Rb Br Rb* Rb Br Rb+ Br Rb Br A B D

Q: 2.1. A neutral atom has the following electronic configuration: 1s 2s 2p° 3s 3p (a). How many…

A: Given electronic configuration : 1s2 2s2 2p6 3s2 3p5

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: When we go from top to bottom in a group size increases due to increase in number of shell. When we…

Q: Read each description in the first column of the table below. If any chemical element with atomic…

A: Given :  Chemical element with atomic Number 92 or less

Q: Which is the largest atom out of the following? a) Bi b) N c) P d) As

A: We will answer this question using study  periodic table and periodic trends.

Q: What is the chemical symbol of the element found in the 4th family and 5th period of the periodic…

A: Carbon family is called 4th family and there elements are C , Si , Ge , Sn , Pb , Fl

Q: (Q76) Which of the following elements would be expected to have a particularly large energy gap…

A: IE3 and IE4 means third and fourth ionization energy.  Large energy gap between IE3 and IE4 is only…

Q: 3-(a) Write out the full electron configuration of Calcium (Ca). (b) How many electrons are in the…

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Q: If the atomic number of magnesium is 12 , the outer s p shell in the electronic configuration is a)…

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Q: What would be your reaction to a claim that a new element had been discovered, and it fit between…

A: Periodic table is a collection of chemical elements which are arranged by increasing atomic number.…

Q: A) An anion with a -1 charge has the electron configuration: [Kr] 5s24d105p6 The atomic symbol of…

A:

Q: An element with the electron configuration [Xe] 6s 4f145d would belong to which class on the…

A: Given :- electron configuration of an element = [Xe]6s14f145d9  To identify :- class of that element

Q: ö: j y- :0 :0 :0= :o:

A:

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: 1. To what group in the periodic table do the elements listed belong ? 2. Why these elements are…

A: The elements listed are called inert gases and belong to the group 18 of the periodic table. They do…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: As we move from left to right in a period then size or ionic radii of element is decreases. As we…

Q: Order these elements from highest to lowest ionization energy 1 | Chlorine, CI | Fluorine, F 3 |…

A: The ionization energies (in kJ/mol) of F,Cl,Br and I are 1681,1255,1140 and 1008 respectively. So…

Q: 2.) What is the number of free electrons per copper atom? Assume a density of 8.9 g/cm3 and an…

A: Here, in this question we have to calculate the number of free electron in copper atom. according to…

Q: 3,1,0, + [Kr] 5s' 3d [He] 2s 2p

A: As the question is multiple sub parts therefore we are supposed to answer first three sub parts.…

Q: Order these elements from lowest to highest ionization energy | Fluorine, F | Bromine, Br 3 |…

A:

Q: Which of the following metals would be expected to have the smallest atomic radius? A) Cesium (Cs)…

A: In periodic table, on moving left-right the element's electronegativity as well as atomic number…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: The trend in atomic size in a periodic table is as follow- The atomic size in same group going from…

Q: which one of the following ions is isoelectronic with krypton? (a) Ca^2+  (b) K^+   (c) I^-…

A: Number of electrons in the given ions is determined as follows, In a neutral atom, number of…

Q: Which of the following groups of elements is arranged correctly in order of increasing first…

A: For First ionization energy , We know fluorine has maximum ionization energy due to its small…

Q: How many valence electrons does an element in each group contain: (a) 2A; (b) 4A; (c) 7A?

A: (a)  Group 2A : Valence electrons = 2 (b)  Group 4A : Valence electrons = 4 (c)  Group 7A : Valence…

Q: Which of the se pairs of elements would be most likely to fom an jonic compond a:) P and Br b.) Cu…

A:

Q: Describe the relationship between:a. the radius of a cation and the radius of the atom from which it…

A: a) When the electrons are lost from an atom, it leads to the formation of a cation. This results in…

Q: Use the Periodic Table to arrange the following elements according to increasing atomic size.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Which element has the smallest atoms? -- P B Mg N

A: The trend of atomic radius in periodic table is as follows: Atomic radius decreases as we move from…

Q: Árrange the following atoms in the order of increasing ionization energy, by numbering them from…

A: Ionization energy is defined as the energy required to remove an electron from an isolated gaseous…

Q: (Q75) Which of the following elements would be expected to have the highest first ionization energy…

A:

Q: Which atom has the smallest atomic radius P CI Si S How many protons neutrons and electrons does the…

A: the detailed answer is attached below.

Q: 2.) What is the number of free electrons per copper atom? Assume a density of 8.9 g/cm³ and an…

A:

Q: 5A 6A 7A 1A H. Li 2A ЗА 4A 8A He Ne Ar Kr Be Mg Са Na P. Al Ga Si CI Br According to this…

A: Modern periodic table was prepared by Henry Mosley which is based on modern periodic law according…

Q: An atomic anion with a charge of-2 has the following electron configuration: 15252p'3s'3p What is…

A: Atomic anion with a charge of -2 has electron configuration: 1s2 2s2 2p6 3s2 3p5 ⇅  ⇅  ⇅⇅⇅  ⇅  ⇅⇅↑…

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not thể…

A: Elements based on their periodic locations: 1.) Period 3, Group 2 (2A) : The third period contains…

Q: Which of the following groups of elements are not all metals? O AI, Zn, As Bi, W, Mo Ba, Sr, Pb Ag,…

A: an element is said to be a metal if it easily loses its valence electron in favorable condition.

Q: valence electrons?

A:

Q: stable charge

A: An atom acquire charge in order to attain noble gas stable electronic configuration.

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: We have to arrange the following elements and ion in decreasing order of their size.

Q: -a)Identify the following elements by condensed elcotron contiqurations of the element.) neutral…

A: To solve this problem first we have to count the total number of electrons to know it's atomic…

Q: the n=2 shell of an atom may contain up to ______ electrons

A: • We need to determine the n=2 shell of an atom may contain how many electrons.

Q: From the following list of elements—Ar, H, Ga, Al, Ca, Br, Ge, K,O—pick the one that best fits each…

A: The elements are classified on the basis of their atomic numbers in the periodic table. It was first…

Q: Give an example of an atom whose size is smaller than fluorine.

A: Atomic size of an atom is defined as the distance between valence shell of the atom and the nucleus…

Q: what is the maximum number of electrons that can have n=4, l=2 and ml=1 in an atom?

A:

Q: How many electrons are present in the d sublevel of a Fe^ 3+ ?

A: Fe (iron) Atomic number = ki The electronic configuration of Fe  = 1s22s22p63s23p64s23d6    In the…

Q: Of the following atoms, which has the largest first ionization energy?   a. K b. Rb c. Sr d. Ca e.…

A: We have given that  To know which element have large first ionization energy first we know what is…

Q: What is the maximum number of electrons that can have n=4 and l=2 in an atom?

A:

Q: 3-48 Based on periodic table position, select the two elements in each set of elements that would be…

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Q: Which of the following elements requires the least energy to remove an electron? As N P Sb

A: Which element required least energy to remove electron ?

Group 14 Elements

The following elements come under group 14 of the periodic table.