Consider the atoms 16O, 18O, 18F, 18Ne, and 20Ne. Some of the following questions may have more than one answer. Give all answers that apply. a. Which are isotopes? b. Which are isobars? c. Which have the same chemical properties? d. Which have the same number of neutrons? e. Which atoms have the same number of valence electrons? f. Rank in order, from largest to smallest, the radii of the nuclei of these atoms.

Q: Which of the following sentences are correct? 1. Atomic mass is the weighted average of the masses…

A: The mass number or atomic mass can be estimated by its various isotopes present in nature and their…

Q: symbols of each atom,

A:

Q: A. For the isotope chlorine-37: a. How many protons are in chlorine-37? b. How many neutrons are in…

A: THe objective of the question is answer the questions related to .

Q: 32. An ion of a hypothetical element (let is call it Sycamorium, Sy) can be denoted by the notation…

A: The species neutron number will be equivalent to the difference linking the species mass number and…

Q: Which pair represents a set of isotopes? O A. calcium-48 and titanium-48 O B. 74se and 82se O C.…

A: Isotopes : Isotopes are the atoms of same  element with same atomic number but different number of…

Q: write the complete symbol for the following atoms and ions. The complete symbol includes that mass…

A: Thank you.

Q: Write the atomic symbol of each chemical species below: 1a.   A carbon atom with 6 neutrons, and a…

A: Atomic symbol: It is a representation of the atom of a pure element. It represents the name of the…

Q: B. Indicate which of the following statements is TRUE or FALSE. If your answer is FALSE kindly…

A: a. An element’s atomic number is equal to the number of protons in the nuclei of any of its atoms.…

Q: Which of the following statements is incorrect? A. Protons are positively charged. B.) Protons…

A: Atom is made up of 3 particles 1) Proton 2) Neutron  3) electron

Q: Lithium has two naturally occurring isotopes, Li and Li. The average atomic mass of lithium is…

A: Isotopes are defined as atoms having same atomic number but different mass number due to different…

Q: As we saw in the previous problem, lithium has two naturally occurring isotopes: Li-6 (natural…

A: The mass which is closest to the atomic mass of Li has to be given.

Q: n organic chemist wants to make a new molecule to test as an anti-cancer drug. The drug needs to be…

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Q: 1. A carbon atom with 7 neutrons, and a positive charge. 2. A nitrogen atom with 7 neutrons, 8…

A: Given We know about the number of protone ,nutron  and charge

Q: choose the correct answer.   36. Which of these represents an ion? *

A: Atomic number of an element is equal to number of protons present in nucleus of atom of that…

Q: 1. Give the name and element symbol of the element described by the following a. A noble gas in…

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Q: From the given atoms below, select an atom with 61 neutrons, 47 protons, and 46 electrons? OA. O A.…

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Q: If two neutral atoms are isotopes of each other, which of the following statements are true. More…

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Q: elements listed, and using a periodic table, how many protons, electrons and neutrons does each…

A: Given b. Iridium c. lodine d. Radium We need to write the number of electron , protons and neutrons…

Q: Identify each of the following as a metal, a nonmetal, or a metalloid.a. oxygen c. germaniumb.…

A: Each of the following has to be identified as a metal, a nonmetal, or a metalloid.

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: 2. Consider the element Uranium, U. Determine which isotopes are naturally occurring. Look up the…

A: The average atomic weight from the given mass number and natural abundance of each isotope of the…

Q: Why do atoms combine chemically with other atoms?

A: To explain: Why do atoms combine chemically with other atoms?

Q: Match these atomic diagrams to the correct element names. Red = electrons, blue = atomic nucleus A.…

A: -> Nucleus contains proton and neutrons. -> Number of electrons is equal to number of protons,…

Q: 14. The table shows the number of subatomic particles in Atom X and Atom Z. Atom X Z # of protons #…

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Q: 1) a. Define mass number of an atom with examples. b.what is nucleus and electron of an atom?

A: Mass number is  the sum of the numbers of protons and neutrons present in the nucleus of an atom.

Q: B. Use the information provided for each isotope to complete the chart. Atomic Symbol 35C1 88Cr…

A: Note : Dear student since you have posted multiple questions, we will solve only first question for…

Q: 17. Place the labels chemical symbols, atomic number, and mass number in the shorthand notation…

A: Atomic number  Mass number

Q: 1. Element X has 3 isotopes with masses of 15.990 amu (abundance 99.0%), 14.00 amu (abundance…

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Q: 15.In which of the following situations does water undergo a change in physical properties? a. The…

A: 15. A physical property is one in no new substance is forms, the change is physical i.e. color,…

Q: The isotope of an unknown element, X_ has a mass number of 77. The most stable ion of this isotope…

A: Number of protons = atomic number  Number of protons = number of electrons (in neutral atom)…

Q: Locate each element in the periodic table and classify it as a metal, nonmetal, or metalloid. a.…

A: Titanium belongs to group 4 and is present in d block. It is a metal. Chlorine belongs to group 17…

Q: The number of neutrons in an atom is equal to the mass number - the atomic number. the number of…

A: Mass number of an atom represents the sum of protons and neutrons present in that atomic nucleus. It…

Q: Q14. Which one of the following statements about atomic structure is false? A. An atom is mostly…

A: An atom consist of a nucleus.The nucleus of an atom is made up of positively charged protons and…

Q: . Isotopes contain different numbers of *       A. electrons       B. neutrons

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Q: Write the element symbol that fi ts each description, using a superscript for the mass number and a…

A: An atom is made of protons, neutrons, and electrons. Protons and neutrons together make the nucleus.…

Q: 2. Which of the following best describes an element? a. A neutral substance consisting of a cation…

A: Element is a substance which consists only of atoms having same atomic number and hence same…

Q: Consider the following data for the element Z. what is a) percent of abudance and average mass (in…

A: Every atom in periodic table has some atomic mass and atomic number. When atomic number of two…

Q: Name the following: Two elements belonging to the same period as Iron. Two elements belonging to the…

A: Note: According to our guidelines we are supposed to answer only first three subpart. Kindly repost…

Q: In which set of elements would all members be expected to have very similar chemical properties? a.…

A: We have given that   In a periodic table element are arranged in order of increasing atomic number,…

Q: What two properties of an electron did Robert Millikan determine from his experiments?

A: Robert millikan devised a straightforward method of measuring the minute electric charge that is…

Q: 5. Complete the following table of neutral atoms of isotopes. Nuclear Symbol 90 39Sr 104 154 Atomic…

A: atomic number = proton numberfor neutral atoms, proton number = atomic number = electron numbermass…

Q: 3. Atoms are the smallest unit of an element. They're made up of a nuclei composed of 5. Elements…

A: 2) periodic table elements are categorised by their atomic number  3) nuclei have proton and neutron…

Q: Write the atomic symbol, including the atomic number and the mass number for each of the following…

A: As we know atomic number is equal to number of proton. And mass number is the sum of the numbers of…

Q: 6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson

A: Since you have asked multiple questions, we will answer the first one for you. Kindly post the…

Q: Given the, antimony (III) ion Match each of the following with its correct answer The number of…

A: Given here antimony(III) ion and we are asked to match the correct answers.Note : atomic number of…

Q: These isotopes 2. Sulfur exists in nature as three isotopes. If the atomic have isotopic masses…

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Group 14 Elements

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