What are the Group 1A elements called? What are some shared characteristics within the group? Same questions for Group 2A, 7A, and 8A

Q: 36. Which statement about protons is false?(a) Protons have about the same mass as neutrons.(b)…

A: An atom is made of three particles namely, protons, neutrons, and electrons. The protons and…

Q: MCQ 43: The elements of group VII elements are called A. noble gases B. halogens C. metals D.…

A: B) Halogens Halogen means salt producer Example - NaCl  KI

Q: 2.2 Silicon has three naturally-occurring iso- topes: 92.23% of 28Si, with an atomic weight of…

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Q: Chlorine is a halogen (Table 2.3). Locate this element in the periodic table.(a) What is its…

A: Chlorine is a halogen. Chlorine is the second halogen in the periodic table. It lies before the…

Q: An element has three naturally occurring isotopes with the following abundances and masses::…

A: Since the atomic mass of any element is given by the average mass of its isotopes Hence the atomic…

Q: Three isotopes of silicon occur in nature: 28Si 192.23%2, atomicmass 27.97693 amu; 29Si 14.68%2,…

A: It is given that there are three isotopes of silicon with percent abundance and atomic mass as…

Q: Q7. Which element is a row 4 noble gas?(a) Ne (b) Br (c) Zr (d) Kr

A: Noble gases are also known as inert gases. These include He, Ne, Ar, Kr, Xe and Rn.

Q: 4. How are isotopes of the same element alike? How are they different? 5. Natural lithium comes in…

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Q: 1. Atomic Structure. 106 a) 46 Pd*2 b) 232 92 U

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Q: 1) Three isotopes of Silicon occur in nature: Isotopes of Silicon: Silicon-28 Silicon-29 Silicon-30…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Elements with chemical properties most similar to those of sodium are listed in what part of the…

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Q: Discuss the structure of an atom in terms of its electrons, protons, and neutrons.  b) A neutral…

A: The structure of an atom is similar to the solar system in which all the planets revolve around the…

Q: Fluorine (F) has atomic #9. Neon (Ne) has atomic #10. Which statement accurately compares the…

A: The reactivity of an element depend on its electronic configuration. A stable electronic…

Q: LKuipor Bek asderolch Jupiter Mércúry Venus * Uranus Saturn Mars Earth Ceres Neptune Jupiter Pluto…

A: Dwarf planet : Dwarf planet is a celestial body orbiting a star that is massive enough to be rounded…

Q: A sample of magnisium contains three isotopes and its atomic weight is 24.35 amu. If the sample is…

A: A element has several isotopes in nature and its occurrence by percentage is called abundance.…

Q: If the cube with the same mass as part A is made of iron, determine the edge length of this cube (in…

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Q: Naturally occurring uranium consists of two isotopes, whose masses are shown below: Isotope Mass…

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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: Use a periodic table to complete the following. Atomic Name Symbol Number aluminum 16 Cr silicon Mn…

A: 1) Aluminium : The atomic number of aluminium = 13  The symbol of aluminium is Al.

Q: Which is a compound? A. A piece of pure zinc metal B. A molecule made of nitrogen and oxygen C. An…

A: Compound: A molecule consisting of two different elements is called compound

Q: Use the Periodic Table to help you answer the following questions

A: Carbon has an atomic symbol of C and belongs to group 14 and second period.

Q: This group of elements is the most reactive of all the non-metals  A) rare earths B) halogens C)…

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Q: The element lithium has two stable isotopes, lithium-7 with an atomic mass of u and lithium-6 with…

A: Hi.. In the given question, numerical value for atomic mass of both the isotopes are not…

Q: 19,9924 AMU is the mass of one of the three isotopes of neon equaling 90.4838%. One of the other two…

A: Here, the three isotopes of Neon is

Q: Which of the following was not postulated by Dalton? Group of answer choices A, Atoms of one element…

A: The Dalton atomic theory was the first attempt to describe the structure of an atom. According to…

Q: Gallium has an average atomic mass of 69.72 amu and has two common isotopes 69Ga and 71Ga. If the…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: An alkali metal forms a compound with chlorine with the formula __________. (The symbol M…

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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: For each of the following elements, write its chemical symbol,determine the name of the group to…

A: Element                                          symbol                             group name…

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: Boron occurs naturally as 10B and 11B. Which isotope is most abundant? (Refer to the Periodic…

A: The isotopes can be described as the types of the species which have equivalent atomic number…

Q: Fill in what is missing in the ZApen table. Use a separate sheet of paper for your answer. Element…

A: All things are provided in handwritten solution

Q: Which two elements on the periodic table are in the same period? OH, Na O B, Ga OK, Sc He, Ne

A: Which two elements on the periodic table are in the same period = ?

Q: Use the information below to answer questions 34 and 35. Elements Subatomic Na Ca Ar Particles…

A: Number of prorton gives the atomic number  Sum of number of proton and neutron gives atomic mass.

Q: The element gallium has two naturally occurring isotopes, gallium-69 (68.9256 amu) and gallium-71…

A: Given , two isotopes of gallium (Ga) are 69Ga = 68.9256 amu 71Ga = 70.9247 amu  Let, % abundance of…

Q: 5. To which group/family does the following belong? a. Sulfur d. Sodium e. Silicon f. Phosphorous b.…

A: First see the periodic table then spot out the given elements. See the solution below.

Q: Which of John Dalton’s theories given below were found to be INCORRECT? 1. the atoms of elements…

A: Dalton's atomic theory was the first theory to describe all matter in terms of atoms and their…

Q: C. Isotopes or Different Elements? Use the information given below to determine if the pair of…

A: Isotopes :Atoms of the same element which the same atomic number but differentmass number are called…

Q: Oxygen, whose atomic number is eight, has three stable isotopes: 16O, 17O, and 18O. Explain what…

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Q: (a) How many elements are found in period 4 in the periodic table? (b) How many elements are found…

A: a) The fourth period contains 18 elements beginning with potassium and ending with krypton.

Q: 32p is an isotope of phosphorus that is frequently used in Biology labs. It has a mass number of 32.…

A: The given isotope is 32P.  The mass number of 32P, A = 32  Atomic number of 32P, Z = 15

Q: Which pair of elements do you expect to be most similar in their chemical properties?a) K and Fe…

A: Most similar in their chemical properties

Q: a. What element has 35 protons? b. What element has 83 electrons? c. What element has 25 protons? d.…

A: Ans a) Element that has 35 protons - Bromine (Br) b) Element that has 83 electrons - Bismuth (Bi) c)…

Q: How does matter contrast with elements, atoms, and isotopes? Explain step by step how matter…

A: The given question asks to explain three differences, first between matter and elements, second…

Q: What is this element? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 * a. Zinc b. Copper c. Nickel d. Germanium

A: The distribution of electrons in an element's atomic orbitals is described by its electron…

Q: Which of the following is the least reactive group of elements? a. Alkali metals…

A: The least reactive group of elements has to be identified

Q: When asked to fill out the box diagram for an atom or ion, students gave various incorrect answers.…

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Group 14 Elements

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