Give the total number of electrons, the number of valence electrons, and the identity of the element with each electronic confi guration. a. 1 s22 s22 p63 s23 p6 b. 1 s22 s22 p63 s23 p64 s23 d7 c. 1 s22 s22 p3 d. [Kr]5 s24 d105 p2

Q: The halogens have .......(number of) electrons in their valence shell. Select one: a. 2 Ob. 8 O c. 5…

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Q: " The electron configuration can also be represented by writing the symbol for the occupied subshell…

A: The electronic configuration can be written using three basic rule 1. Aufbau principle.2. The…

Q: 3. List the atomic radius with units for each element. You may use the table in your textbook or…

A: As we move down a group  atomic size increase and hence atomic radius also increase . As we move…

Q: For each element, give the following information: [1] total number of electrons; [2] group number;…

A: a) The total number of electrons in oxygen is 8. Oxygen belongs to group 16. The number of valence…

Q: est atomic radius? Sasugt olingie po 0yc e atements is incorrect? ence electrons will form an ion…

A: Tl has highest atomic radii because it belongs to period 6

Q: Which of these shows the electron configuration of an element that has chemical properties that are…

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Q: III. Periodic Properties A. Answer the following questions about elements and their properties based…

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Q: 78. Potassium metal tends to lose one electron while calcium metal tends to lose two electrons. Why…

A: Ionisation energy is defined as the amount of energy required to remove the most loosely bound…

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

A: First we will discuss about the concept atomic radius. The atomic radius is the distance from the…

Q: 4. Write the following: a. Orbital diagram regarding the electrons Silicon has. (Note, this should…

A: Since you asked  specific question but there is multiple questions so as per Q&A guidelines of…

Q: 4a. Going across rows in the periodic table, do you expect atomic radius to increase or decrease? b.…

A: a. As we go from left to right in a periodic table, atomic radius decreases. On moving from left to…

Q: ur ionization energies for

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Q: A. A main group element with the valence electron configuration 3s23p1 is in periodic group It forms…

A: Answer-1 In both mentioned elements final electron has been filled in p-subshell, therefore both the…

Q: 1. Boron 2. Cadmium 3. Phosphorus 4. Neon 5. Radon A. [Ne] 3s²3p³ B. [He] 2s²2p¹ C. [He] 2s²2p6 D.…

A: The electronic configurations of some elements are given. Match the elements with the given…

Q: Arrange the elements in each group in order of increasing ionization energy. a. phosphorus, silicon,…

A: The ionization energy is the amount of energy required to remove the loosest electron from the…

Q: 6. Arrange the following atoms in order of decreasing size-largest to smallest (assuming all atoms…

A: As we move along the period atomic size decreases and as we move along the group atomic size…

Q: A. A main element with the valence electron configuration 5s- is in periodic group group It forms a…

A: When an atom excepts electrons, it acquires a negative charge whereas when an atom loses electrons…

Q: Which of these elements has two s and six p electrons in its outer energy level?   A. He…

A: Given: The valence shell has 2 s and 6 p electrons in the outer energy level i.e. valence shell.

Q: 7. In each of the following sets of elements, which element would be expected to have the highest…

A: Ionisation energy is the amount of energy required to remove an electron from isolated gaseous atom.

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.