of lead = 82  Its condensed electronic configuration is  [Xe] 6s2 4f14 5d10 6p2 Its…

Q: Chemistry 4. Copper has two common valances (ionic charges). Use electron configurations to…

A: -> atomic number of Cu = 29 -> When electrons are removed from outermost shell then cation…

Q: How many 4d electrons are in I?

A: Iodine is a member of group 17, called the halogen group and the electronic configuration of iodine…

Q: How many valence electrons does lithium have

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: Greetings and Thank you  for your help....I Appreciate  you 2. Give the formula of a negative ion…

A: Ions are formed when removing from electrons from or receiving electrons to the atom. Donation of…

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: Which is the valence shell of K+ ion?   a. L b. M c. K d.

A: Valence shell means the outermost shell.

Q: Given the name of one amount element that has the same number of valence electrons as the element…

A: The electron configuration of an element describes how electrons are distributed in its atomic…

Q: Part A:  What is the formula for Calcium Fluoride?   Part B:  What is the ratio of Calcium ions to…

A: let see all the parts one by one

Q: What is the maximum number of electrons that can be accommodated in the N-Shell?

A: The closest shell to the atomic nucleus is known as "1 shell" or ''K-shell''. The second shell…

Q: When sodium forms an ion, it loses electrons. How many electrons does it lose, and which orbitals do…

A:

Q: Which of the following atoms contains only three valence electrons: Li, B, N, F, Ne?

A: Steps to followed to find the valence electrons present in the atom. Step 1: Identify the atomic…

Q: Fill in the following table for the given electron configurations. Remember that valence electrons…

A: electrons of the outer most shell orbital is called valance electrons. from the total no of…

Q: Atoms of an element X have the ground-state electron configuration 1s22s22p6 3s2 3p4 . What type of…

A: Given , Electronic configuration of element X :1s22s22p6 3s2 3p4

Q: Electron arrangements with 8 electrons in the outermost shell tend to be more stable than other…

A: Atomic number of Calcium is 20. The symbol for Calcium atom is Ca. Electron configuration of calcium…

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: To which third-period element do these ionization values belong Spell out the full name of the…

A: Given element belongs to third period element.  There are total seven ionization energies for given…

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: 29. Sodium atoms are much larger than chlorine atoms, but in NaCl sodium ions are much smaller than…

A: 29. Cations has a smaller size than it corresponding atom.Cation has less electrons than the…

Q: How many valence electrons does an atom of any element in group 6A have ?

A: Given information,      Element in group 6A

Q: An atom has the following electron configuration. How many valence electrons does the atom have?…

A: We have to find out valence electrons of the atom. Given: 1S2 2S2 2P6 3S2 3P3

Q: The maximum number of vale

A: Valence electron is an outer shell electron that is concerned with an atom and that can participate…

Q: 559048ad75799f5abe16e1aff#10001 MReview | Constants Periodic Table On the basis of periodic trends,…

A: The explanation is given below-

Q: Compare the configurations below with two electrons located in p orbitals. Which would be the most…

A: p orbitals have 3 sub-orbitals px , py and pz . And can occupy 6 electrons, 2 each. These can be…

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: How many valence electrons would be in carbon, copper, cobalt, argon and potassium?

A: The question centers on determining the number of valence electrons for five different chemical…

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

A:

Q: Why are the electron affinities of Be and Mg highly positive? Be and Mg have a full octet. Be and Mg…

A:

Q: How many valence electrons are in an atom with the electron configuration 1s2 2s2 2p6 3s1?

A:

Q: Calcium (Ca), manganese (Mn) and germanium (Ge) are elements in the fourth per Table. All elements…

A: Neutral atoms Ca, Mn and Ge  1. Calcium (Ca) : s-block element (2A group) Z = 20  E.C = [Ar]4s2…

Q: 2. Give the electron configuration for the ion of Br.

A: The atomic number of bromine is 35 and the electronic configuration for bromine (35 electrons) is…