Give the symbol of the element described by each of the following: a. Group 6A, Period 3 b. Alkali metal in period 2

Q: Which of the following atoms is the most metallic? Link to Physical Constants Link to Periodic Table…

A: Metal:Metals are situated on the left-hand side of the periodic table. The metals are…

Q: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon. Why are these…

A: Depending on the electron enters into the shell of the atom the position of the atom in the period…

Q: MCQ 13: The element of group IV which is metal is A. Carbon (C) B. Germanium (Ge) C. Lead (Pb) D.…

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Q: The periodic table is incomplete. It is possible that newelements will be discovered from…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: 5. Use the periodic table to fill in the blank squares on the following table: Sodiu Manganes Mercur…

A: Electron, proton , neutron are sub atomic particles of atom. Number of protons gives atomic number…

Q: (1) Either 2 + 2 is 0 or gold has atomic number 79; (2) 2 + 2 is not 0; thus, (3) gold has atomic…

A: The Good argument3)Gold has atomic number 79which is good argument1) & (2) are not good…

Q: Even though Si has a larger mass than Al, Si's radius is smaller than Al. Explain why.

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Q: Which elements would you expect to lose electrons inchemical changes?(a) potassium(b) sulfur(c)…

A: The element will lose or gain electrons in order to get noble gas configuration or fully filled…

Q: The sketches are drawn as if a sample of carbon monaxide were under a microscope so powerful that…

A: Solution - The correct option is sketch (C) Explanation -

Q: 12. An unknown element has the following properties: conducts heat and electricity, dull, brittle.…

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Q: Type the chemical symbol for the following elements and classify them as a representative,…

A: s,p,d,f denotes the orbitals where electron fills up from lower energy orbital to higher energy…

Q: میر 1) C b The number of lines exhibited by hydrogen(s) a is The number of lines exhibited by…

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Q: be oimilar to olicon. 3. Look up the average atomic masses and the three properties of silicon, Si,…

A: Periodic properties of elements:

Q: MCQ 10: The element Germanium in Group IV is a A. metal B. non-metal C. metalloid D. transition…

A: We know that, Germanium belong to carbon family.

Q: 34. Barium Carbonate (s) Barium Oxide (s) + Carbon Dioxide lg) a&b: C: d:

A: Answer:- this question is answered by using the simple concept of writing the balanced chemical…

Q: A diagram of the periodic table of the elements is shown below. Periodic Table of the Elements In…

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Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: Please find your solution below :

Q: A sample of element X contains 90% X-35, 8.0% X-37, and 2.0% X-38 atoms. The average atomic mass…

A: The average mass of n isotopes can be calculated as: Average atomic mass = ∑i=1n  pimipi =…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: Given: Density of metallic atom = 11.48 g/cm3 Atomic weight of atom = 115.52 g/mol NA = 6.022 x 1023…

Q: الإعدادات الأدوات olaley! : المزید الإنجليزية What is the value of the atomic filling factor in the…

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Q: 1. To convert 20g of ice at -5oC to 120oC to steam you need __________ cal of energy? Assume…

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

Q: 3. What is the symbol for the element in group 7 and series 5? a. Nb b. Db c. Te . Bh e. None of the…

A: In the periodic table, group 7 elements are Mn, Tc, Re and Bh. In the above elements, Tc is present…

Q: 9: Which of the following is an alkali metal? A) Zr B) Rb C) Cs D) Te 10: The symbols for Potassium,…

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Q: Element X has two stable isotopes: 35X - 75.77%, 34.97 amu 37X - 36.97%, 36.97 amu a.  Calculate the…

A: a) Note : the % you have mentioned for 37X is not possible as total % of both is becoming > 100%…

Q: Part A Given the following: x, X, X, and X. Which are isotopes of each other? x. X. x. and 2x are…

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Q: 30. When an atom gains 2 electrons, it turns in to a(n) A. cation with a 2* charge B. cation with a…

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

Q: 3. Write the symbol and English name of your favorite element with 44 p+.

A: A perfect atom consist of 3 subatomic particles. proton, neutron and electron. Proton and neutron…

Q: An element has three isotopes, A, B, and C. Percent abundance of the isotopes A and C are 60 % and…

A: The percent natural abundance of isotope A is 60%. The percent natural abundance of isotope C is…

Q: If element X has an atomic mass of 37.45 amu and is composed of x-38 and x-35, find the percent x-38…

A: Concept introduction: Mass of an element is the actual amount of substance is present in it and mass…

Q: The element titanium is now being used as a structuralmaterial for bone and joint replacement…

A: Titanium belongs to group four. It is solid metal at room temperature with an electronic…

Q: 8. What is the formula mass of a compound that forms between the fictitious element Marvinium and…

A: Formula mass :- Formula mass of the compound is the summation of atomic mass of all atom present in…

Q: The atomic weight of Aluminum elemen

A: 1mol = 6.022 x1023 electrons  Given that  Atomic mass of Al = 26.981 g/mol  Atomic number of Al =…

Q: An element, X, has the following isotopic composition: X-200, 90%; X-199, 8.0%; and X-202, 2.0%. Its…

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Q: (a) You are given a cube of silver metal that measures 1.000cm on each edge. The density of silver…

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Q: 3. The radius of a hydrogen atom is 0.529 A. (1010 A = 1 m) Convert the radius of a hydrogen atom:…

A: (3) Consider the given information is as follows; Radius of hydrogen atom = 0.529 A° 0.529 A° = ? m…

Q: Decide which element probably forms a compound with chlorine that has a chemical formula most and…

A: The chlorine and aluminum formed a compound which has chemical formula AlCl3 Aluminum belongs to the…

Q: of a metallic atom aiven that it has a BCC structure and a density of 11.91 g/cm3 and an atomic…

A: 1. Density = M/a3.NA  where a3= volume of the unit cell M = mass  Density = 11.91g/mol (given)…

Q: an unknown halogen has a mass of roughly 160 g at standard temperature and pressure.  Which is the…

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Q: Use the following information to answer the next question. Each box in the periodic table shows the…

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

Q: A. Multiple choice. Encircle the letter of the best answer and correct answer in the following…

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

Q: 14. Using the periodic table, identify the lightest member of each of the following groups: (a)…

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

Q: 6. The atomic mass of an element is found as the decimal number on the periodic table. For example,…

A: Here we using avarage atomic mass of vanadium and abundance of vanadium in nature.

Q: Q: Find the number of Na* ions in 2.92 gram of Na,PO,? (Skoog, Q4.7) ERSITY

A: We can found the number of Na+ ions in 2.92 gram of Na3PO4 by the below process,

Q: Calcium Oxide Magnesium Oxide 15. Calcium oxide, CaO, has a lower melting temperature than magnesium…

A: Since it is a multiple questions,I solved only 1st questions according to guidlines,please upload…

Q: 12C and 14C area. atoms of different elements.b. isotopes.c. atoms with different atomic numbers.d.…

A: Given substances are : 12C and 14C  Options are : a. atoms of different elements.b. isotopes.c.…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

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Q: Question 3 (02.06 LC) Three sections of the periodic table are labeled A, B, an

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Q: (As) 5. Of the following elements, which is the heaviest solid metal? Airon (Fe) Bzirconium (Zr)…

A: In this question, we will see which element is heaviest solid metal.  You can see the answer with…

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: Given information, Density (d) = 12.63 g/cm3 Atomic weight (M) = 107.13 g/mol NA = 6.022*1023…

Q: 12 What is the difference between sulfate and sulfite? a) There is no difference, the are the same…

A: Chemical formula of sulfate is   SO42-  Chemical formula of sulfite is  SO32-    Correct answer is…