How many 3? electrons are found in each of the following elements? nickel, ?= 28 vanadium, ? = 23 manganese, ? = 25 iron, ? = 26

Q: How many electrons are in a neutral ⁴¹Ca atom? A) 2 B) 20 C) 21 D) 41

A: The given atom is C41a

Q: Platinum is a precious metal used in a wide variety of products. Besides fi ne jewelry, platinum is…

A: Hi, since you posted questions with multiple subparts we will answer the first three questions for…

Q: I. Complete the table based on the information provided. Atomic No. of No. of Mass Isotopic Symbol…

A: 1. 79.         2. 118      3. 79Au197    4. Gold  5.97         6. 247    7. 97Bk247    8.Berkelium…

Q: In which set of elements would all memebers be expected to have very similar chemical properties? A)…

A: Periodic table represents the arrangement of the elements in increasing order of their atomic…

Q: 1. Using the various group classifications from the periodic table, assign all appropriate labels to…

A: In the periodic table elements are arranged on the basis of their atomic number. When the elements…

Q: What is the atomic mass of an element? The atomic mass of an element is really the average mass of…

A: The mass of an atom is known as its atomic mass. It is usually expressed in g/mol or u where u is…

Q: 4. 1N and C have the same number of A. isotopes. B. protons. C. neutrons. D. electrons. 5. Of the…

A: Choose the correct option..

Q: using the following data for lée magnesium isotopes. Isotope Mg-24 Mg-25 Mg-26 % abundance 23.985…

A: Since you have posted multiple questions without specified question number , so as per guidelines we…

Q: 67. Which pair of elements do you expect to be most similar? Why?(a) Si and P(b) Cl and F(c) Na and…

A: Periodic table is an arrangement of elements in the order of increasing atomic number from left to…

Q: Using all of the rules you determined during the 'Building an Atom' practical, figure out whether…

A: An atom is composed of nucleus, containing protons and neutrons, and electrons present around the…

Q: What is the atomic number of the transition metal Gold (Au)?

A: Atomic number of gold is  79

Q: g0. Which of the following is NOT true of the Sc* ion? a) It has the same electron configuration as…

A: We know that, due to positive charge on atom, number of electron decreases. So,

Q: Part 2. Complete the empty cells/boxes in the table. Atomic Number Number Mass Electrons protons…

A: Atomic number of an element is equal to the number of protons or the number of electrons present in…

Q: a) What is the chemical symbol of this element? b) Write the electron configuration of 'X'. c) Write…

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Q: What type of Ion should the element Francium (Fr) make and what charge? What about Sulfur (S)?

A: Given To know ionic charge of Francium(Fr) abd Sulfur(s).

Q: Part A:    Based on the amount of electrons gained/lost, label the charge of the ions from each…

A: The sequential arrangement of elements by using their chemical symbol in horizontal rows and the…

Q: 1. Which of the following element has an average atomic mass that is about ten times that of…

A: The average atomic mass of an element is the sum all the masses of its isotopes existing in nature ,…

Q: 9. An isotope of an element is dependent on A. Protons B. Neutrons C. Protons and neutron D.…

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: description Does any element with Z ≤ 92 match the description? If you checked yes, give the symbol…

A: We have to choose such elements which has atomic number equal or less than 92 of atomic number of…

Q: . Dalton's Atomic Theory included all of the ideas listed below except   a. All atoms of a given…

A: Ans-32  The postulate that does not give my dalton atomic theory is - An atom is composed of very…

Q: Which of the following is the most important factor in determining the chemical properties of an…

A: Atoms consists of protons, electrons and neutrons

Q: Potassium occurs naturally as two isotopes. The heavier isotope has percentage abundance of 93.1.…

A:

Q: The hypothetical element Supposium exists in four isotopic forms. These relative masses and…

A: Suppose an element having four Isotope then,     Atomic mass=mass of isotope -1×fraction…

