Gallium has two naturally occurring isotopes with the following masses and natural abundances: Isotope Mass (amu) Abundance (%) Ga-69 68.92558 60.108 Ga-71 70.92470 39.892   Calculate the atomic mass of gallium. Express your answer using five significant figures.

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a…

A:

Q: What is the symbol (including the atomic number, mass number, and element symbol) for the oxygen…

A: Given that, 1) Isotope= Oxygen 2) 2145Sc

Q: The element antimony exists in nature as two isotopes: 121Sb has a mass of 120.9038 u and 123Sb has…

A: The average atomic mass of Sb = 121.76 u.Mass of 121Sb = 120.9038 u.Mass of 123Sb = 122.9042 u.Let…

Q: Given the information below, calculate the abundance and mass for the missing isotope of platinum.…

A: With datas given From the total abundance of percentage , abundance percentage is found and with the…

Q: As we saw in the previous problem, lithium has two naturally occurring isotopes: Li-6 (natural…

A: The mass which is closest to the atomic mass of Li has to be given.

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

A: The average atomic mass of three isotopes can be calculated using the following expression:

Q: An element has three naturally occurring isotopes with the following abundances and masses::…

A: Since the atomic mass of any element is given by the average mass of its isotopes Hence the atomic…

Q: Enter your answer in the provided box. Calculate the average atomic mass of chlorine. The…

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Q: What is the average atomic mass of titanium on that planet?

A:

Q: Naturally occurring magnesium has an atomic mass of 24.312 and consists of three isotopes. The major…

A: The natural abundance of 25Mg is assumed to be x.  The natural abundance of 26Mg is assumed to be y.

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: Naturally occurring copper exists in two isotopic forms: 63Cu and 65Cu. The atomic mass of copper is…

A: When there is more then one isotope then the molecular weight becomes fractional due to average…

Q: Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51y with…

A:

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

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

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

A: A element has several isotopes in nature and its occurrence by percentage is called abundance.…

Q: Nitrogen consists of two naturally occurring isotopes. 14N (relative mass 14.003074 amu) and 15N…

A: The Nitrogen consists of two naturally occurring isotopes. The atomic mass of an element is a…

Q: Nitrogen has two isotopes, N-14 and N-15. The isotopic masses of these isotopes are 14.0031 amu and…

A: Let consider x and y be the abundance of N-14 and N-15 isotopes of nitrogen respectively. Then we…

Q: Consider an element Z that has two naturally occurring isotopes with the following percent…

A: average atomic mass= ∑%abundant×Molar mass/100 using this we can calculate the average atomic mass…

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

A:

Q: Fill in the blanks to complete the table.  Complete the sixth column of the table by giving the…

A: The atomic number of any atom refers to the number or count of protons present in the nucleus of…

Q: Naturally occurring magnesium has an atomic mass of 24.312 and consists of three isotopes. The major…

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

Q: An element has the following natural abundances and isotopic masses: 81.47% abundance with 45.23…

A: As per the given data: The natural abundances and isotopic masses of three isotopes are: Natural…

Q: Gallium has 2 naturally occurring isotopes, 69Ga and 71Ga. If 69Ga has an exact isotopic mass of…

A:

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 190.9606 amu and a relative…

A: Since,    Average Atomic mass=Σmass of Isotope×% of Isotope100

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

A: By using this formula we can calculate the Average atomic mass of titanium on that planet .

Q: A fictitious element X has two isotopes with the following masses and % abundances. What is the…

A:

Q: Calculate the atomic mass of magnesium. The three magnesium isotopes, Mg-24, Mg-25, and Mg-26, have…

A: Isotope is the same number of protons and electrons but have a different number of neutrons in an…

Q: An element of unknown atomic mass has only two naturally occurring isotopes: 69X (68.935 amu,…

A:

Q: 10. Copper has two naturally occurring isotopes, 6Cu (isotopic mass = 62.9296 amu) and 6Cu (isotopic…

A: Atoms of the same element having same atomic number but different mass number are called as…

Q: 7. If an element, “X" has two isotopes with the following masses and abundances: 46X = 45.974 amu ,…

A:

Q: The element uranium (U) has three naturally occuring isotopes, 234^U, 235^U, and 238^U. 234^U has an…

A: The average atomic mass of uranium given by formulas : Mavg = Mass of isotopes* percentage of…

Q: The element chlorine has two naturally occurring isotopes. The isotopic masses and abundances of…

A: Recall the following expression to calculate average atomic mass of chlorine average atomic…

Q: 1. (a) What isotope is used as the standard in establishing the atomic mass scale? (b) The atomic…

A:

Q: Given the following information about the isotopes of Titanium, calculate the average atomic mass of…

A: We know that,

Q: Copper has two naturally occurring isotopes, 63Cu (isotopic mass 62.9396 amu) and 65Cu (isotopic…

A: Given,Mass of 63Cu (isotope I) = 62.9396 amuMass of 65Cu (isotope II) = 64.9278 amuAtomic mass of Cu…

Q: Antimony has two naturally occuring isotopes, 121Sb and 123Sb. 121Sb has an atomic mass of 120.9038…

A:

Q: 1. Use the concepts of relative abundance and relative weight to explain why carbon has an atomic…

A: If the element have isotopes then its average atomic mass is calculated.

Q: Gallium has two naturally occurring isotopes, 69Ga and 71Ga. The average atomic mass of galllium is…

A: Since the atomic mass is given by the average atomic mass of both the isotopes  Hence the atomic…

Q: Silver has two naturally occurring isotopes, 107Ag (isotopic mass 106.90509 amu) and 109Ag (isotopic…

A: Assuming the percent abundance of 109Ag isotope is y. Hence the percent abundance of 107Ag isotope…

Q: The average atomic mass of an element is known to be 24.3 amu. Determine the atomic mass of the…

A:

Q: Give the name and the number of neutrons in each isotope. 19/9X Spell out the full name of the…

A:

Q: Antimony has two naturally occurring isotopes: 121Sb (isotopic mass 120.904 amu) and 123Sb (isotopic…

A: If A1 and A2 atomic masses of two isotopes of an element with X1 and X2 as their percentage…

Q: Calculate the average atomic mass of iron: Isotope: 54Fe; 56Fe; 57Fe; 58Fe Mass (amu): 53.940;…

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

Q: As we saw in the previous problem, lithium has two naturally occurring isotopes: Li-6 (natural…

A: Percentage by which an isotope of element occurs with other isotopes of same element, is natural…

Q: An isotope of lead (Pb) has 122 neutrons. The mass number of this isotope is a. 204 b. 82 c. 288…

A: The solution is as follows :

Q: Write the atomic symbols for isotopes

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: Potassium (atomic mass= 39.10 amu) has three isotopes with masses 38.9367 amu, 39.9640amu, and 40.…

A: Given, Atomic Mass of Potassium = 39.10 amu Three isotopes having masses : 38.9367 amu , 39.9640 amu…

Q: Variations in average atomic mass may be observed for elements obtained from different sources.…

A: Fractional abundance can be calculated using the formula,

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.