Atomic o Mass Number of Name uon lo Symbol Number Neutrons W. Number 8. 2raon ls. 1sd: bozogorq 10 6 ros 20

Q: 5. Which of the following information can be determined from this isotope: sodium 23 L # of protons…

A: The isotope given is Sodium-23. Since the element is mentioned as sodium. Hence the atomic number of…

Q: Naturally occurring Metal with average atomic mass 79.7231 consists of two isotopes: 79M with mass…

A:

Q: 13. Mg has three stable isotopes. Given a sample of Mg with the following m. percent abundances:…

A: Average atomic mass = ?

Q: is not used to make Portland Cement a Calcareous Rocks b. Argillaceous Rocks c. Siliceous d. Sands…

A: 1.  B option is correct. CO2 Carbon dioxide is emitted as a by-product of clinker production, an…

Q: What is considered to be the molar mass? O the mass, in grams, of one mole of elements of a single…

A: Option 1st will be correct.

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: 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: A = 45, with 24 neutrons Express your answer as a chemical symbol. 2 ΑΣΦ Submit 4 C A chemical…

A: Given,  The mass number of an atom A = 45 and  number of neutrons = 24. The chemical symbol of an…

Q: 34. How many protons, electrons and net does Be have? beryllum 4 Ве 9.0122

A:

Q: Isotope name Oxygen-18 Sodium-24 protons 8. 35 55.5 3207 S to 29 neutrons 46 electrons 35 29 26 Fe…

A:

Q: There are electrons and +2 neutrons in the ion of Cd Atomic number: 48 Mass number : 112 O A. 46, 48…

A: Given ion,    Cd2+ ion    Mass number = 112    Atomic number = 48

Q: 1)the chemical symbol found on the periodic table is ?  2) the number of protons for the product is…

A: 1.Now we know that the number must be same on both the product as well as the reactant Side and we…

Q: 4. Complete the following table. Symbo # 206pb Mn²+ Net Protons Neutrons Electrons Charg le 31 52 38…

A: Here we are required to find the number of subatomic particle of different element

Q: 10. What is the mass number of a helium atom that has two protons and two neutrons?

A:

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: 1. Atomic Structure. 106 a) 46 Pd*2 b) 232 92 U

A:

Q: (1) The radioactive isotope strontium-81 is used in medical imaging as indicated on the table above.…

A: We have unstable nuclide Strontium-81, which undergoes radioactive decay. We need to discuss the…

Q: For each atom described, list the number of electrons, protons and neutrons. a. Neutral Ne 1910 b.…

A:

Q: 2. The isotope of iodine with a mass number 131 is often used in medicine as a radioactive tracer.…

A: We know that, Number of proton= Atomic number=no. of electron (when no any charge present) no. of…

Q: lectrons-Neutrons.pdf + 107% Element/ Atomic Mass Number Ion Number Atomic Mass Protons Neutrons…

A: The complete table for the above question is given below :

Q: 132xe. 54

A: ->Atomic number = number of proton  -> number of proton = number of electrons (for neutral…

Q: An isotope of iron has a positive charge of 2 and 24 neutrons. How many electrons does it have? a.…

A: They have the same atomic number and position in the periodic table, but differ in nucleon numbers…

Q: An unknown element X has the following isotopes: ⁵²X (90.00% abundant), ⁴⁹X (8.00% abundant), ⁵⁰X…

A: The approximate atomic mass of element x is calculated as,

Q: Symbol 35 Cl Protons 26 50 Neutrons 30 66 Electrons 49 86 Mass no. 222 119

A:

Q: Part A Once you have filled in all the gaps on a separate sheet of paper, enter the four missing…

A:

Q: Lithium has two stable isotopes: Lithium-6 and Lithium-7. Which isotope is the most abundant of the…

A: The different variants of a particular element, that are differed by the number of neutrons. In…

Q: 3. which description most accurately describes neptium -239? a. mass number=93, atomic number=239 b.…

A:

Q: 13. Which of the following are isotopes? a. P3- and Ar b. 1251 and 127| c. O and O2- d. Na* and K*…

A: b) 125I and 127I

Q: 37. The ion $$Mn ² contains which combination of protons. neutrons and electrons? ITTT Protons 25…

A: Given ion is, 55Mn-2  where 55 is mass number of ion . Mass number is sum of proton and neutrons.…

Q: which of the following has the highest mass 1 mol sr, 1mol Ag, 1 mol Zn.or 1 mol Cu?

A: Definition of a Mole:A mole is a unit in chemistry used to measure the amount of a substance. One…

Q: MCQ 1: The smallest particle of an element which can take part in any chemical change is known as…

A: In any chemical reaction or chemical change atoms participate in a chemical reaction.  Since nucleus…

Q: Atomic structure and Mass r which iso to pee in each pair contains mone neutrons? a chlorine - 35 or…

A: In any element, the number of neutrons is given by, Number of neutrons = Mass number - Number of…

Q: 1. Complete the table Isotope Mass (amu) Relative Abundance (%) Silicon- 28 27.97693 92.21 Silicon-…

A: For this problem We have to complete the given table based on abundance of isotopes.

Q: 30. How many protons are there in Po-209? a. 84 b. 125 С. 123 d. 209 31. How many protons are there…

A: * Mass number of element =  Number of protons + Number of neutrons * Atomic number = number of…

Q: An atom of 131 I contains ________ protons.

A: An atom = 131I  Number of protons = ?

Q: a. How many protons are in the nucleus of the isotopeIn-115?b. How many neutrons are in the nucleus…

A: a. How many protons are in the nucleus of the isotope In-115? b. How many neutrons are in the…

Q: Strontium naturally exists as 4 stable isotopes with masses of 84, 86, 87, and 88. Which statement…

A: Elements exist in different isotopic forms and each form has its own abundance.

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

A:

Q: calculate the charge of each particle'' Pb(CrO4)2

A: Given Pb(CrO4)2 To find  The individual charges of each element in the given formula.

Q: 410 186 412Z X 410 183 Y 186 Which two are isotopes? A. X and Y B. X and R C. Y and R D. Z and R E.…

A:

Q: Isotopes (IMPORTANT NOTE: X= Symbol, A=mass number, Z = atomic number) Name Cobalt # of number…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first three parts…

Q: 13) Fill in the blanks to complete Table 2. (A = mass number) (4 points)W.A3W2MA TROH2 %3D oidesup…

A: In a neutral atom, the Number of electrons= No. of protons Atomic number (Z)= number of protons (p)…

Q: Give the complete symbol (X), including atomic number and mass number, of a. a manganese atom with…

A: The general method to write the symbol of an element is given as shown below. XZA Here, A is the…

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.