Q: Calculate the atomic mass of the mystery element. This element contains three isotopes having atomic…

A:

Q: Choose the complete chemical symbol for the isotope of chromium with the following individual…

A: Complete chemical symbol for the isotope of chromium with the following individual characteristics.6…

Q: What will be the charge of an atom that has gained 3 electrons? Group of answer choices +3 -3 -1 0

A: There are 2 types of ions : 1. Cation 2.Anion   When an atom gains an electron , the net charge on…

Q: Use the information below to calculate the atomic mass of magnesium. Isotope Isotope Mass (amu)…

A: Given   The atomic mass for magnesium-24 is 23.985 amu and abundance is 78.70. The atomic mass for…

Q: Fig 12.1 represents a neutral lithium atom. All the particles in the atom are shown on the diagram.…

A:

Q: 1. List the atomic numbers of the elements in Period 2 2. List the symbols of the elements in Period…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three…

Q: What is the atomic number of the element? What is the atomic mass of the element? What is the number…

A: Given, Ra having +1 charge . So, now it is not a neutral atom. It becomes a cation having +1 charge.…

Q: Platinum (Pt) has an isotope with a mass number of 195. This isotope has____________  protons…

A:

Q: ... How many protons, electrons and neutrons are in each of the following? a) 37Cl = protons 17,…

A: #(I): In a neutral atom, Number of protons(p) = Number of electrons(e) = Atomic number(Z) Number of…

Q: Complete the following sentence: 12C and 13C are uncharged atoms with the same ___ . atomic…

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Q: element from the periodic table between #3-20 Create a drawing that shows the "Bohr Models" of the…

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Q: What will be the charge of an atom that has lost 2 electrons? Group of answer choices -1 +2 0 -2

A: The correct option is as follows:

Q: what is the atomic number of an ion with a positive three charge when it has 12 electrons? A) 18 B)…

A: Atomic number (Z) :-  The number of protons present inside the nucleus of an atom is called atomic…

Q: Which pair of elements do you expect to be most similar? Why?a) N and Nib) Mo and Snc) Na and Mgd)…

A: The elements belonging to same group will have similar properties.

Q: An element has 2 naturally occurring isotopes with the following masses and abundances. A. Calculate…

A: Given  2 Naturally occurring Isotopes of an element  Isotope mass = 34.97 amu Percentage abundance…

Q: 2. Which chemical group is being described? (for example IA, transition elements, etc.) a. Family…

A: In the periodic table , Each elements have its own property  Alkali metals are reactive and…

Q: • Atom is assigned uniquely to an element by the count of protons in its nucleus: N(p+) = Z, its…

A: Answer-1 This statement is false because same elements have same atomic number and value of atomic…

Q: 1. When an atom gains 2 electrons, it turns in to a(n) A. cation with a 2* charge B. cation with a 2…

A: Concept: Atoms on gain of electron forms anion with negative charge. Atom on loss of electron forms…

Q: See if you can complete the following table using only what is on this page. ( Fill in th blanks )…

A: All the elements in chemistry are known by its symbol popularly known as element symbol . Each…

Q: 2.     The most common isotope of carbon has a mass of 12. Carbon has an atomic number of 6. A.…

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Q: cobalt atomic number 27 how many protons electrons and neutrons in isotope CO- 63

A:

Q: 13. For the following elements state their Name, Period, Group #, Family Name and type of element?…

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Q: 10) Which pair represents isotopes? Circle the correct choice(s a. Ca and He 40 20 b. Fe and 58Fe 26…

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Q: 1.)What is the atomic number for the element that is in group 1A and period 6? 2.) What is the…

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Q: Look up the density of silicon and of lead in a table online. Then look up the atomic radius of…

A: The densities of atoms depends on the number of protons in the nucleus. The number of protons is…

Q: Chlorine has 17 electrons. According to the modern atomic theory, how many electrons are found in n…

A: Modern atomic theory - According to modern atomic theory atoms are made up of or composed of…