Write the standard isotopic notation for the following atoms: a)80p, 80e,120n b)7p,7e,8n c)13p,13e,14n

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: Write isotopic symbols in the form zXA for each isotope. the argon isotope with 22 neutrons

A: Different forms of same element which have different mass number (A) and same atomic number (Z).…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A:

Q: 3. Explain the statement , Matter and radiation have “dual nature.”

A: The matter is that substance which has its own mass and occupies some space.Light or radiation are…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, Li…

A: Atomic weight of element Li = 6.941 amu Mass of 6Li = 6.0151223 amu Mass of 7Li = 7.0160040 amu

Q: Calculate the atomic mass of the element: Mass                Abundance 22.1760             45.00%…

A:

Q: using the following data for lée magnesium isotopes. Isotope Mg-24 Mg-25 Mg-26 % abundance 23.985…

A: Since you have posted multiple questions without specified question number , so as per guidelines we…

Q: Sr-90 has [ Select ] neutrons than Y-91

A:

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A: It can be calculated as :-

Q: Only two isotopes of Sb (antimony, Z=51) are stable. Pick the most likely stable isotope from the…

A:

Q: A bromine atom has an atomic number of 35 and an atomic mass of 80. What is the structure of this…

A:

Q: Two isotopes of rubidium occur naturally, with 37/85Rb at 72.17% (84.91 amu) and 87/37Rb at 27.83%…

A: The average atomic mass of an element is determined by taking the weighted average of the atomic…

Q: 2. 10 5 Consider the element with the electron configuration [Kr]5s 4d 5p. This element is Select…

A:

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A: Atomic mass of element Li = 6.941 amu Mass of  6Li = 6.0151223 amu Mass of 7Li = 7.0160040 amu.

Q: Which particle diagram represents a mixture of three substances? * 1 point Key O = an atom of one…

A: option 2  here in this image , there are 3 different types of molecules 1) two atoms of one element…

Q: 1. Complete the following table: Symbol # protons # neutrons # electrons Mass Atomic number Number…

A: The atomic number is the number of protons or electrons present in the element. The atomic mass…

Q: Write the isotopic notation for an isotope that has an atomic number of 35 and a mass number of 81.

A: Given   Atomic Number   = 35    Mass   Number  =  81  Isotopic Notation     = ?

Q: What is the name of the elements with the followihg atomic numbers: Atomic Number Element 41 60 91

A: Write name of the given atomic number---

Q: A rough estimate of the radius of a nucleus is provided by the formula r 5 kA1/3, where k is…

A: The given radius is: where k is the Fermi constant (1.3×10-13cm) and A is the mass no. of Iodine…

Q: The mass of a cesium (Cs, atomic number 55) atom is 2.21×10−25 kg, and its radius is R = 2.65×10−10…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: Determine the percent abundance for J-67 and J-68, given the following data: The average atomic mass…

A: The average atomic mass of the element J is 65.96amu.   Let the abundance of  J-68  is M %.…

Q: The element lithium has two naturally occurring isotopes.One of these has a mass of 6.0151 amu and a…

A: Given that: mass of first isotope = 6.0151 amu abundance = 7.49 % mass of second isotope = 7.0160…

Q: 2.34 Describe Thomson's model of the atom. How might it ac- count for the production of cathode…

A: Thomson's model of atom is also known as plum pudding model. According to plum pudding model, atom…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A:

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A:

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A:

Q: How do different isotopes of nitrogen behave similarly or differently from each other

A: There are three isotopes of nitrogen, which are nitrogen-13, nitrogen-14, and nitrogen-15. Isotopes…

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

A: Answer :-  R44101u…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A: We would use formula to calculate average atomic weight to calculate the abundance , formual is…

Q: Write isotopic notation symbols for each of the following   z=8.  A=18

A: Isotope notation:

Q: Mg has three stable isotopes. Given a sample of Mg with the following masses and percent abundances:…

A: Average atomic mass is the ratio of total mass of isotops divided by total abundance.

Q: If the heaviest isotope (A) is more abundant and the other isotopes (B & C) were less abundant,…

A: The periodic table's atomic mass is the average weight of all its isotopes. Average atomic mass of…

Q: ... How many protons, electrons and neutrons are in each of the following? a) 37Cl = protons 17,…

A: #(I): In a neutral atom, Number of protons(p) = Number of electrons(e) = Atomic number(Z) Number of…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, 6Li…

A:

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, Li…

A: Average atomic mass = 6.941amu  6Li has mass of 6.0151223 amu 7Li has a mass of 7.0160040 amu

Q: 01. Find "x" in the following Dobereiner triad: Element Ca Sr Ba P.A 40 x 138 a) 88 b) 89 c)…

A: 01. Find "x" in the following Dobereiner triad:Element Ca Sr BaP.A 40 x 138 Ans = b) 89…

Q: 3. Atoms are the smallest unit of an element. They're made up of a nuclei composed of 5. Elements…

A: 2) periodic table elements are categorised by their atomic number  3) nuclei have proton and neutron…

Q: Use the information from the graph to detemine the average atomic mass and theidentity of the…

A:

Q: MCQ 35: Protons (p') and neutrons (n") constitut A. nucleus B. nucleon C. orbital D. diameter

A: The question is based on the concept of atomic structure. we are talking about subatomic particles…

Q: Consider the following data: isotope                  atomic mass                    abundancy%…

A: ANS. Option B) 31.19 amu

Q: One of the assumptions of the atomic theory is that (each energy level is coupled with a fixed…

A: Each energy level is coupled with fixed amount of energy, the energy level closest to the nucleus…

Q: 4. Propose an explanation for the observation that elements with even atomic numbers are more…

A: "Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

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

A: Symbol of element is given  Mass number ,Atomic Number ,Proton number ,electron  Number , Neutron…

Q: An aluminum atom has an average diameter of about 3.0 * 10- 8 cm. The nucleus has a diameter of…

A: Given, average diameter of aluminum atom = 3.0 x 10-8 cm            diameter of nucleus = 2.0 x…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, ©Li…

A:

Q: two isotopes of rubidium occur naturally, Rb with mass of 85 and atomic number of 37 at 72.17%…

A: Average atomic mass can be determined by the equation given below:

Q: 1. The radius of a Cl nucleus is 4.0 fm, and the radius of a Cl atom is 100 pm. (1 fm = 1 x 10-¹5 m;…

A: Radius of Cl nucleus is 4.0 fm And 1 Fm = 10-15 m radius of nucleus = 4 × 10-15m Diameter = 2 ×…

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

A: The average atomic weight of the Molybdenum isotopes can be calculated as

Q: element? 24 25 Ⓒ26 There is not enough information to get the correct answer Submit Request Answer Q…

A: It is given that the element always looses 2 electrons to give +2 charge . Hence it is clear that…

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.