How many valence electrons does a neutral phosphorus atom have? a. . 2 b. 3 C. 4. d. 5 e. 9. f. 7

Q: A. Explain how you would determine the number of neutrons in a chlorine atom that has a mass number…

A: Given, A chlorine atom has a mass number of 37 Another chlorine atom has a mass number of 35…

Q: identify the follwing atoms using their symbols d.the fifth period transition metal with properties…

A: d.the fifth period transition metal with properties similar to copper = Ag   e. the group V A…

Q: 2. The atomic number of fluorine is 9. How many electrons does an ion of fluorine have if it is…

A: How many electron in F- ?

Q: 1 What is the charge on an atom of beryllium in an ionic compound? B. 2+ A. 1+ C. 3+ D. 4+ 2 What is…

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Q: 1. What patterns do you observe about the ions formed by elements in different groups? 2. Based on…

A: To answer: 1. What patterns do you observe about the ions formed by elements in different groups? 2.…

Q: How many electrons are there in the valence shell of Fe+3 ion?

A: Fe (z=26)   outer most electron in iron enter into d orbital so called as d block element

Q: Atomic Structure 4. Write the letter next to the number of units of positive charge that remain if a…

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Q: 1.Choose the element symbol pair which is correctly matched: A.Cobalt Co B.Carbon Ca C.Chlorine Ch…

A: cobalt is correctly matched with Co and carbon is represented by c       chlorine by Cl      calcium…

Q: Which pair of elements have the same number of valence electrons? A. O, Si B. He, Be C. Ne, Mg…

A: We have to find from the given options which pair of elements have the same number of valence…

Q: The number of bonds an atom can form depends on a. the number of neutrons in the nucleus  b. the…

A: Correct option is (C).

Q: Give one example (atomic symbol and name) for each of the following. a. a main-group…

A: Hi, since you have posted multiple questions. As per our guidelines, we will answer the very first…

Q: Sort the elements in the list below from lowest first ionization energy to highest first ionization…

A: INTRODUCTION: Ionization energy is the amount of energy required to remove the electron from…

Q: Chlorine has two neutral stable isotopes; Chlorine-35 and Chlorine-37. How many electrons are in…

A: The atoms with the same number of protons but different numbers of neutrons or mass numbers are…

Q: a. How many protons does this element have? b. How many neutrons does this element have? c. How many…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: Consider an isotope of sulfur with a mass number of 32. The number of neutrons in this isotope of…

A: Given:mass no. of S = 32we know that,atomic no of S = 16alos,no of proton = atomic nono of proton in…

Q: 1. Mg is a/an a. anion b. halogen C. cation d. cube e. transition metal

A: According  to our guidelines , we w9ill solve only one question if multiple question posted. please…

Q: What types of elements undergo covalent bonding? a. a nonmetal and a metal b. two Group 1 elements…

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Q: 18 A selenium atom has a 2- charge. Which best describes the selenium atom? A. 34 protons, 32…

A: Selenium is an element having atomic number 34. This means in a neutral Se atom, there are 34…

Q: 5. Fill in the following table (the first line is competed as an example) Ion Number of Protons…

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Q: 55. In the periodic table, how many the following? a. Group 2A b. the oxygen family c. the nickel…

A: To find the number of elements present in the following groups.Concepts:The period table has 18…

Q: How many hydrogen atoms are connected to the indicated carbon atom? a. one b. two c. three d. four…

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Q: In chemical reactions, sodium (Na) is more likely to behave similarly to which element?   a.…

A: Chemical properties of the element depends upon the valence shell electronic configuration. Elements…

Q: UNIT 1 2. Which atom has six valence electrons? a. lithium d. neon b. carbon e. boron c. sulfur 3.…

A: 2) valence electrons: valence electrons are electrons which are present in the outermost shell of an…

Q: number

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Q: mass number

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Q: 1. The rule stating that elements need 8 valence electrons in order to become stable: A.Lewis Rule…

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Q: . How many lone pairs does a phosphorus atom have?  2. How many oxygen atoms are present in a mole…

A: The phosphorus atom does not have any lone pair in alone as it contains five electrons in the…

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: All of the ________ have a valence shell electron configuration ns1. a. halogens b. alkali metals…

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Q: How many valence electrons do the following elements have? A.) Sr B.) Cl C.) Si D.) Se E.) H

A: Interpretation -  To tell about how many valence electrons do the following elements have -  A.) Sr…

Q: A proton has a charge of +1. If a neutral atom loses two electrons, it will have a net charge of…

A: an electron have -1 charge if a neutral atom loses 2 electrons then it means it loses -2 charge so,…

Q: Please help me answer questions 3 & 65. 3. Oxidation is A. the loss of protons by an atom or…

A: We are to discuss  what is oxidation and, definition of atomic number.

Group 14 Elements

The following elements come under group 14 of the periodic table.