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: Antimony (Sb) has two naturally occurring isotopes: Sb-121 that has a percent abundance of 57.21%…

A: Given: Isotope of Antimony (Sb)  % abundance  Sb-121.  57.21%.  Sb-123. 42.79%.

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

A: The electrons, protons, and neutrons are the basic constituents of an atom. They help in determining…

Q: 1. How many calories are released when 100. g of steam condenses? The heat of condensation for water…

A: Given: Mass of water = 100 g The heat of condensation for water = 540 Cal/g

Q: Why are the chemical properties of all isotopes of the same element identical?

A: Atoms of the same element, having same number of protons and electrons, but differing only in the…

Q: What are the Group 1A elements called? What are some shared characteristics within the group? Same…

A: Group 1A elements are called as the alkali metals. They include hydrogen (H), lithium (Li), sodium…

Q: What are isotopes? Name at least two isotopes of 14N (show the Z, N, and A values of the isotopes.

A: An isotope is one of two or more species of atoms of a chemical element with the same atomic number…

Q: What is the atomic mass of Sulfur?* O 16 O 64.12 32.07 What is likely to be the most common isotope…

A:

Q: Is the statement consistent with Rutherford’s nuclear theory as it was originally stated? Why?…

A: The basic unit of matter is called atom. Various theories were given to explain structure of atom.…

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

A:

Q: A certain element exists as three different isotopes, 29.1% of all the isotopes have a mass of 75.23…

A: The average atomic mass can be calculated by using Following formula - AAM = (Mass of 1st isotope×%…

Q: Which of these is found in the nucleus of an atom? * -Protons -Electrons -DNA -Depends on the atom

A:

Q: Consider the three stable isotopes of Oxygen with their respective atomic masses:         O =  16…

A: Atomic mass of an element which is shown in modern periodic table is the average atomic mass of all…

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: PART I: ATOMIC STRUCTURE Build an Atom simulation (https://goo.gl/LgLznB) 1. Explore the Build an…

A: An atom is the smallest particle of matter that participates in a chemical reaction, though it is…

Q: Calculate the atomic mass of a hypothetical element with 2 isotopes, the first with mass 34.15 amu…

A:

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

A:

Q: Consider the following selected postulates of Dalton's atomic theory: (i) Each element is composed…

A:

Q: 1H, 2H, and 3H are examples of ________ because they have different numbers of ________.…

A:

Q: Hydrogen isotope( Atomic number =1) with 1 neutron and 1 electron. carbon isotopes ( Atomic…

A: Mass number :-        It is the sum of total number of protons(P)  and the neutrons(N) present in an…

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

A:

Q: An element exist as 3 isotopes in nature. The isotopic masses (in amu) and percent abundance’s are…

A: The average atomic mass of element is equal to the product of the masses of the isotope and its…

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

A:

Q: they all have different mass numbers. And the reason for having different mass numbers should be due…

A:

Q: For an atom to be electrically neutral, it must have the same number of:   a. electrons and…

A: The charge on the proton is positive . The charge on the electron is negative . There is no charge…

Q: An element has four naturally occurring isotopes with the masses and natural abundances given here.…

A:

Q: Neon has three stable nautrally occurring isotopes. The isotopic mass and percent abundance of these…

A: The average atomic mass of neon is determined using the below formula.

Q: 5) Elements in the last column of the periodic table are called, 6) What distinguishes one element…

A: 5. Elements in the last column of the periodic are called Noble gases 6. The atoms of the element .…

Q: 9. What does the atomic number on the periodic table indicate about an atom of that element? A the…

A: Option A will be correct.

Q: 6. The element magnesium has three naturally isotopes. Given the following information calculate the…

A: Certain metal in period table have more than 1 isotope with different relative abundance  Here We…

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: Which pair of particles has the same number of electrons?

A: Total electrons in a cation = atomic number - total positive charge  Total electrons in an anion =…

Q: Describe what would happen to Atomic/Ion A if it lost an electron. What would happen if it lost a…

A: An atom is electrically neutral because the no of protons and the no of electrons are equal.  Atomic…

Q: The element oxygen has three naturally occurring isotopes, with 8,9, and 10 neutrons in the nucleus,…

A: The isotopes has the same atomic number but different atomic masses.

Q: 3. The atoms in the previous question are isotopes of each other. Based on this information, list…

A: Given that, Atoms are isotopes of each other. What are the requirements for two atoms to be isotopes…

Q: Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to…

A: Given, Dimension of paper  = 8.5’’ x 11’'

Q: Consider an atom of 63Cu. (a) How many protons, neutrons,and electrons does this atom contain? (b)…

A: a. The number of electorns is = 29  The number of protons is = 29 The number of neutrons is = mass…

Q: According to the law of conservation of matter, what happens to the atoms in a chemical reaction?…

A: (a) The atoms are rearranged with no loss in mass

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: 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: Models neutrons can are be used to show the structure of an atom, The protons and clustered aroUnd…

A: The element which was shown in the given model has to be identified.

Q: Consider generic atoms A, Be C. It is known that the mass number of A is equal to 101, the mass…

A: The atoms which have the same number of the proton but the neutron number is different is called…

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

A:

Q: Which statement is TRUE? An atom of Carbon-14 contains 6 protons, 8 neutrons, 6 electrons in its…

A:

Q: Do isotopes have the same chemistry among each other? Do they have the same electron configuration?

A: Isotopes of an element have same number of protons with different number of neutrons in the nucleus.…

Group 14 Elements

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