Part A: How many valence electrons does Nitrogen (atomic #7) have? Part B: How many valence electrons does phosphorus (atomic#15) have? Part C: How many valence electrons does gallium (atomic#31) have? Part D: How many valence electrons does Hydrogen (atomic#1) have?

Q: Why does fluorine form an F - ion instead of an F + ion?

A: Interpretation - Fluorine form an F- ion instead of an F+ ion is to be explained.

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

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Q: Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4…

A: Isoeletronic species are those species which have equal number of electrons present in them  Since…

Q: How many valence electrons does an arsenic atom have? 8 33 O5 O7 2.

A: Atomic number of Arsenic, As = 33 The electronic configuration of Arsenic is : As = [Ar] 3d10 4s2…

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: Consider the following statements about ionization energy. Which ones are true? 1. It takes energy…

A: Ionization energy is defined as the amount of energy required to remove valence electron from…

Q: The Octet Rule When main group elements react, they tend to acquire eight outer-shell electrons (ns…

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Q: An atomic anion with a charge of -2 has the following electron configuration: [Ar] 4s²3d¹04p6 What…

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Q: How many valence electrons does a neutral tellurium atom have?

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Q: What happens when the compound HCl is formed?  Hydrogen transfers two electrons to chlorine.…

A: Hydrogen reacts with chlorine to form hydrogen chloride. The equation for the balanced chemical…

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

A: Valence electrons  are the one that occupies  the outermost shell or highest energy level of an atom…

Q: rrange the following in order of decreasing ionization energy: Cl, Ne, Ne*, and F. Put charges in…

A: Second ionisation energy of an atom will be higher than first ionisation energy because first…

Q: For each atom in the table below, write down the subshell from which an electron would have to be…

A: The objective of the question is to write down the subshell from which an electron would have to be…

Q: Put the following in order of increasing size. Put the smallest species on the TOP and then arrange…

A: Ions that contain the same number of electrons are called isoelectronic species.  For example, F,…

Q: Which of the following atoms has seven valence electrons?    In          Cl         Ca           Te…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Lewis Dot Diagrams of Atoms Select the correct electron dot diagram for an atom of each of the…

A: Lewis dot structure is the representation of valence electrons by putting the dots or electron-dot…

Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. The…

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Q: Give electron dot symbols for each of the following neutral elements (place the correct number of…

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Q: Magnesium has 2 electrons in its outer shell. Oxygen has six electrons in its outer shell. How does…

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Q: do all the elements have the same number of valence electrons?     P, As, Se     P, S, Cl…

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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: Part C The cation Alt with each of the following anions: HSO3 and MnO4 Express your answers as…

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

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Q: Consider an ionic compound, MX_2, composed of generic metal M and generic, gaseous halogen X. The…

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Q: How many core electrons are in N-2?

A: Given :- Atomic symbol = N-2  To find :- number of core electrons  Atomic number of N = 7

Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. The…

A: Given that , The enthalpy of formation of MX is Δ∘f=−501 kJ/mol.   The enthalpy of sublimation of M…

Q: Group 2 metals bond with nonmetals

A: Group 2 elements also known as alkaline earth metals has 2 electrons present in their valence shell.

Q: Consider a fuel cell that uses the reaction of ethanol with oxygen to produce electricity. CH,…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Discuss the different property trends of the elements ( for example atomic and ionic radius,…

A: ATOMIC RADIUS :-  The atomic radius of a chemical element is a measure of the size of its atoms,…

Q: How many electrons are in the most likely ion formed from an atom located in group 5A and period 3?…

A: When a neutral atom gain or lose electron, then it is called as ion.  If it gains the electron then…

Q: How many valence electrons are there in the bromine tetrafuoride ion, BrF4¯?

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Q: What is the charge of "X" in X(SO4)2? O 1+ O 2+ O 3+ O4+

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Q: Find potassium (K) in the periodic table and predict how many valence electrons it has?

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: How many electrons are there in a Au2+ cation? O 78 O 77 O 81 80

A: The number of electrons present in Au = 79. Its electronic configuration is: [Xe] 4f145d106s1

Q: The characteristics of two different types of reactions are shown below: Reaction A: Protons are…

A: ii) Valence electrons are involved in Reaction B but not in Reaction A. True

Q: Arrange Sr2+, Li, Br− in decreasing  atomic/ionic radius (largest to smallest).

A: In an isoelectronic species more is the value of negative charge larger is it radius . So in case of…

Q: An atomic cation with a charge of +1 has the following electron configuration: 1s²2s²2p5 What is the…

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Q: Coal is a form of carbon that serves as fuel to generate heat or electricity. Incomplete combustion…

A: We need to show the schematic of the reactions between carbon and oxygen, corresponding to…

Q: How many valence electrons does an atom of any element in group 6A have ?

A: Given information,      Element in group 6A

Q: Write the electron configurations of magnesium (z=12) and fluoride (z=9). Explain what electrons…

A: Magnesium (z=12) electron configuration will be [Mg]= 1s22s22p63s2  Two electrons from 3s orbital…

Q: What has the highest number valence electrons: N, Ca, O, As, or I?

A: Valance electrons :-  The number of electrons present in outermost shell of atom are called valence…

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: Iron (III) chloride, FeCl3 is an orange to brown-black solid at room temperature. It is used in…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Use the following image to determine which statement is true: Calcium is the most reactive because…

A: The objective of the question is to determine which of the given statements about the reactivity of…