How many valence electrons does each element have? Mg:     Na:     Ne:

Q: Locate each group on the periodic table and list the chargeof the ions it tends to form.(a) Group…

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Q: In all enemy's in a group the thing that is the same is the? Number of electrons in the valence…

A: Atom is made up of protons, electrons and neutrons subatomic particles. Electrons revolve around…

Q: atom

A: An atom lose or gain electrons in order to attain noble gas configuration (stable configuration)

Q: Complete ALL boxes in the table below. Number Number Number Number of Chemical name of valence…

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Q: Which of the following elements has 7 valence electrons? Select one: a. C b. Br c. N d. S e. Be

A: Given elements, a. C b. Br c. N d. S e. Be

Q: When an alkali metal forms an ion, what is the charge of the ion? What is the charge of an alkaline…

A: Alkali metals are those metals which are present in the first group of the periodic table. The…

Q: Which atom’s valence electrons experience the greatest effective nuclear charge?(a) the valence…

A: Effective nuclear charge refers to the net charge experienced by the electron in an multi-electron…

Q: How many electrons must be gained or lost by each element to achieve a noble gas confi guration of…

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Q: The periodic table is organized such that elements in the same group have the same ionic charge.…

A: All elements have a tendency to attain filled valence shell. Hence, elements react to attain a…

Q: Which of the following sets are made of isoelectronic ions? a. B5-, Sr4-, As3-, Te2-  b. F-, Cl-,…

A: Isoelectronic species are those which have the same number of electrons. The negative charge on the…

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: How many valence electrons are in each element?(a) Ba (b) Al (c) Be (d) Se

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Q: Which ions have the same number of electrons as an atom of krypton Se^2- As^3- Ca^2+ K+ Which…

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Q: Which of the following statements about atomic structure is true? O The periodic table arranges…

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Q: Enter the full electron configuration for Cl−Cl−. What is the atomic symbol for the noble gas that…

A: An ion is an atom that consists of a positive or negative charge due to addition or removal of…

Q: Write the complete electron configuration for the common monatomic ion formed by the element…

A: Given that -  Monoatomic atom = Bromine , Br    It is the third element of halogen group. It has…

Q: Answer the following questions about the macronutrients calcium, magnesium, and sulfur. a. Is each…

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: Rubidium and bromine atoms are depicted at right. (a) What monatomic ions do they form? (b) What…

A: Periodic table is the arrangement of atoms in groups and periods according to their increasing…

Q: Group the elements into pairs that would most likely exhibit similar chemical properties. It does…

A: We have to pair the elements as per their properties

Q: Predict the charge of the ion formed by  element and write the electron configuration of the ion. Rb

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Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°4s²3d104p…

A: Ion is the charged species obtained by loss or gain of electrons. When an atom lose electrons it…

Q: Group the elements into pairs that would most likely exhibit similar chemical properties. It does…

A: Chemical properties of any element depends on the number of valence electron the element is having.…

Q: Write the electronic configurations of the third-row elements shown in the partial periodic table

A: Third row consists of total 8 elements. The elements present in the third row or period are:…

Q: Write the complete electron configuration for the common monatomic ion formed by the element…

A: To write the complete electronic configuration for the common monatomic ion formed by the element…

Q: How many valence electrons do the atoms of the following elements contain? 4 valence electrons 1. S…

A: the electrons present in the outermost shell or valence shell of the atom is known as valence…

Q: Write the chemical symbols for three different atoms or atomic anions with 9 electrons.

A: Here, we have to write the chemical symbols of three different atoms or atomic anions with 9…

Q: 4. Discuss, for both cations and anions, how atomic radius differs from the neutral atom. Explain…

A: Atomic structure

Q: ess Ieactive! . Which main group elements have 1 valence electron? 6 valence electrons? Without…

A: 1. The group 1A have one valence electrons. The main group elements are in group 1 – Hydrogen (H),…

Q: Hydrogen isotope( Atomic number =1) with 1 neutron and 1 electron. carbon isotopes ( Atomic…

A: Mass number :-        It is the sum of total number of protons(P)  and the neutrons(N) present in an…

Q: 1- A) 12 B) 22 YERAS NARKOS C) 23 D) 24

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Q: Write the chemical symbols for three different atoms or atomic cations with 21 electrons.

A: Write different atoms or cations having 21 electrons ?

Q: Species Number of electrons Number of electrons Number of core in valence shell electrons Ca Cs+ p3.…

A: A neutral atom consists of same number of protons and electrons. When the atom loses electron, it…

Q: 10. The atomic number of silicon is (a) 8 (b) 2 (c) 4 (d) 14 11. The atomic number of germanium is…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: What is electron affinity?   energy change associated with the gaining of several of electrons…

A: To define: Electron affinity.

Q: Which group of ions contains only ions you would predict as “stable”? A. Ca2+, Fe3+,…

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Q: What species fi ts each description? a. a period 3 element that forms an ion with a −1 charge b. an…

A: a. a period 3 element that forms an ion with a −1 charge = Cl  It forms Cl- ion.   b. an ion from…

Q: Define an atom – Label each of the parts of the atom on the diagram to the right.

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Q: 3. Complete the information in the following table: Number of Valence Element Rb Energy level in…

A: Electronic configuration is arrangement of electrons in shells, subshells and orbitals.

Q: Predict the charge of the ion most likely to form for each. a. F b. Sr c. Group VA d. The Noble…

A: Interpretation: We have to predict the charges on the species.

Q: Which statement about the radii of atoms and their ions is correct? Cations are smaller than their…

A: Cations are the ions formed by the loss of electron from their parent atom . Na  ----------> Na+…

Q: This element A has a complete octet of valence electrons (i.e., has a complete outer shell). Part 4…

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Q: E is a made up element and contains 6 valence electrons Y is a made up element and contains 7…

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Q: Water contains small amounts of the element fluorine, which helps to strengthen tooth enamel and…

A: Given : Fluorine is added to water in small quantity.

Q: The substance, Bi2S3 is ionic. Write the lectron configuration using the noble gas method for the…

A: In the substance Bi2S3 we have elements Bi and S Since Bi has atomic number 83 and S has atomic…

Q: What species fi ts each description? a. a period 2 element that forms a +2 cation b. an ion from…

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

Q: Determine the number of valence electrons for each of the atoms. Enter each answer as a numeral. For…

A: In chemistry the outer shell electrons of an atom is generally known as the valence electrons.  For…

Q: Carbon (C) reacts with several different nonmetallic elements. These non-metallic elements tend to…

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Q: 1. How does ionization energy change as you move from left to right across a period? Explain your…

A: Ionisation energy is defined as energy required  to remove an electron from outermost shell of atom.

Q: X is a made up element and contains 4 valence electrons E is a made up element and contains 6…

A: Given that, Number of valency electrons in X = 4 Number of valency electrons in E = 6 Charge on the…