Q 1.2: TeCla has a total of valence electrons. A 30 B 26 C 34 D 32 E 28

Q: Assuming that the shape of atoms is spherical, what is the diameter (in angstroms) of an atom that…

A: A multiple choice question based on atomic structure, which is to be accomplished.

Q: MCQ 13: The element of group IV which is metal is A. Carbon (C) B. Germanium (Ge) C. Lead (Pb) D.…

A:

Q: Which of the following ions has the largest size? Select an answer and submit. For keyboard…

A: Given ions of elements Cs,K,Li,Na and Rb are members of group 1 of the periodic table. Also known as…

Q: Which of the following correctly ranks the ions Ca2+, S2–, K+, Cl–, and H+ in order of increasing…

A:

Q: 1s 25 2p How many 1s electrons are in the ion?

A: Given :  An atomic cation configuration is given and we have to write the electrons present in 1s.

Q: What's the difference between an atom and a molecule?

A: 1. Atom is the smallest particle of an element which may or may not exist freely. They participate…

Q: 1.Choose the element symbol pair which is correctly matched: A.Cobalt Co B.Carbon Ca C.Chlorine Ch…

A: cobalt is correctly matched with Co and carbon is represented by c       chlorine by Cl      calcium…

Q: 2) de The number of lines exhibited by hydrogen(s) a is The number of lines exhibited by hydrogen(s)…

A: In 1HNMR splitting pattern (multiplicity) can be determined by following- Multiplicity = 2nI + 1…

Q: b) Alpha iron (a-iron) is BCC crystal structure and has atomic weight of 55.85 g/mol and density of…

A: We know that : d = nM/(a^3*N)  Or, a^3 = (nM/dN) ....(1)  Here, n = 2, M = 55.85 gm/mol, d = 7.87…

Q: An atomic anion with a charge of – 1 has the following electron configura 1s²2s²2p° What is the…

A: Anion is formed by gain of electrons.

Q: An atomic cation with a charge of +2 has the following electron configuration: 35 What is the…

A: A cation with +2 charge has two electrons less than the neutral atom.

Q: M+1 and M+2 relative eak). Use the isotope d. C10H19CI e. CioH19Br

A:

Q: 1. Atomic Structure. 106 a) 46 Pd*2 b) 232 92 U

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Q: Which of the following images correctly shows a Magnesium with a 2+ charge (Mg2)? Mg Mg Mg Ma D

A:

Q: s: 4s! Ba104p! 28 3 outer electrons: Incorrect Incorrect 3 s: Incorrect 4f\45d*

A: Electronic configuration is the distribution of electrons in various orbitals.  A)  Inner electrons…

Q: Which of the following has the greatest number of electrons?   a. Ca2+   b. K+   c. Cl-   d. S2-…

A: Number of electrons in Ca2+ = 20 - 2 = 18 e- Number of electrons in K+ = 19 - 1 = 18 e- Number of…

Q: 4. Naming lonic Compounds 1. Compete the table below by providing either the chemical formula or the…

A: During naming of inorganic compounds cation is written first followed by anion and suffix ide is…

Q: A diagram of the periodic table of the elements is shown below. Periodic Table of the Elements In…

A:

Q: Write the following from largest to smallest size. C (a) Ca, Mg2+, Ca2+

A: (a) Comparing the size of a cation and neutral atom, cation will have smaller size.   Therefore, the…

Q: 10. Which of the following subs CBr CBr F CBr,F2 CBRF CF 11. Which of the following liq CH;OCH;…

A: CF4 has lowest boiling point Explanation: The higher the intermolecular forces, the more the boiling…

Q: 6. What are the no of protons and electrons on the following ions: (a) Ca , (b) F , (c) 0? , and (d)…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: re in the n = 3 shell? m number of electrons in the n = 3 shell?"

