Q: How many 5p electrons are in Ba?

A:

Q: Which of the elements listed below would have atoms with the largest atomic radius?* Carbon…

A: Carbon, Germanium, Silicon & Lead  lie in the same group which is 14th group. Silicon lies below…

Q: 50. Fill in the blanks to complete the table. Element Name Element Symbol Atomic Number Al 13 lodine…

A: An element is the purest form of a substance consisting of only one kind of atoms. For example,…

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: How many valence electrons does each of the following atoms have? a. titanium, Z = 22 b. iodine, Z =…

A: The number of electrons present in the outermost shell of an atom is known as valence electrons. The…

Q: Which of the atoms listed below would have the largest atomic radius?   Select one: Sr Ge As Sn Ca

A: The atomic radius for a given element can be defined as the measure of the measure of the size of…

Q: Draw the energy-level diagram for the atom of each of the following elements: (a) boron (b)…

A: The energy-level diagram for the atom of each of the following elements has to be drawn.

Q: ö: j y- :0 :0 :0= :o:

A:

Q: Order the elements Sr, Ca, and Se in order of decreasing atomic size.(a) Se > Sr > Ca (b) Ca…

A: We know, In periodic table, As we move left to  right in a period: The atomic size decreases in the…

Q: 8. Which pair of elements do you expect to be most similar in their chemical properties? a) K and Fe…

A: Most similar in their chemical properties

Q: Na CI These 2 elements are in the same Period, what Period would it be? 1 18 2

A: Sodium (Na) electronic configurations [ Ne] 3s1 , Last electron is in  3S ,So principal  quantum…

Q: What is this element? [Ne] 3s2 * a. Neon b. Magnesium C. Aluminum d. Potassium As you go farther…

A:

Q: Which pair of elements below would be the least similar in their chemical properties?  a) Be-Al…

A: Element in the same group have similar chemical properties. Also same pair of elements shows…

Q: Based on the periodic law, which element would have similar properties to arsenic? francium (Fr)…

A:

Q: Which particle diagram represents a mixture of three substances? * 1 point Key O = an atom of one…

A: option 2  here in this image , there are 3 different types of molecules 1) two atoms of one element…

Q: Which of the atoms listed below would have the smallest atomic radius? Select one: I Na Ba Cl Mg

A: An atomic radius is the radii of an isolated, non-bonded and electrically neutral. The general trend…

Q: Identify the electrons per shell number and draw the atomic model of the following elements a.…

A: Atomic number = 13 Electronic configuration:1s22s22p63s23p1 Shell: n=1 : 2 electrons n=2: 8…

Q: Which atom is the smallest? ΟΝ 00 OP OS

A: The modern periodic table is composed of 18 groups and seven periods. The physical and chemical…

Q: Table 1. Number of Protons and Electrons in Materials X, Y, and Z Materials Number of Protons Number…

A: X = Ge2+  p = 32 , e = 30 Y = Ti6-  p = 22 , e = 28 Z = Ar  p = 18 , e = 18

Q: Of the following four elements which pair has atoms closest in size? Na, K, Mg & Ca O Na & Mg O Mg &…

A: Distance from the nucleus of an atom to its outermost shell is known as atomic radius of the atom.…

Q: Which statement is INCORRECT? Rb is larger than Rb* O Ra is larger than Ba Mg is larger than P Ca2+…

A: Atomic radius is the distance between center of nucleus and outer most shell In period atomic radius…

Q: Which of the following atoms have the least metallic character Li Cs Rb K Na

A: We are to find the element with least metallic character among the given Li Cs Rb K Na

Q: Consider the following periodic table: Li Na K Rb Cs Identify the atom that has the largest atomic…

A: Given elements, a. LI b. K c. Na d. Rb e. Cs

Q: list the ions listed below in the proper increasing atomic size? Li+, Sr2+, N3-, F-

A: As we move left to right in a period, the force of attraction between the nucleus and the valence…

Q: Place these atoms in the order of increasing atomic radii: Ca, Mg, P, and Cl. a. Cl < P < Mg < Ca…

A:

Q: 3. What is the symbol for the element in group 7 and series 5? a. Nb b. Db c. Te . Bh e. None of the…

A: In the periodic table, group 7 elements are Mn, Tc, Re and Bh. In the above elements, Tc is present…

Q: Which of the elements listed below would have atoms with the lowest ionization energy? * O Lithium O…

A: Ionization energy of an element is the amount of energy required to eject an electron from its outer…

Q: Which of the atoms listed below has the largest radius? Multiple Cholce Sb Se

A: Answer -  option (1) Sb atom has the largest radius.

