2321 ELECTRON DOT STRUCTURE (LEWIS ELECTRON DOT STRUCTURES) MASS # ATOMIC # ISOTOPE # OF N ВOHR ELECTRON NOTATION NOTATION DOT 13 33 2-8-18-5 20 18 31 36 6 21 2-8-18-18-8- 2 7

Q: Explain how it is possible for one element to have a higher atomic number than another and yet have…

A: Atomic mass of any element is actually its average atomic mass which is calculated by the addition…

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: Element/Ion 3115 P3- 6) 9) 12) 15) 5525Mn³+ 1) 16) A 107 207 39 55 2) 10) 13) 17) Z 47 55 3) 7) 11)…

A: we need to fill the given table with missing values

Q: Write the atomic symbolAZX for each of the isotopes described below.a. number of protons = 27,…

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: atomic weight

A:

Q: The relative abundances of silicon isotopes in a sample are  Si-28/Si-29 = 0.08069 and  Si-30/Si-29…

A: Absolute amount of the isotope is the amount of that isotope in the particular amount of sample.…

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: Abundance (%) Abundance Number of Protons Number of Neutrons Mass (amu) (decimal) Name of isotope…

A: Neodymium is a actinide element having atomic number 60. So this element can be represented as-…

Q: 10. Which of the following does not match the others? 168 (A) 67.2 3.88 1000 100 10 All, (M)/mol)…

A: ◆ Electronic Configuration is the distribution of electrons in the energy levels of the atom. The…

Q: The mass spectrometer may be used to A. Electrolyze water B. Detect the presence of isotopes C.…

A: We need to find where mass spectrometry can be used.

Q: Only two isotopes of copper occur naturally, Cu (atomic mass = 62.9296 amu; abundance 69.17%) and Cu…

A: Given,First isotope:Copper atomic mass = 62.9296amu.Abundance = 69.17% = 0.6917.Second…

Q: Nuclide Name 20-Ne 22-Ne 35-CI 37-CI 104-Pd 114-Sn 116-Sn 123-Sb 202-Hg 206-Pb Element name Neon…

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

Q: Symbol Atomic number charge Mass number Electron number Neutron number Proton number w m 16 127 53…

A: Mass no.= Number of protons + Number of neutrons Atomic number = Number of protons

Q: Stoichiometry Reassessment (S) For the reaction 3 H2 (g) + N2 (g) 2 NH3 (g), how many moles of…

A: Dear student I have given answer to your question in the image format.

Q: The atomic structure of four particles are shown. electrons protons neutrons 18 17 18 Q 18 17 20 17…

A: Isoelectronic species can be defined as the species which have same number of electrons in an atom.

Q: What is the atomic mass of oxygen-16 (15.9949 Amy) at 99.757%

A:

Q: One isotope of a metallic element has mass number 80 and has 55 neutrons in the nucleus. It forms an…

A: Atoms of the same element which containing same number of protons, but different number of protons…

Q: Question 22 Antimony has 2 stable isotopes 121-Sb mass 122.9042 amu. Calculate the percent abund…

A:

Q: Questions 21 and 22: From the information given in the following tables, fill in as many blanks as…

A: The number of protons and electrons in a neutral element is always equal. The atomic number of an…

Q: Only two isotopes of copper occur naturally, 63Cu (atomic mass = 62.9296 amu; abundance 69.17%) and…

A: It is given that :Atomic mass of 63 Cu = 62.9296 amuNatural abundance of 63 Cu = 69.17 %Atomic mass…

Q: Isotope Abundance Mass 69.9242 amu 70 Ge 20.8% 71.9221 amu 72 Ge 27.5% 72.9235 amu 73 Ge 7.75%…

A:

Q: Element Mg AI si Þ S CI Ar ATOMIC 12 13 14 15 17 18 Configuration

A:

Q: A sample of the element Phosphorus is shown to have a mass of 33 and å charge of -3. HoW many…

A: Neutral Phosphorus having mass 30.9 P having mass 33. Atomic number of P is 15, also atomic number…

Q: Atomic #- 10 Mass #- 20 # of p+ = # of n - # of e-D # of valence e Atom Symbol- Name of Atom

A: Atom contains sub atomic particles  such as  protons , electrons and neutrons

Q: isotopes

A:

Q: Which of the following statements best describes the role of neutrons in the nucleus? The neutrons…

A: The atom is smallest particle of any element that exists. The atom itself is composed of three…

Q: How to calculate the relative atomic mass (6.015122) of 6Li, from the atomic mass of Lithium?

