e Web Note made in Microsoft Edge Chapter 2: EOc Question 3 [References) 1 pt An atom has a very small nucleus surrounded by an electron "cloud." The figure below represents the nucleus with a diameter of about 2 mm and describes the electron cloud as extending over 200 m. If the diameter of an atom is 1 x 10-8 cm, what is the approximate diameter of its nucleus? %3D Question 4 1 pt Question 5 1 pt Nucleus with protons (positive electric charge) and neutrons (no electric charge). Question 6 1 pt Question 7 1 pt Question 8 1 pt Question 9 1 pt Question 10 1 pt Question 11 1 pt Question 12 1 pt Question 13 1 pt Electrons (negative electric charge). The number of electrons and protons is equal in an electrically neutral atom. Question 14 1 pt Question 15 1 pt Diameter = 2 cm Question 16 1 pt Question 17 1 pt Submit Answer Try Another Version 10 item attempts remaining Question 18 1 pt Progress: 2/25 items Due May 13 at 08:55 PM Previous Next Finish Assignment Email Instructor Save and Exit Cengage Learning | Cengage Technical Support e Web Note made in Microsoft Edge Chapter 2: EOC [References) Question 1 1 pt Give the complete symbol (X), including atomic number and mass number, of Question 2 1 pt a. a manganese atom with 27 neutrons. Question 3 1 pt 4X: Question 4 1 pt b. a plutonium atom with 144 neutrons. Question 5 1 pt X: Question 6 1 pt Question 7 1 pt c. a tantalum atom with 108 neutrons. Question 8 1 pt X: Question 9 1 pt Question 10 1 pt Submit Answer Try Another Version 10 item attempts remaining Question 11 1 pt Question 12 1 pt Question 13 1 pt Question 14 1 pt Question 15 1 pt Question 16 1 pt Progress: 2/25 items Due May 13 at 08:55 PM Next Previous Finish Assignment Email Instructor Save and Exit Cengage Learning | Cengage Technical Support

Q: Antimony (Sb) has two naturally occurring isotopes: Sb-121 that has a percent abundance of 57.21%…

A: Given: Isotope of Antimony (Sb)  % abundance  Sb-121.  57.21%.  Sb-123. 42.79%.

Q: You have discovered a new element - Bluehenium (Bl).  It has two naturally occurring isotopes 68Bl…

A:

Q: (a) an atom with 20 protons and 20 electrons chemPad Help XX" Greek Ca2+ Ca^2+ (b) a sodium atom…

A: Atomic number = number of protons = no. of electrons (for a neutral atom)   Mass number = number of…

Q: Question attached

A: Complete the table Element Nuclear symbol Atomic number Mass number Proton Neutron Electron…

Q: Suppose an element consisted of two isotopes with masses of 89.9 amu and 91.1 amu. If 1.500x103…

A: When elements occur in earth crust in more than 1 natural form or commonly known as isotopes, their…

Q: Fill in the blank spots.

A: The atomic number (Z) of an atom is equivalent to the number of protons which is equivalent to the…

Q: 1. A sample of magnesium has the following isotopic abundances: Isotopic mass (amu) 23.99 24.99…

A:

Q: Boron has two naturally occurring isotopes: ^10B has a mass of 10.01 amu and 11^B has a mass of…

A:

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

A: Given  Isotope  Mass            Fractional abundance    19.992    ( m1 )                    0.9048 (…

Q: D. Isotopes and Atomic iMass Reading list 1 Nuclear Symbol Protons Neutrons Electrons 107 47Ag Ag…

A:

Q: a. 0 b. -2 35. Rubidium has two naturally occurring isotopes, Rb-85 (relative mass 84.9118 amu) with…

A: According to our guideline only one question can be solved. Kindly repost the unanswered question…

Q: Part A - Determining the Number of Subatomic Particles in Ato Which of these atoms has the largest…

A: As we know Mass number= no. of proton+ no. Of neutron Also, No. Of proton= Atomic number Hence, No.…

Q: Three isotopes of silicon occur in nature: 28Si 192.23%2, atomicmass 27.97693 amu; 29Si 14.68%2,…

A: It is given that there are three isotopes of silicon with percent abundance and atomic mass as…

Q: 2.70 Naturally occurring boron consists of two isotopes: 1°B (19.9%) with an isotopic mass of…

A: Average atomic mass is given as,

Q: Part A Copper atoms are heavier than magnesium atoms. So, although each atom of magnesium can…

A:

Q: The type of subatomic particle that has a low mass, has a negative charge, and whirls around the…

A: In atomic structure electron moves around the nucleus.

Q: 5. Calculate the percent abundance of carbon-14 with a mass of 13.97 u and carbon- 12 with a mass of…

A: We have to calculate the % abundance of two isotopes.

