8. 94. Determine the number of protons and neutrons in each isotope. 1. P1533 2. K1940 3. Rn86222 4. Tc4399

Q: 107. Prepare a table like Table 4.2 for the four different isotopes of Sr that have the natural…

A: The given atomic masses and % abundance are: mass of isotope (amu) % abundance 83.9134 0.56…

Q: How many protons, neutrons, and electrons are there in a neutral atom of 199F? #neutrons # electrons…

A: Given symbol of the atom = 919FNumber of protons = ?Number of neutrons = ?Number of electrons = ?

Q: There are two naturally occurring isotopes of chlorine. 35 Cl has a mass of 34.9689 u. 37 Cl has a…

A:

Q: find the number of neutrons in 118Cs?

A:

Q: 90 Electrons. neutrons 2. Yttrium was discovered in 1794. It is one of the elements used in…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 108. Determine the number of protons and neutrons in each isotope of chromium and use the listed…

A: Those atoms of an element which have same atomic and different mass number are known as the Isotopes…

Q: 2. Bromine has two naturally occurring isotopes (Br-79 and Br-81) If the natural abundance of Br-79…

A:

Q: Silicon has three stable isc mu). The ratio of the abund maturally occurring sample- erage atomic…

A: The objective of the question is to determine the average atomic mass that emerges when all the…

Q: 2. The most common isotope of hydrogen is protium, which has: O O protons and 1 neutron O 1 proton…

A: The most common isotope of Hydrogen is ProtiumHas an abundance of 99.98%. It consists of one 1…

Q: How many protons (p), neutrons (n), and electrons (e) are in one atom of  23  12   Mg  ? (*23 is the…

A: Mg is an Alkaline Earth Metal (Group 2) element. Atomic No. of Mg = 12 Mass No. of Mg = 23

Q: 7. Gallium has two naturally occurring isotopes. The mass of gallium-69 is 68.9256 amu and it is…

A: Average Atomic mass = (mass of 1st isotope x % abundance of 1st isotope + mass of 2nd isotope x %…

Q: Antimony has two naturally occurring isotopes: Sb-121, with mass 120.90 amu and a natural abundance…

A:

Q: 4. Which is a pair of isotopes? 238.. a. b. C. • d. 238 U and 92 59 27 Co and 27 Al 1341 and 39. K…

A: Which of the following is a pair of isotopes?

Q: A sample of gallium contains two isotopes and its atomic weight is 69.72 amu. If the sample is…

A: Isotopes can be defined as the members of same family having same atomic number but different mass…

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

A:

Q: 2. Element "X" has 2 naturally occurring isotopes with the following masses and natural abund X-69…

A:

Q: 10. Platinum has six isotopes: 1⁹0Pt, 192Pt, 194Pt, 195Pt, 196Pt, and 198Pt. The natural abundances…

A: We need to find the Average atomic mass of platinum from the given data of atomic mass of Isotopes…

Q: There are two naturally occurring isotopes of rubidium. Rb85 has a mass of 84.9118 u. Rb87 has a…

A: Solution Abundance in chemistry refers to abundance of isotopes of a chemical element found…

Q: 19. An atom of phosphorus has an atomic number of 15 and a mass number of 31. How many neutrons does…

A: Atomic number = 15  Mass number = 31  Neutron = mass number - atomic number  Neutron = 31-15…

Q: 165, How many protons and neutrons are in an atom of Number of protons=0 Number of neutrons = [ Ho ?…

A:

Q: Gallium consists of two isotopes, gallium-69 and gallium-71. Gallium-69 has a mass of 68.926 u and a…

A: Fractional abundance is the abundance shown in the fraction. It is the proportion of various isotope…

Q: Silver has an atomic mass of 107.868 amu. The Ag-109 isotope (108.91 amu) is 48.16%. What is the…

A: Answer : The correct option is (B)  106.91 amu    Given : Atomic mass of silver     = 107.868 amu…

Q: A certain element XX has four isotopes. 5.845% of XX has a mass of 53.93961amuamu.…

A: Average mass of an element is defined as the atomic mass of the element calculated by multiplying…

Q: 6. Calculate the atomic mass of a cosmic sample of silicon. The three silicon isotopes have atomic…

A: Given that silicon has 3 isotopesthe atomic mass of the first silicon isotope     is  = 27.9769 amu…

Q: There are two naturally occurring isotopes of rubidium. 85 Rb has a mass of 84.9118 u. 8/Rb has a…

A: Given: The atomic masses of the two naturally occurring isotopes of rubidium: 85Rb = 84.9118 u 87Rb…

Q: An imaginary element Xq consists of two isotopes having masses of 100.0 amu and 102.0 amu. A sample…

A: When an element exists in the form of two or more than two isotopes, the term average atomic mass Is…

Q: Potassium has three naturally occurring isotopes: 19 relative abundance =93.26% isotopic mass =…

A:

Q: How many Neutrons are present in Au*3 O a. 76 O b. 79 121 O d. 118

A: In this question, we will determine the number of Neutrons in Au+3 ion.  You can see details…

Q: a. b. C. d. 18. How many electrons, protons, and neutrons are in each of the following? c. Cobalt-58…

A:

Q: An element, X, has two isotopes, 35X and 37X, whose respective abundances are 75.77% and 24.23% and…

A: Given, Mass of 35X = 34.9688 amu Mass of 37X = 36.9659 amu  Mass of X = ?

Q: Rubidium has two naturally occurring isotopes: 85Rb and 87Rb. The natural abundance of 85Rb is…

A: Given,  Rubidium has two naturally occurring isotopes : 85Rb and 87Rb Relative abundance of 85Rb =…

Q: Atmospheric argon is a mixture of three stable isotopes 36Ar, 38Ar, and 40Ar.  Use the information…

A:

Q: 9. Protons Neutrons 64 +1 Electrons 30 Zn

A:

Q: There are two naturally occurring isotopes of gallium. Gallium-69 has a mass of 68.9256 u.…

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.