A: Circular path around the nucleus where electrons revolve ,called shell. Subshells in n = 3 are 3s…

Q: alent cory allows us to determine the Il Proctorio is sharing your screen. Stop sharing Hide 2 66…

A: Ionic bond are the bond  formed by transferring of Electrons. Covalent bonds are formed by sharing…

Q: For Items 11-25, refer to the image below. The atoms were represented by letter in the boxes. Please…

A: The given structure can be analysed as follows:

Q: 55. Evaluate Identify any incorrect names or formulas from the following choices. Explain your…

A: The naming of ionic compounds is done in a way that cation name is written first followed by the…

Q: 9: Which of the following is an alkali metal? A) Zr B) Rb C) Cs D) Te 10: The symbols for Potassium,…

A:

Q: For the below question consider the following problem. If the radius of a potassium (K) atom is 2.48…

A: Given information, Radius of potassium atom (K) = 2.48*10-7 mm Length of the line = 5.6 in 1 in =…

Q: What element is “X" give the chemical symbol? а.) X 1s°2s°2p® b.) X²+ 1s°2s°2p°3s°3p®

A: We have to identify  the  element 'X' for the  given two electronic configurations.

Q: 10 Which of the following sets, are all compounds? a) Water, Salt, Ammonium nitrate b) Carbon…

A: All the matters are composed of atoms. The matter that formed by only one type of atom is known as…

Q: Determine possible chemical formulas for the following M* A M+ = 98 m/z В M+ = 72 m/z C M+ = 88 m/z

A: Hello. Since the question contains more than three sub-parts the first three sub-parts shall be only…

Q: Beginnine with close st noble gas, follacng elements, lon list Configurafion. electrpn Mrt, atomic #…

A: When we begin the electronic configuration from the Noble gas, it is called Short hand notation of…

Q: Al2(CO3)3 contains ___ Al3+ ion(s), ___ C atom(s) and ___ O atom(s).

A: A molecule A x B y contains x atoms of element A and y atoms of element B.

Q: 8. What is the formula mass of a compound that forms between the fictitious element Marvinium and…

A: Formula mass :- Formula mass of the compound is the summation of atomic mass of all atom present in…

Q: Order the following from smallest to largest 1 Tin, Sn ! Germanium, Ge 3 Silicon, Si 4 Carbon, C 2.

A:

Q: name: even if it is not a real element S2C5 K5O6 Fe3Cl6

A: In an ionic compounds there are captions and anions. While writing names of ionic compounds first…

Q: 3. The radius of a hydrogen atom is 0.529 A. (1010 A = 1 m) Convert the radius of a hydrogen atom:…

A: (3) Consider the given information is as follows; Radius of hydrogen atom = 0.529 A° 0.529 A° = ? m…

Q: Q3.A/ The atomic model that is currently used is called:

A: There are t atomic models proposed by scientists till today.

Q: 2) a OCH b The number of lines exhibited by hydrogen(s) a is The number of lines exhibited by…

A:

Q: 2) a b H,C The number of lines exhibited by hydrogen(s) a is The number of lines exhibited by…

A:

Q: 1. mCРBA, СH-Clz 2. H20, H* Pr 3. NalO4 4. H2N `Pr

A: In presence of m-CPBA formation of epoxide takes place and on hydrolysis wi gets vic-diol. Vicinal…

Q: A. Multiple choice. Encircle the letter of the best answer and correct answer in the following…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The valency of calcium is 2.   Select one: True False

A: Electronic configuration of Calcium (Ca) is given by following ; 1s2 2s2 2p6 3s2 3p6 4s2 The…

Q: Q: Find the number of Na* ions in 2.92 gram of Na,PO,? (Skoog, Q4.7) ERSITY

A: We can found the number of Na+ ions in 2.92 gram of Na3PO4 by the below process,

Q: Compute the charge of a cation: Ba+2 A 1.300 x 10-19 c 2.214 x 10-19 c C 3.204 x 10-19 c 4.5 x 10¬19…

A: A neutral barium atom donates two electrons and is converted into a +2 charged cation. Ba  →  Ba2+…

Q: The atomic number of fluorine is 9. How many electrons does an ion of fluorine have if it is…

A: Given, 9F1-

Q: Determine the number of atoms in 1.96 mL of mercury. The density of mercury is 13.5 g/mL

A: Given: Density of mercury = 13.5 g/mL Volume of mercury = 1.96 mL We know,…