6. Isotopes. Silicon (Si) is a major component of semiconductor chips. It has three naturally occurring isotopes: 285i, 29Si, and 30Si. Determine the numbers of protons, electrons, and neutrons in an atom of each silicon isotope. Silver (Ag; Z = 47) has 46 known isotopes, but only 2 occur naturally, 107Ag and 10Ag. Given the following data, calculate the atomic mass of Ag ): Isotope Mass (amu) Abundance (%) 107 'Ag "Ag 106.90509 51.84 109 108.90476 48.16

Q: The two naturally occurring isotopes of element X are ^18X (80%) and ^19X. What is the average…

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: 106. Carbon-12 contains 6 protons and 6 neutrons. The radius of the nucleus is approximately 2.7 fm,…

A:

Q: 2. Silver has an average atomic mass of 107.87 amu and has 2 isotopes. *Ag has a mass of 106.95 amu…

A:

Q: a)Silver is composed of two naturally occurring isotopes: Ag-107 (51.839%) and Ag-109. The ratio of…

A: In isotopes of any element, number of protons are equal but number of neutrons are different. They…

Q: Boron (BB)  has two naturally occurring isotopes: BB-10, which has a percent abundance of 19.88 %%…

A: The above mentioned question is explained below :

Q: Calculate the molecular mass of the ethanol using the mass of the electrons, protons, and neutrons.…

A: We know that no. of electrons in ethanol =26 No. of protons in ethanol = 26 No. of neutons= 20

Q: There are two naturally occurring isotopes of rubidium. What is the abundance of each isotope?…

A: The abundance of each isotope is to be calculated.

Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

A:

Q: 32. Americium­241 is used in household smoke detectors. This element has 11 known isotopes, none of…

A: Given  Atom = Americium - 241  Number of proton , neutron , electron = ?

Q: Isotope Mass (amu) Percent Natural Isotope Calculate average weighted atomic mass Abundance…

A: Average atomic mass of any element is calculated by adding the product of mass of isotope multiplied…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given thatIsotopeMass (amu)Relative Abundance96Ru95.9192.6%100Ru99.907.4%we have to calculate the…

Q: 3. Boron (B; Z=5) has two naturally occurring isotopes. Find the percent abundances of ¹0B and ¹1B…

A:

Q: Back on planet Earth, elements have different isotopic distributions. The atom Chlorine ( Cl ) has…

A:

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…

A: We have to calculate the percentage of rarest of three isotopes.

Q: Consider the element Ti (p=22, n=26) with a nuclear mass of 7.94869 x 10-23 g. (Given: mass of…

A:

Q: 1. Lithium occurs in nature as a mixture of two isotopes: Li, which has an atomic mass of 6.015 amu,…

A: Given;

Q: bottle. The bottle contains 3.78 L of ethanol. The bottle contains 2 What is the density of ethanol…

A:

Q: Magnesium exists in nature as three stable isotopes. Suppose you determine that 9.87 moles of…

A: Given - Exact masses of isotopes of Mg 25Mg = 24.9858 amu 24Mg= 23.9850 amu. 26Mg = 25.9826 amu. To…

Q: An element consists of two isotopes and has an average atomic weight of 85.561 a.m.u. The abundance…

A:

Q: None

A: To calculate the average atomic mass of titanium on the given planet, you will use the natural…

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope 46TI…

A:

Q: 8. Europium is the element responsible for the red phosphors in a colour TV screen. The mass…

A: #8: We are given the mass spectrum of the isotopes of the element Europium(Eu).  According to the…

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: A new (imaginary) element has been discovered.  It exists in three naturally occurring isotopic…

A: Given: ISOTOPE Mass (amu) Abundance (%) Isotope 1 300.163 15.525 Isotope 2 302.635 20.919…

Q: Antimony has two naturally occuring isotopes, Sb121 and Sb123. Sb121 has an atomic mass of 120.9038…

A: Given: Weight of isotope Sb121 = 120.9038 u Weight of Isotope Sb 123 = 122.9042 u. Average atomic…

Q: D Suppose that fictional element X has an average atomic mass of 74.029 u. Element X has two…

A: Given -> Average atomic mass = 74.029 u Isotope -1 has mass(m1) = 72.021 u Isotope -1 has…

Q: In Star Trek, a (fake) element that often plays a role in the plot is dilithium (Dt), which has…

A: Since the % abundance is not given exactly, it is a variable, thus answer will be given in terms of…

Q: Copper has two naturally occurring isotopes with atomic masses of 62.9296 u (C u) and 64.9278 u…

A: When two atoms have same atomic number and different atomic mass, such atoms are called isotopes.…

Q: Gallium is a metal which forms compounds with a wide variety of uses. Some of the applications of…

A:

Q: There are two naturally occurring isotopes of boron. 10B has a mass of 10.0129 u.11B has a mass of…

A: Given, Atomic mass of 10B (isotope I) = 10.0129 u Atomic mass of 11B (isotope II) = 11.0093 u   Let…

Q: CI has two isotopes; 17CI in 10 % , 18CI in 70%. and 15CI in 20%. The average atomic mass of Cl…

A: In this question, we want to determine the average atomic mass of Cl atom. You can see details…

Q: Lithium, is used in dry cells and storage batteries and in high temperatures lubricants, it has two…

A: Given- M1=6.01521 M2=7.016003 A1 (%)=7.50 A2(%)=92.50

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: a. An element (X) is found in the (4th row & 6th group) of the periodic table. Write the symbol of…

A: We have to find the element X in given questions

Q: A sample of lithium consists of 400 atoms. 30 atoms are the isotope Lithium-6 (6.015 amu) and 370…

A: Calculation of average atomic mass using % abundance of isotopes:

Q: 5. A sample of Magnesium contains three isotopes and its average atomic weight is 24.35 amu. If the…

A:

Q: . Write an equation describing the relationship between the mass number (A), the number of protons…

A: 1.  Atomic number is represented by  Z  Atomic number is defined as number of protons  in the…

Q: determine the number of carbon atoms in a one-carat diamond.

A:

Q: ⒸMacmillan Learning On another planet, the isotopes of titanium have the given natural abundances.…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Mass (u) Isotope 46TI…

A:

Q: Gallium is a metal which forms compounds with a wide variety of uses. Some of the applications of…

A: Naturally occurring of gallium has two isotopes. The relative abundance of both isotope is 100% and…

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.