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: Silver has an average atomic mass of 107.87 u. If 48.18% of Ag exists as Ag-109 (108.9047 u), what…

A: Given,average atomic mass of Ag = 107.87 u% abundance of Ag-109 = 48.18 %atomic mass of Ag-109 =…

Q: A fictional element Ho has two stable isotopes and an average atomic mass of 18.357 amu. Use the…

A:

Q: An atom of Nitrogen-13 has ____ protons and _____ electrons. A) 7, 6 B) 6, 5 C) 13, 7 D) 7,7

A:

Q: PERIODIC TABLE of the ELEMENTS 1 2 Atomic Number 1s H He Symbol 1.008 1 2 4.003 I 11 Relative atomic…

A: To address the problem regarding the mixture of ideal gases, we'll start by defining each…

Q: Helium-4 Oxygen-15 carbon-14 carbon-12 carbon-12 14C 12C^1 12C-2 X 150 4He 6 X 6 X 6 2 8 > 14 12 12…

A: As per the rules, only the first three sub-parts can be answered. Please repost the complete…

Q: es to access important values if needed for this question. A certain element consists of two stable…

A:

Q: Which two atoms are isotopes of one another? Atom #p* # n° #e A 10 8 B 10 9 10 9. D 11 A) A-B B) B-C…

A: Given, Atom no. of protons no. of neutrons no. of electrons A 8 10 8 B 10 9 10 C 9 9 9 D…

Q: Calculate the atomic mass element "X" if it has 2 naturally occuring isotopes withthe following…

A: Percent abundance of X-51 = 67.88 %  Percent abundance of X-53 = 32.12 %

Q: Complete the table below, using the diagram of an atom shown at right. Properties of subatomic…

A: Protons, neutrons, and electrons are the fundamental building blocks of atoms, the tiny building…

Q: Use the following table of data to calculate the average atomic mass of an unknown element, X:…

A:

Q: iodine-131: ,X iridium-192: x strontium-89: x

A: The radio-isotope is represented by ZXA. Where, X = symbol of an atom A = atomic mass (protons +…

Q: Calculate the average atomic mass of magnesium, given the information below.

A:

Q: 13. Complete the table below. Symbol Atomic Mass Number of Number of Number of Number Number Protons…

A: Since you have provided a question with multiple sub parts, we will do the first three. If you want…

Q: Complete the table below, using the diagram of an atom shown at right. name 0 symbol 0 n Р +…

A: Protons, which have a positive charge, neutrons, which have no charge, and electrons, which have a…

Q: 1. Complete the table: Symbol 119c 35C1¹- 325 Cu²+ 40 18 Ar Element name # of protons # of neutrons…

A: Since, For the given notation of the element, Number of proton = Atomic number Number of neutron =…

Q: An element X is composed of the isotopes X-14 and X-15 (see data table for mass and percent…

A:

Q: how many isotopes of bromine exist ?

A: Isotopes:The variants of a chemical element, which have same number of protons and differs in number…

Q: 2.) Average Atomic Mass: Given the following data, supply the average atomic mass for the element…

A: Magnesium has three isotopes and the average atomic mass of magnesium can be calculated by using the…

Q: has a mass about the same as that of a proton has a-1 charge is found in the nucleus is attracted to…

A:

Q: 19 94 element: # protons: # neutrons:

A: Atomic number of an atom is equal to the number of protons present in it. It is written in the…

Q: Neutral/lon Stable/Unstable 11. Using the simulation, build models of hydrogen that match each of…

A: The isotopes given are 11H0, 11H+1 and 31H0.

Q: 2. Use the following isotopes to answer the following 17 F, 9 135 Cs, 55 100 Sn, 50 214 Po 84 Sr, 38…

A: The stability of a nucleus depends on the ratio of the number of neutrons to the number of protons…

Q: A fictional element Ho has two stable isotopes and an average atomic mass of 18.357 amu. Use the…

A: We have to calculate the mass of 20Ho isotope.

Q: Three isotopes of Rubidium occur in nature: Fractional Isotope Atomic Mass Abundance Ru 85 0.7215…

A: Given :-  Isotope   abundance      atomic mass  Rb-85      0.7215             84.9118 amu Rb-87…

Q: Using the periodic table above, and the exact values under each element, calculate the molar mass of…

A: The molar mass of the compound can be calculated by the sum of the atomic mass of all the atoms…

Q: Calculate the atomic mass of an element Y if Y has 2 naturally occurring isotopes with the following…

A: Given Isotope Y, that has two isotope Y137 and Y129

Q: 5. Complete the table below: Symbol 206pb ?Cu²+ # Protons # Neutrons 31 52 39 76 34 # Electrons 54…

A: Mass number = mass of proton + mass of neutron Atomic number= number protons In a atom number of…

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.