Q: Order these elements from lowest to highest ionization energy 1 | Phosphorus, P 2 | Silicon, Si 3…

A: Ionisation energy is the energy required to remove electron from the outermost shell of an atom.  It…

Q: Write the electron configuration for the following particles  S  V  Cl Al3+  Fe3+

A: filling of an electron in shell of element using pauli and hunds rule ìs known as electronic…

Q: Write the electron configuration for the following elements and ions using spdf notation (without…

A: Electronic configuration of elements and ions

Q: Which of the following elements has the smallest value of IE3? Select the correct answer below: Na…

A: Introduction : Ionisation energy is defined as the amount of energy required by an isolated gaseous…

Q: Of the following elements, the one with the largest atomic radius is____ A)aluminum  B)calcium…

A:

Q: Which of the following elements is largest in atomic size? A) Ba B) Ca C) Mg D) Be

A: The atomic size or radius of the element is said to be the distance from the nucleus of an atom to…

Q: consider an atom of 63cu. how many protons neutrons and electrons does this atom contain

A: All the element in periodic table, have various number of isotopes. The atomic number of an element…

Q: Which of the atoms listed below has the largest radius? Multiple Cholce 54 Sb Se P. CI

A: Solution:    Atomic radius is determined by the attractive forces between electrons and nucleus,the…

Q: 7. Which of the following are incorrectly paired? a) K, alkali metal b) Ba, alkaline earth metal c)…

A: Since, you have asked multiple questions, we will solve the first question for you.  Question-7 : In…

Q: 3,1,0, + [Kr] 5s' 3d5 [He] 2s? 2p

A: According to guidelines I am supposed to answer first three part only please ask rest of the part as…

Q: Which atom  is the smallest? A. silicon B. carbon C. phosphorus D. nitrogen

A: We will write about the smallest

Q: what is the atomic number of an ion with a positive three charge when it has 12 electrons? A) 18 B)…

A: Atomic number (Z) :-  The number of protons present inside the nucleus of an atom is called atomic…

Q: How many electrons are in 99Tc+?

A: Every element has electrons equal to its total atomic number given in the periodic table.

Q: 93. Which pair of elements have chemical properties that are the most similar? c. Cobalt and Copper…

A: The periodicity in the properties of the elements i.e, repetition of certain chemical properties of…

Q: Which of the following atoms is correctly listed with its number of valence electrons? Li has 3 B…

A: Valence electrons are electrons present in outermost shell or energy level of an atom. The number of…

Q: Which of the following elements has the highest ionization energy? Ca Al Ne Ba Cl

A: As we move up to down in a group, the number of shell increases and valence electron experience…

Q: Cations (5 items) (Drag and drop into the appropriate area) ✔ In = Rb Sb Items in order 1 Sn Largest…

A: Given atoms of STRONTIUM(Sr),INDIUM(In),RUBIDIUM(Rb) and ANTIMONY(Sb). We need to arrange them in…

Q: If abbreviated as 24Na2+ 1 atom of this substance would have____ protons,____neutrons, and____…

A:

Q: Which one of the elements below has a single atom as its representative particle?  A) nitrogen B)…

A: The given elements are Nitrogen, iron, argon and Phosphorus.

Q: How many valence electrons are there for the following atoms: (a) B fill in blank (b) Se fill in…

A: (a) B Atomic number = 5 Electronic configuration=1s22s2 2p1 The number of electrons in outermost…

Q: Write the standard isotopic notation for the following atom a) 3p, 3e , 3n

A: • The values provided in the question are:-     i) Number of protons in an atom = 3  ii) Number of…

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 ?