Arrange the elements in each group in order of increasing ionization energy. a. phosphorus, silicon, sulfur b. magnesium, calcium, beryllium c. carbon, fl uorine, beryllium d. neon, krypton, argon e. tin, silicon, sulfur f. calcium, aluminum, nitrogen

Q: atom

A: An atom lose or gain electrons in order to attain noble gas configuration (stable configuration)

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: which elements would most likely have a high second ionization energy? A. Those with a low first…

A: Ionization energy is the energy required to remove an electron from outer most shell of an gaseous…

Q: List the features of Nonmetals?

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

Q: Examine Figure 5.1 and determine the name of the element that Mendeleev predicted before its…

A: In Mendeleev's periodic table elements are arranged according to their increasing atomic…

Q: Which example shows increasing atomic radii from left to right? platinum, paladium, nickel O cesium,…

A: We should follow a simple rule while determining atomic radius. TThe atomic radius decreases on…

Q: 69. What does the graph to the right best represent? a) atomic radii of Period 2 b) ionization…

A: Note: They all are very short questions so I am solving all questions. Given: Graph Rare earth…

Q: 15. What are the properties of nonmetals? Where are nonmetals found on the periodic table?

A: Properties of Non-metals = Non-metals are the elements that gain electrons from the negatively…

Q: As you move right across a period of elements, the number of valence electrons… a. Increases b.…

A: In the periodic table, the number of periods of an element depends on the number of shells in which…

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: In the periodic table, elements in group 6A

A: Introduction: In periodic table ,group 6a elements are Oxygen, Sulphur,Selenium, Tellurium,…

Q: a. What is the chemical formula for enflurane? b. Which element in enflurane has valence electrons…

A:

Q: Which of the following of Dalton’s proposals proved to be invalid? (a) Atoms are indestructible. (b)…

A: Dalton regarded the atom as hard and indivisible. Although Dalton's atomic theory provided a sound…

Q: 7.70 Explain why hydrogen belongs in its own group.

A: Hydrogen is the element which has atomic number 1 and represented as H.

Q: The Rare Earth Metals also have names: a) Oxygen family and Chalcogens b) Calcium family and…

A:

Q: Part I Atomic Struwcture I. Draw four protons in the atom to the right. Label them with thecir…

A:

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

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

Q: Which element would be expected to have properties similar to germanium (Ge)? A) S B) Sn C) Sb D) As

A:

Q: What are valence electrons? A( Electrons on the outermost shell) B ( electrons on the first shell) C…

A: The total number of electrons present in an atom are distributed in the various shell. This…

Q: give some similarities that exist among the elements of the group 1

A: Group 1 in periodic table consists of following elements H Li Na K Rb Cs Fr

Q: What is the ionization energy of an atom? Which atoms have low ionization energies? What groups are…

A:

Q: Which Group would this element NOT fit into?

A: 1. Group 1 elements are called alkali metals, Group 4 consist of transition metals like Titanium,…

Q: d. What is the charge for all of the elements in Group 2? e. What is the charge for all of the…

A: d) The general electronic configuration of group 2 elements is ns2. Thus they lose two e- and form…

Q: Why does each element give off a specific color when heated? Use the Bohr model of the atom to…

A: Why does each element give off a specific color when heated? Use the Bohr model of the atom to…

Q: What is the maximum number of electrons in an atom that can ha antum numbers? (i) n= 3, { = 2, m =…

A: The question is based on the concept of quantum numbers. these are the numbers which designate the…

Q: 1. Periodic table and electron configurationa) How many protons, electrons and Neutrons does the…

A: Hey, since there are multiple sub-parts posted, we will answer first three sub-parts. If you want…

Q: (a) True or false: An element’s number of valence electronsis the same as its atomic number. (b) How…

A: a. Atomic number shows all the electrons that are present in the element whereas valence electrons…

Q: Q1 a) Write the electronic configuration of an ion formed by an element of group1A and period 6. (2…

A: [a.] An element of group 1A and period 6  = Cs ( Caesium) Ion formed by Cs = Cs+ (Caesium ion)  So,…

Q: What is the maximum number of electrons that a single orbital can hold ?

A: An orbital is a three dimensional description of the most likely location of an electron around an…

Q: 7. How do man made elements fit into the periodic table?

A: At present 112 elements are known , among them 88 are naturally occurring elements and the remaining…

Q: Valence electrons in an atom of phosphorus are closer to the nucleus than the valence electrons of…

A: The objective of the question is to explain using the given options that why is that - "Valence…

Q: Br- Se2- Rb+ A and B B and C A and C A, B, and C

A: Correct option is all the above A,B,C. For negative charge we have to add an electron. For positive…

Q: Write the electron configurations for the elements below.  a. Boron  b. Lithium

A: Given Element a. Boron  b. Lithium Electronic Configuration = To be determined  Element Atomic No…

Q: An unknown cation has a charge of 2+ and the electron configuration of 1s2 2s2 2p6 3s2 3p6. What is…

A: Two types of ions are present. Anion and Cation. An ion with a negative charge is called an anion,…

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: Refer to the portion of the periodic table below that shows the elements belonging to the same…

A: The electronic configuration of K which is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ And that of Cl which is 1s² 2s²…

Q: Consider generic atoms A, Be C. It is known that the mass number of A is equal to 101, the mass…

A: The atoms which have the same number of the proton but the neutron number is different is called…

Q: (a) The Group VII elements of the Periodic Table are called Halogens. ) List these elements in order…

A: Halogens:

Q: 24. Does an atom of lead contain f electrons? Explain your answer.

A: Pb lead  Atomic number =82 Electronic Configuration [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²

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: 2. An element that has 9 orbitals 5 fully filled, 2 single electrons and 1 empty orbital (a) What is…

A: f) Mg is a metal and can easily lose two electrons. It have properties similar to group 2 elements…

Q: Look up the density of silicon and of lead in a table online. Then look up the atomic radius of…

A: The densities of atoms depends on the number of protons in the nucleus. The number of protons is…

Q: What is a valence electron?

A: Valence electron is the electron which takes part in the bonding with other element. They are…

Q: 4. Reconsider your energy level diagram for magnesium. Imagine adding electrons untr you reached the…

A: Since there are multiple questions, we are authorized to answer only first question, that is, no. 4.…

Q: How is the periodic Table arranged? (A) Horizontally ( B) Vertically (C) Atomic Mass. (D) Periods…

A:

Q: 23 A student tests the properties of an element and finds that it is malleable, shiny, and conducts…

A: The metals are hard, can be beaten into sheets, can be drawn into wires, shiny, sonorous, etc. A…

Q: According to the bohr model, an atom with 7 electrons has how many PAIRS of electrons? Type your…

A: An atom consists of protons, neutrons, and electrons sub atomic particles. Among those particles,…

Q: Which element is your favorite and why?

A: Answer My favourite element in a Periodic Table is        Carbon

Q: Three isotopes of lithium witch is the most abundant atom?

A: Interpretation-  To tell about three isotopes of lithium which is the most abundant atom .…