What is the valence electrons of halogens? * 1 3 O 7 ООО

Q: Which of the following atoms has the largest atomic radius?    P Mg  Sr

A: The given atoms are P, Mg, and Sr.

Q: magnesium aluminum sulfur silicon

A: To solve this question,  it is very important to write electronic configuration of all the species…

Q: Which element in the 2nd period would have the largest difference in energy between its 4th and 5th…

A: we have to select the element for which difference in 4th and 5th ionization energy is very large

Q: What is the correct simplified electron configuration for Sulfur? 2,8,5 O 2,8,6 O 2,2,6,2,4 O 2,8,7

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Q: Which of these is the smallest? Arsenic Selenium Bromine Krypton Iodine

A: Answer:- This question is answered by using the simple concept of variation of atomic size across…

Q: Which of the following electrons experience the greatest effective nuclear charge?

A: A particular electron in a multi-electrons system does not feel the entire electron nuclear charge…

Q: Using n for the principal quantum number, write the electron configuration for the valence electrons…

A: Valence electrons are those electrons which are present in the outermost shell of an atom.

Q: Elements in group 5A (15) tend to gain 3 electrons. gain 5 electrons. lose 3 electrons. lose 5…

A: Elements in group 5A have five electrons in their valency shell. The general electronic…

Q: How many single covalent bonds are there in a molecule of CH4? 0 1 O 2 O 3 O 4

A: Since you asked multiple questions, we are solving first question for you. For remaining questions…

Q: Which element forms an acidic oxide? * A calcium B lithium O C magnesium O D sulfur

A: Answer- Sulfur element ( non- metal) forms Acidic oxide . Magnesium , calcium , lithium are metals…

Q: QUESTION 6 The following successive ionization energies correspond to an element in the second…

A: 6)  Ionisation energy : The amount of energy required to remove an electron from an outer shell of…

Q: What is the maximum number of electrons that can be accommodated in the shell with n = 4?     32…

A: The maximum number of electrons in the nth shell is ---- 2n2 Where, (n = 1, 2, 3, 4-----). Orbit…

Q: ow many valence electrons are there in group 2 elements? A 1 B 2 C 4 D 8

A: Group 2  element are also known as alkaline earth metal.beryllium ,magnesium ,calcium,…

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

A: General information: a) Ionization energy generally decreases moving from top to bottom down an…

Q: Which group of elements has the largest atomic radii? Halides Alkali metals Alkaline earth metals…

A: Atomic radii varies with the group of periodic table and with this we will answer the question.

Q: Mg is a member of which family? Onoble gases halogens O alkaline earth metals alkali metals none of…

A: Given:MgDetermine the family of Mg.Atom is the basic unit of matter and has a nucleus composed of…

Q: Which of the atoms listed below has the largest radius? Al P Si Ana Mg

A: We have to determine which of the given atoms has the largest radius  The given atoms are  Al P Si…

Q: When barium (atomic number 56 on the periodic table becomes an ion, with which atom does the ion…

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Q: What is the likely charge of the ions formed by members of the following families? Alkali metals…

A: To check the most likely charge we need to determine the valance Electrons on that group. Also…

Q: Explain why Na, A1  0  This is asking why is it exothermic to add an electron to Na but endothermic…

A: The ease with which an electron can be added to an atom is defined as electron affinity. The heat…

Q: You may need to use a special periodic table to answer the question, it is attached in the images…

A:

Q: 32. Which of the following elements should have the smallest second ionization energy (IE2)? Provide…

A:

Q: Refer to the following figure (first three rows of the periodic table) to answer the questions…

A: Group 18th elements are noble gases. They are are unreactive because they have fully filled outer…

Q: Write the condensed (noble-gas) electron configuration of Si.

A: The complete electron configuration of elements can be written by filling the electrons into…

Q: Which of the following elements have a tendency to lose electrons? O Na, Ca, Al OC N, O O F, CI, Br

A:

Q: Elements that gain electrons are anions. Los elementos que ganan electrones son aniones. O True O…

A: The element which release an electron are called cations. The element which accept electron are…

Q: Determine the systematic name for CaSO4

A: Determine the systematic name for CaSO4

Q: The first four ionization energies (IE,through IE4) of a Period 2 element have the following…

A: The question is based on the concept of ionization energy. it is defined as the amount of energy…

Q: QUESTION 17 An orbital for the hydrogen atom contains an electron with an energy of -4.45 x 10-20 j.…

A: Energy is given as:-  - 4.45 x 10-20J

Q: Metals lose electrons under certain conditions to attain a noble gas electron configuration. How…

A: Metal looses electrons to attain Nobel gas configuration which is most nearer to it and thus form…

Q: 2Mg (s ) + O (g ) 2MGO (s) Magnesium (Mg) reacts with oxygen gas (O) to produce magnesium oxide…

A: Given Reaction2 Mg (s) + O(g)  → 2 MgO(s)Correct movement of electron = To be determined

Q: Element Atomic structure (Draw & label) Electron box diagram Electron configuration (without the use…

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Q: elements:Cs      K     Al    Se    F    The element with the largest electron affinity is…

A: In the given question, we have to discuss the periodicity in properties of the given element. There…

Q: Write the number of valence electrons in the elements Ca,Si,Kr,S and Na

A: The given elements are, Ca Si K S Na

Q: 11. How do the core charges for H, Li, and Na compare to each other? Based on this ans and their…

A: 11) Hydrogen , lithium and sodium are placed in same family because all three looses one electron to…

Q: The first five ionization energies (IE, through IE,) of a Period 4 element have the following 1 ll…

A: cobalt

Q: Calculate the ionization energy (kJ) of 1 mole hydrogen atom from third energy leve

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: Which element in the 2nd period would have the largest difference in energy between its 4th and 5th…

A: IONIZATION ENERGY(IE): the minimum amount of energy required to remove an valence electron or…

Q: Use the data given below to construct a Born-Haber cycle to determine the second ionization energy…

A:

Q: Which of the following elements would you expect to have positive electron affinity? Ne Br Cl F…

A:

Q: The diagram shows the electron configuration of an atom of an element for the electrons in the s and…

A: The outer electronic configuration of group 17 elements isgiven by ns2np5 .There are total 7…

Q: Using its electron configuration, explain why antimony can form 3+ or 5+ cations.

A: Atomic number of antimony (Sb) = 51  So, it has total 51 electrons

Q: Which of the following atoms is the largest? O Rb O Li OK Cs O Na

A:

Q: . Which one of the following atoms has the largest radius? S, F, Cl, or O 2. Of the following…

A: Atomic radii is distance between the central of the atom and outermost electron present in valence…

Q: The graph below represents successive ionization energies (IEs) in kJ/mol for a particular element…

A: The elements of third period given are Aluminium (Al), Silicon (Si), Phosphorous (P), Chlorine (Cl)…