20. When a Ca atom loses all of its valence electrons, it is isoelectronic with? (Show the ground state electron configuration) Helium ONeon O Argon Krypton

Q: A certain atom has an ns2np6 electron configuration in its outermost occupied shell. Name the…

A: The elements belong to 18 group of the periodic table except Helium has ns2np6 electronic…

Q: Explain how the electron density is distributed around the nucleus?

A: Bohr orbit is the circular path in which electron moves around the nucleus in an atom. This implies…

Q: How many electrons can be accommodated in the first, second, and third electron shells of an atom?

A: Electron shells According to Bohr's theory, electrons revolve around the nucleus through a fixed…

Q: Electron Configuration F 1. Potassium 2. Vanadium 3. Cu n=1

A: Filling  of electrons in atomic orbitals follow certain rules.   one of them is aufbau principle.…

Q: (Magnesium) Would you expect the ion to be larger or smaller in volume than the neutral atom? Why?

A: The given element magnesium is a metal and they have a tendency to lose electron. The loss of…

Q: How are atomic size and ionization energy related to location in the periodic table?

A: An atom is mainly composed of three sub-particles; electrons, protons, and neutrons. These particles…

Q: What sub-atomic particle determines the identity of the atom?

A: The sub-atomic particle that determine the identity of the atom is Protons.

Q: Question 9 What is the pH of the solution that results from the titration of 50.0 mL of 0.30 M…

A: This question can be solved using ICE approch.

Q: if a sulfur atom gains two electrons the resulting species is ______ (larger/same size/smaller) than…

A: Given  Atom = Sulphur  Size of atom after gained 2 electron = ?  Resulting species is anion or…

Q: 3) Which of the following is isoelectronic with Mg? Ar, K*, S² or Ne s2-

A: The ions or atoms which possess the identical electron configuration are termed as isoelectronic…

Q: Draw the orbital diagram for the following particles A sulfur atom A silicon atom

A: Pictorial descriptions of electrons in an atom are orbital diagrams.Three rules are Useful to…

Q: he correct statement,

A:

Q: 4) How many valence and core electrons does each of the elements above have? # Valence electrons a)…

A: The outermost electrons of an atom are called the valence electrons. In-order to find out the…

Q: What are odd electron species? Give some examples?

A: To explain odd electron species with examples

Q: All atoms tend to lose electrons. True or false?

A: Given statement: All atoms tend to lose electrons.

Q: Even though an atom of germanium has more than twice the nuclear charge of an atom of silicon , the…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: What is the electron arrangement for the element that has two more protons than carbon?

A: Introduction Electron arrangement refers to the way in which electrons are arranged in an atom or…

Q: Write down the orbital diagram for an ion that contains 19 protons and 18 electrons.

A:

Q: what are isoelectronic species? give examples.

A: Atoms and ions that have same number of electrons that is same electron configuration are said to be…

Q: Addition of one electron gives the bromine atom a (less or more) stable electron configuration of…

A: Since the Kr is having complete octet configuration Hence the addition of electron to Br is making…

Q: Describe the differences and similarities between the Bohr Model and Schrödinger Model. Why  are…

A: The Bohr atomic model is also called as structural model of an atom. The Schrodinger atomic model is…

Q: Describe the Bohr model of an atom containing 5 electrons. How does the electron cloud model differ…

A: Niels Bohr proposed a simple model of the atom in 1913, which became known as the Bohr model. It is…

Q: What is the total number of valence electrons in an atom of Mg-26 in the ground state?

A: The isotope given is Mg-26.

Q: 4. What does isoelectronic mean? Provide an example.

A: The outer shell electrons of an atom is called the valence shell electrons for that atom.   These…

Q: Use orbital diagrams to show the number of unpaired electrons in an atom of S

A: Electronic configuration of S ion is 1s22s22p63s23p4

Q: 25. Select the correct statement. a) Nat and K*,are isoelectronic because they both lost one…

A: Isoelectronic species are those atoms or ions having same number of total electrons, no matter what…

Q: Illustrate the electron spin quantum number of Carbon

A: Quantum numbers are defined as set of numbers which describe the energy and position of electrons in…

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

A: