Part A: How many valence electrons does sodium (atomic# 11) have? Part B: How many valence electrons does Calcium (atomic# 20) have? Part C: How many valence electrons does Boron (atomic#5) have? Part D: How many valence electrons does Silicon (atomic# 14) have?

Q: Which of these elements is most likely to form ions with a 2+charge?(a) Li (b) Ca (c) O (d) P (e) Cl

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Q: How many valence electrons do the following atoms have?a. boron     b. nitrogen     c. oxygen     d.…

A: In an atom, the last atomic shell is known as the valence shell and the electrons accommodated in…

Q: Part A: How many valence electrons does krypton (atomic #36) have?  Part B: How many valence…

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Q: Write the electron configuration for each of the following ions:   P 3- Mg 2+ Cs 1+

A: Here we are asked to write the electron configuration for each of the following ionsP3-, Mg2+  and…

Q: fluorine atom has 9 electrons - 7 in its outer shell and 2 in its inner shell. How many electrons…

A: To become fluoride ion, fluorine must have 8 electrons in its outermost shell.

Q: How do Group VIA elements form ions? A) They lose protons B) They gain two protons C) They lose two…

A: Ans Group 6A (or VIA) of the periodic table are the chalcogens: the nonmetals oxygen (O) The common…

Q: How many electrons are in a tin atom? Give the number of electrons in each shell. How many valence…

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Q: which of the following elements is the exception to the octet rule? 1. carbon 2. nitrogen 3.…

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Q: How does the molecular-level structure of HDPE and LDPE influence their physical properties? How do…

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Q: or questions 51 thru 53, type the number of electrons in the VALENCE shell for the atoms listed.…

A: Cl has 7 electron in its valance shell Si has 4 electron in its valance shell

Q: Determine the number of electrons that the four elements below require to obtain an octet of…

A: Given elements are, nitrogen ,oxygen, carbon, fluorine Octet means 8  electrons in last shell.

Q: How many valence electrons does N have? 07 O 14 02 0 3 05

A: Given-> Nitrogen (N) Valence electrons are electrons in the outer shell associated with an atom ,…

Q: Which of the following atoms has three valence electrons? In         Cl         Ca        Ge…

A: This question is related to atomic structure. Electronic configuration is the distribution of…

Q: For each of the following species, give the total number of electrons, the number of electrons in…

A: Step 1- For each of the following species, the total number of valence electrons, the electrons in…

Q: Which atom is expected to form a stable -2-charged ion? A) Rb  B) Cl C) Ar D)K E) Se

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Q: How many valence electrons does the sodium atom possess? Question 4 options: a) 1 b) 2 c) 11 d) 12

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Q: What is the total number of valence electrons in SF 6?     46     48     51     52     56

A: Valence shell is the outermost shell of an element. The electrons present in the valence shell of an…

Q: Fluorine is in group 17 (also named VIIB) on the periodic table. How many valence electrons does it…

A: Valence electrons :-  The number of electrons present in outermost shell (Valence shell) of an atom…

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

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Q: Judging from their relative positions in the Periodic Table, which element in each set is more…

A: Electronegativity Electronegativity is the ability of an atom to attract the shared pair of…

Q: Which of the following atoms will form a +2 ion? A. Li B. Al C. Mg D. O E. Br

A: Atoms can either lose or gain electrons , so that it outermost valence shell has eight electrons…

Q: Beryllium has an atomic number of 4. How is beryllium likely to form a stable electron arrangement?…

A: Answer : by losing two electrons beryllium acquire stable electron arrangement.

Q: Write the electron configuration for P2. How many electrons are in the 3p orbital? How many total…

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Q: Nonmetals in Group 16/6A of the periodic table form ions with what charge? a -2 b +2 c -6 d +6

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Q: A neutral object is sketched below, in black and white. There are positive and negative electric…

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Q: How many valence electrons are in the sulfate anion? A. 32 B. 30 C. 26 D. 28

A: Valence electron in polyatomic compoud or ion = sum of valence electrons of atom present in species…

Q: Give the number of valance and core electrons for each. Valence electrons are from the group number.…

A: Number of electrons lies in the outermost shell of the atom is known as valence electrons and they…

Q: 13. Below, the ionic radii of several ions are shown relative to the radius of neutral atoms of the…

A: Atomic radius: The distance between the center of the nucleus and the outermost electron is known as…

Q: nucleus The atom pictured above has valence electrons. O 2 O 12

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

Q: LEVEL1 1) Fill in the blanks below: a) Valence electrons are in an ionic bond. in a covalent bond.…

A: Valence electron is an electron which is present in outer shell. It can participate in the formation…

Q: symbol for the alkali metal that has valence electrons in n = 3

A: To determine the symbol of the alkali metal that has valence electron in n = 3 shell.

Q: How many valence electrons does each element have? O: H:

A: The elements given are O and H.

Q: 4. What is the total number of valence electrons in each of the following? NO2 NH3 PCI, H20 PFs [PF]

A: The total number of valence electrons in any species is given by, => Total number of valence…

Q: How many valence electrons are in one oxalate ion, C₂04²-? O 34 valence electrons O 32 valence…

A: The total number of electrons present in theoutermost valence shell is known as valence electrons.

Q: predict which is longer, the P ¬ Br bond in PBr3 or the As ¬ Cl bond in AsCl3

A: Phosphorus lies on the top of As in group 15. As we go down the group, the atomic radius increases.…

Q: How do you do an ionic bond for Al with P? How do you do an ionic bond for Al with O? How do you…

A: ionic bond for Al with P AlPO4 = aluminum phosphate contains Al-P ionic bond

Q: Consider the phosphorous atom (P), then fill in the blanks and answer these questions. There are…

A: In the phosphorous atom, there are 5 valence electrons.

Q: U is a made up element and contains 5 valence electrons E is a made up element and contains 6…

A: Valence electron of U = 5 Valence electrons of E = 6

Q: MCQ 74: The conduction of electricity in metallic bonding is due to presence of A. protons B.…

A: Metallic bond is formed between metals.  The metallic bonding consists of positive metal ion in sea…

Q: Effective nuclear charge, Zeff, is defined as A) the number of protons minus the number of valence…

A: The protons and the neutrons of the atom are situated in the nucleus of the atom. The electrons ate…

Q: 8. A mixture of sand and NH4CI can be separated by method. 9. Define latent heat of fusion. Give its…

A: 8.    Sublimation     Sublimation is the process by which a solid substance on heating converts…

Q: What is the net charge on the species? O +1 O-2 O +2 00

A: Net charge is overall charge present on the Molecule or sum of all charges present in the molecule.…

Q: E is a made up element and contains 6 valence electrons Calculate the number of valence electrons in…

A: The number of valence electrons in E3  = Valence electrons in a E x 3 = 6 x 3 = 18

Q: Arrange the following ions in order of increasing ionic radii: ( Ca2+, K+, Al3+)(. Your  answer…

A: Cation are smaller than their parent atoms     ionic radius decrease along left to right in period…

Q: How many valence electrons does this atom have? 4.

A: Valence electrons :-  The number of electrons present in the outermost orbit or outermost shell of…

Q: Does a cation gain protons to form a positive charge or does it lose electrons? Iron(III) sulfate…

A: If any atom donates electron, then the number of protons, i.e. positively charged particles becomes…

Q: 4. What does the Lewis structure explain between calcium and chlorine? [ Ca ]²* 2[:¢i:] A.calcium…

A: A question based on atoms, which is to be accomplished.

Q: Judging from their relative positions in the Periodic Table, which element in each set is more…

A: Periodic table is a set of elements that are arranged in increasing order of the atomic numbers.…

Q: a.  If an atom of sodium contains 1 valence electron and an ion of sodium contains 8 and has a 1+…

A: a.  If an atom of sodium contains 1 valence electron and an ion of sodium contains 8 and has a 1+…