As you move down a group. "Z" remains the same. How does atomic radius change? Explain why.

Q: Which property increases as you move from left to right across a row in theperiodic table?(a) atomic…

A: The properties of an element are a periodic property of their atomic number, according to the…

Q: What is An isoelectronic series?

A: isoelectronic series

Q: Give the main features of Thomson’s Model for an atom.

A: Thomson's model also called as plum pudding model. J.J. Thomson discovered electron in 1904. In this…

Q: What is shielding? In an atom, which electrons tend to do the most shielding?

A: The electrons present in the outer most shell is termed as valence electrons. The electrons present…

Q: 13. How is the periodic table organized?

A: The periodic table consists of 7 periods and 18 groups. Periods are the horizontal rows, and groups…

Q: ment has the electron configuration 1.

A: The electronic configuration denote stage distribution of electrons in different subshells of an…

Q: Complete the electron configuration for I. [Kr]

A: Electronic configuration is a distribution of electrons of a atoms in a atomic or moleculer orbital.…

Q: List the features of Nonmetals?

A: The features of Nonmetals have to be listed below.

Q: For main-group elements, are outer electron configurations similar or different within a group?…

A: For main-group elements, are outer electron configurations similar or different within a group and…

Q: 2. Identify any 5 elements in Group 2A and determine the electron configuration of 5 elements with…

A: For any element Atomic number = number of electrons = Number of protons  Mass number = Number of…

Q: Write the electron configuration for barium.

A: Electronic configuration....

Q: how can you be reasonably sure that arranging elements by their atomic number is accurate?

A:

Q: How does the ionic radius of a nonmetal compare withits atomic radius? Explain the change in radius.

A: The atomic radius is the distance between the nucleus and the outermost shell of the element. On the…

Q: 16. Where on the periodic table are metalloids found?

A: The periodic table may be divided into s, p, d and f blocks based on the nature of the orbital in…

Q: What is an electron shell?

A: An electron shell has to be defined.

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: B: Use phosphorus as an example to explain how coulombic energy and exchange energy influence on how…

A: According to Bohr’s model of an atom electrons are present in orbitals having specific energy. These…

Q: How does the electron configuration of an element differ from an ion?

A: Given : An element and ion.

Q: which of the following is a corrct electron configuration for element 82?

A: Given corrct electron configuration for element 82?

Q: e smallest atomic radius?

A:

Q: What do you think is the reason for a decreasing atomic radius within one period

A: Atomic radius :- The distance between the centre of the nucleus and outermost shell in which valance…

Q: Explain the layout of the modern periodic table, including rows, columns, groups, and blocks. Be…

A:

Q: Complete the electron configuration for Te. [Kr]

A: While writing the electronic configuration for an atom, electrons are filled in the increasing order…

Q: State the periodic law, and explain its relation to electron configuration. (Use Na and K in your…

A:

Q: Based on the periodic table, the elements are arranged in the order of their atomic numbers,…

A:

Q: What is the difference between ionic radius and atomic size?

A: An atom is a neutral species while an ion is a charged species. An ion can be positively or…

Q: b. (i) Define Electron Affinity and explain why the electron affinity may either have positive or…

A: Electron affinity can have both positive or negative values.

Q: What is the electron configuration for Fe?

A: The atomic number of Iron is 26. iron (Fe) is a transition elements.

Q: the full electron configuration for S2−

A: S = sulfur Atomic number of sulfur = 16

Q: To what part of the periodic table does the valence electron correspond?

A: Valence electrons are electrons present in outermost shell of any element. They are related to…

Q: Write the electron configuration of an atom or ion.

A: The electronic configuration is the way electrons are arranged in an atom around the nucleus. An…

Q: Why do successive ionization energies increase?

A: Ionization energy is the energy required to remove an electron from atom or ion.  First ionization…

Q: According to Coulomb’s law, if the separation between two particles of the same charge is doubled,…

A: Coulomb's law states that the potential energy (E) of two charged particles is dependent on their…

Q: In what general direction(s) of the Periodic Table does atomic radius increase? Choose as ma answers…

A: Atomic radius of element is the measure of size of element.

Q: Describe the trend in ionization energy as you move across the periodic table and down the periodic…

A: Ionization energy refers to the amount of energy needed to remove an electron from an atom in…

Q: A: Define Coulombic energy and exchange energy (in your own words). B: Use phosphorus as an example…

A: The filling up of the electrons follow certain rules which are called the hund’s rule and auf bau…

Q: What are the two regions of an atom?

A: The two regions of an atom has to be given.

Q: Write the electron configuration for  S

A: The electrons are filled in the atomic orbitals according to the Aufbau principle, which states that…

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: What would we do if we don't know the atomic number of the element?

A: The identity of a chemical element can be well established by means of the electrons presents into…

Q: Define Ionization Energy?

A: To ionize an atom means to take out an electron from the atom and form a cation (positively charged…

Q: What is a metallic character?

A: Metallic character indicates the reactivity of a metal. Metals tend to lose electrons in chemical…

Q: Explain the periodic trend in atomic size from left to right across the periodic table. What is the…

A: On moving from left to right across a period, the atomic radius decreases, because nucleus of the…

Q: what is the atomic radius value for Cs ?

A: 1.The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or…

Q: Name the element with the atomic orbital diagram shown below:

A: According to the atomic orbital diagram , electronic configuration of the element is: 1s2 2s2 2p6…