Q: Cerium is the most abundant rare earth metal. Pure cerium ignites when scratched by even by a soft…

A: Isotopes are variations of a single chemical element that varies in the number of neutrons and…

Q: & The other form of isotope notation is known as Add Text Here 9. For each isctope, write it in the…

A:

Q: question below

A:

Q: The average atomic mass of lithium is 6.941 amu. Lithium has two naturally occurring isotopes, 6Li…

A: Given:The average atomic mass of lithium = 6.941 amu% of Li isotopes = 6Li (7.52%) and 7Li…

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

A:

Q: Potassium naturally consists of 93.10% K-39 and 6.90% K-41. K-39 has an atomic mass of 38.963707…

A:

Q: How many neutrons are in the nucleus of the atom 113 Cd? 48

A: We have given that  The element is cadmium    Atomic number of cadmium = 48 Given that mass of…

Q: For the following questions determine the percent abundance of each isotope. The periodic table is…

A: Given Two isotope Oxygen - 16(smaller isotope)      Atomic mass = 16Oxygen - 18(larger isotope)…

Q: This homework is going to center around a completely made up element Maplenium. This metal has a…

A: Given data,Density of Ml=31.284lbs/dm3Mass of Ml=8.22×10-2Kg=0.18122lbsDimensions of…

Q: 39.) In the gold foil experiment, Rutherford used alpha particles He2+ (mass number 4) to bombard a…

A: An alpha particle is a radioactive particle that is made up of two protons and two neutrons. It is a…

Q: A hypothetical element X is found to have an atomic mass of 37.45 amu. Element X has only two…

A: Given, Atomic mass of element X = 37.45 amu Element X consist of two isotopes- 1. X-37 2. X-38…

Q: Consider that element W has three naturally occurring isotopes with the following percent…

A: Given: Isotope with a mass number of 40 is 53.0% abundant; Isotope with a mass number of 44 is 27.0%…

Q: b. An atom that has a mass number of 39 and contains 19 protons. Potassium C. An atom with mass…

A:

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: Use the element box for potassium to fill in the missing information. 19 K Protons = Type here…

A: Given: Element box of Potassium:

Q: 30 The mass of one atom of 14' Silicon is 29.9738 amu. What is its mass mass deficiency (amu/atom).…

A:

Q: Timothy is studying atoms in school. He creates a chart Number to organize of information Neutrons…

A: We do have three sub atomic particles, namely electrons, protons and neutrons with " -1 ,+1 and 0 "…

Q: calculate the atomic mass for Sb.

A: Average atomic mass is defined as the sum of the masses of its isotope each multiplied by its %…

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

A:

Q: How many neutrons does the Fe-56 isotope contain? (a) 26 (b) 30 (c) 56 (d) 112

A: An atom contains three sub-atomic particles named as protons, electrons  and neutrons. Protons are…

Q: Find the number of electron and neutrons in the following: 195Pt+2 Electrons Neutrons

A: The number of neutrons = (The mass number - the proton number)

Q: 32p is an isotope of phosphorus that is frequently used in Biology labs. It has a mass number of 32.…

A: The given isotope is 32P.  The mass number of 32P, A = 32  Atomic number of 32P, Z = 15

Q: Naturally occurring cobalt consists of only one isotope, 59Co, whose relative atomic mass is…

A: Given, Atomic mass of 59Co = 58.9332 Atomic mass of 60Co = 59.9338 Given mass of Co = 1.5886 g…

Q: Fill in the empty cells. Isotopic Symbol Element atomic Symbol number mass # of # of # of number…

A: Atom consist the mainly three sub atomic particles, that are electron, proton and neutron. Electron…

Q: Isotope Name (wimass number) Atomic Number of Number of Total Electric Number of Electrons Number…

A: Complete the given table---

Q: An atom has a diameter of 3.50 Å3.50 Å and the nucleus of that atom has a diameter of 4.00×10−5…

A: The answer to the first question can be calculated as -

Q: Element: Lead Name of isotope Number of Number of Abundance Abunda Protons Neutrons Mass (amu) (%)…

A: We are given isotopes of lead(Pb), and we have to find the number of protons, neutrons and %…

Q: A fictitious element Z has an average atomic mass of 223.67 u.223.67 u. Element Z has two naturally…

A: Given: Atomic mass of element Z = 223.67 u There are only 2 naturally occurring isotopes of element…

Q: Three stable isotopes of Wolfgangium Wf - 256 has a mass of 255.758 amu and abundance of 0.25000,…

A: Given: Mass of Wf-256 = 255.758 amu. Abundance of Wf-256 = 0.25000. Mass of Wf-258 = 257.742 amu.…

Q: Naturally occurring neon exists as three isotopes. 90.51% is Ne-20 with a mass of 19.99 amu, 0.27%…

A: Given: There are three naturally occurring isotope of Neon. Mass of isotope 1 = 19.99 amu. Abundance…

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: 1. The element X has three naturally occurring isotopes, 24X, 25X, and 2%X. Isotope 24X Isotopic…

A: According to Q&A guidelines of Bartleby, I am allowed to answer only the first question out of…