28. The second ionization energy of Mg is 1445 kJ/mol. The first ionization energy is a) 1445 kJ/mol b) less than 1445 kJ/mol greater than 1445 kJ/mol c) More information is needed to answer this question. d)

Q: Write condensed electron configuration for Te*t.

A: Tellurium (Te) atomic number 52. In its neutral state it has 52 electrons. The electronic…

Q: The smallest part of an element that retains the properties of the element is called an?

A: Elements are the purest form of matter available to us. The elements are made up of only one type of…

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: A new element is discovered, and called calpolyium, Cp. Based on its reactivity, Cp is placed below…

A: Francium, Fr is an alkali metal and it has outer most configuration ns1 . A new element Calpolyium,…

Q: atom

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

Q: An element with the electron configuration [noble gas]ns2(n - 1)d10np3 has ____________ valence…

A: The electrons which are present in the outer most shell of the element is known as valence…

Q: The following information is given for three metallic elements A, B, and C. What elements are A, B,…

A: Given: for FCC Density = 7.6479 g/cm3 Radius = 0.12894 nm = 0.12894 × 10-7 cm For BCC Density =…

Q: Which atom has the largest first ionization energy? - Ga - As - N - B

A: Ionization energy is the amount of energy required to discharge an electron from an isolated,…

Q: Use the periodic table to determine  quantity. the number of 3s electrons in Mg

A:

Q: Complete ALL boxes in the table below. Number Number Number Number of Chemical name of valence…

A: NOTE: please note according to our policy , we can only answer first three subparts of a question.…

Q: When an alkali metal forms an ion, what is the charge of the ion? What is the charge of an alkaline…

A: Alkali metals are those metals which are present in the first group of the periodic table. The…

Q: The charges of a set of isoelectronic ions vary from 31 to 32. Place the ions in order of increasing…

A: Solution- Isoelectronic species can be defined as species having the same number of electrons. We…

Q: What charge would Ti have to be isoelectronic with Ca2+?

A: Isoelectronic species are those species which have same number of electrons present in them.

Q: 72. State the predicted ionic charge of nonmetal ions in each of the following groups of elements.…

A: Given  Group 14 , Group 15 ,Group 16 ,Group 17 ionic charge in these group element = ?

Q: Write electron configurations for each element.(a) Mg (b) S (c) Ga

A: The electron configuration of the given compounds has to be given,

Q: Which elements are considered to be representative elements?

A: Whole periodic table classified into 3 parts:-  Transition elements  Representative elements…

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

A:

Q: Which of the followings is an isoelectronic series?

A: ions or atoms that are having same number of electrons present on it is termed as " isoelectronic…

Q: ________ is isoelectronic with argon, and ________ is isoelectronic with neon.   a. Ca2+, Mg2+ b.…

A: Isoelectronic means number of electron is same. Thus,

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

A:

Q: 2. Use the first-row transition metals (Sc to Cu) as an example to illustrate the characteristics of…

A: First row transition metals from Sc to Cu are Sc, Ti, V , Cr , Mn, Fe , Co , Ni, Cu

Q: Which of the following is the smallest in terms of energy? a.IE1  of Na b.IE1  of Kr c.IE2  of Na…

A: Ionisation energy

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: Refer to Figure and explain why there are signifi cant decreases in ionization energy between some…

A: Argon has a stable electronic configuration due to filled 3s and 3p-orbital whereas, potassium has…

Q: Of the following, which element has the highest first ionization energy?   I Rb Sb In

A: Ionisation energy is define as the energy required to remove an electron from gaseous atom or an…

Q: Use coulomb’slaw to explain why each successive ionization energy increasesin value for any element,…

A: The magnitude of successive ionisation energies for an element is increases because there are fewer…

Q: Given the following elements, arrange them accordingly: Elements Increasing Ionization Energy…

A:

Q: Compare ionization energy (, or =): Sn ___ Si Cl¯ ___ Cl Li ___ Rb Ca2+ ___ Ca

A: Ionization energies decrease down a group and increase across a period.

Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°. This ion is…

A: A monoatomic ion with a charge of +1 has an electronic configuration of 1s22s22p63s23p6.

Q: List the following from lowest to highest first ionization energy. Cl, Na, K

A: Ionization energy : The energy required to remove the highest energy electron i.e.valence electron…

Q: higher ionization energy

A:

Q: Which statement describes the trend of ionization energy in the periodic table? (a)   increases…

A: Ionization energy definition- Minimum energy required to remove electron from a isolated gaseous…

Q: 1) Which of the following make an isoelectronic pair? A) Ca and Fe³+ B) O and F C) F and CI D) Cl…

A: Isoelectronic pair are the species which have same number of electrons.

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: (b) Element X has the electronic configuration 1s22s 2p 3s2 3p. (i) State the block of the periodic…

A: b (i) Given electronic configuration for element X = 1s22s22p63s23p5  Since, Element X has 17…

Q: Answer these questions about the data table Atomic lonization Number Energy (volts) What is the…

A: 4) atomic No 2 ha r highest energy which atomic number is 2

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: 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: Selenium complete configuration: abbreviated orbital diagram: Cobalt complete configuration:…

A: for the given elements, we have to write the complete electron configuration and the abbreviated…

Q: Which element would you expect to be more metallic? (a) Ra O Mg (b) O I O Br (c) In Al

A: Metallic character decreases as we move across a period in the periodic table from left to right.…

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: Removing an electron from an atom (ionization energy) always requires energy to be put into the atom…

A: Ionisation energy is amount of energy required to remove electron from any atom from it's gaseous…

Q: How do you solve question 9?

A: Ionization energy:  It is the energy required to remove an electron from an atom in gas phase.

Q: Of Na and Mg, which would have the lower 2nd ionization energy, and why?

A: Given: Sodium and potassium  To find : which has lower second ionization energy.  Solution:…

Q: Use the periodic table to determine  quantity. the number of 6p electrons in Pb

A: The periodic table is a tabular arrangement of the different elements available on Earth. The…

Q: 3.Why is the ionization energy of Ca higher than that of K but lower than that of Mg?

A: As we move down the group in the periodic table atomic size is increased hence ionization enthalpy…

Q: What are ionization energy for atoms : (a) F (b) Ca (c) Ba

A: a)  ionization energy of F = 1681 KJ/mol b)  ionization energy of Ca = 589 KJ./mol