A: As we know,  Relative atomic mass = atomic mass of an atom / 1 amu

Q: Ammonia is a gas with a characteristic pungent odor. It is sold as a water solution for use in…

A: Given information,

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: Supply the missing in the table below: Atom Mass number Proton (p) Neutron (n) Electron (e- ) A…

A: Fill the missing table of the given in the question.

Q: 20) Cu²+is an ion of copper. How many nucleons and charged particles are present in the ion? A.…

A: Nucleon is the collective term for protons and neutrons. Nucleons are the particles found in the…

Q: Fill in the table. Element Number of Protons Number of Neutrons Number of Electrons Mass Number…

A:

Q: 13. 9.62 g of an element contains 0.240 mol. Identify the element. А. В В. Не С. Са D. Zr E. Both Ca…

A: Weight of an element = 9.62 g No. of moles = 0.240 mol

Q: Potassium imparts a ________________color under the cobalt glass test. light green carmine red…

A:

Q: 4. A naturally occurring element X exists in three isotopic forms on the third planet of the Alpha…

A: Formula to calculate atomic mass from natural Abundance is :-  Atomic mass = ∑atomic mass × natural…

Q: 16. What charge will a cation formed from strontium have? Select one: a. none of these b. -3 С. -1…

A: Answer is explained below.  We know that Strontium (Sr) is a Group-2 atom.  The electronic…

Q: What is the connection between electrons and protons

A: In a neutral atom, the number of electrons is equal to the number of protons. Both of them are found…

Q: Which subatomic particle is transmitted through electric current? A. proton B. electron C.…

A: Which subatomic particle is transmitted through electric current?

Q: An element (M) has two stable isotopes and has an average atomic mass of 85.1 au. One of the 87M,…

A: Given that,  Average atomic mass of element Mm = 85.1 au Atomic mass of one isotope 87Mm with 27.8%…

Q: 8. Use isotope notation to show a. chromium-54 b. strontium-84

A: Isotopes can be defined as the variants of chemical elements that possess the same number of protons…

Q: What is the differences between an Oxygen atom (16 amu, atomic number = 8) and a Calcium atom (46…

A: Oxygen atom = 16amu Calcium atom = 40amu  Metal- it have tendency to lose electron. Non metal - it…

Q: 32. Radioactive decay is a process in which an unstable _____ changes energy states and emits…

A: Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation. This…

Q: Element Atomic number Mass number p+ е- 1. Не 1. 1. F 1. 1.

A: In an element, Atomic number = number of protons Atomic mass or mass number = number of protons +…

Q: Which one of the following species has a many electrons as it has neutrons? Select one: а. 14с b.…

A: In the nuclide symbol of an atom, Z-represents the atomic number which is number of protons present…

Q: MASS # ATOMIC # ISOTOPE NOTATION # OF N ВOHR NOTATION ELECTRON DOT 2-8-7 2-6 10

A: The question is based on the concept of atomic properties. we have been given bohr notation or…

Q: mass е relative (amu) abundance 111.9 90.3% 118.9 9.7%

A: Average Atomic mass = = (M1X1 + M2X2)/(X1+X2) = (111.9×90.3 + 118.9×9.7)/100 = 112.579 amu = 113

Q: Boron consists mainly of 19.9% boron-10 and 80.1% boron-11. What is the average atomic mass (amu) of…

A: The average Atomic Mass of Boron is given by -

Q: What is the name and symbol of the element?

A: Atomic number = number of protons  Mass number = number of protons + number of neutrons

Q: "Q" a FICTIONAL non-metal element has 7 valence electrons and it can form a polyatomic ion by…

A: It is given that Q have 7 valence electron so we are going to match the seven valence electrons…

Q: 11. Complete the following table by filling in the number of electrons in the last column and by…

A:

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.