In neutron logging the atomic particles called neutrons from sonde are sent through the formation. On collision of neutron with hydrogen, the hydrogen slows them down. When detector records slow neutrons, it means no hydrogen is present.   a. True   b. False

Q: • Part D Based on your answer in Part B, how many neutrons are in this amount of C? Express your…

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Q: Describe the forces acting on the particles within a nucleus and explain whyneutrons are the glue…

A: The forces acting on the particles within a nucleus and the reason why neutrons are the glue holding…

Q: [Review Topics] [Relo Use the References to access important values If needed for this ouestton A…

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Q: One way in which Earth’s evolution as a planet can be understood is by measuring the amounts of…

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Q: Atomic mass of aluminum is 27. Accordingly, which of the following statements is wrong? O A) The…

A: Molar mass of Al is 27 g  1 gram atom of Al is 27 g  Mass of Al is 27/12 times of the C  Atomic mass…

Q: Question attached

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

Q: Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to…

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Q: What came first? protons neutral Atoms or nuclei? which came second?

A: Given What came first? protons neutral Atoms or nuclei? which came second?

Q: Reference section 3.2 to find the atomic masses of 12C and 13C, the relative abundance of 12C and…

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Q: A mixture of 130.5 g of P and 134.8 g of O, reacts completely to form P¸O, and PO10. Find the masses…

A: Given - Grams of P = 130.5 g Grams of O = 134.8 g This means that 8 moles of P reacts with 8 moles…

Q: mat Tools Add-ons Help Last edit was 8 minutes ago ormal text Trebuchet . IUA 12 %3D 5) How many…

A: GivenFor question 5Mass of N = 10.5 gFor question 6Number of atom of nickel = 6.6 x 1017

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: One atom of an unknown element has a mass of6.66 × 1 0 -23 g. What is the identity of this element?

A: Molar mass is the mass of Avogadro's number (6.022×1023) atoms.

Q: 5. Boron exists as two isotopes, Boron-10 and Boron-11. The average atomic mass for boron on found…

A: Isotopes are the chemical species having same atomic number but different mass number. Isotopes of…

Q: H.W.: 1. Calculate the number of grams in one mole of CaSO,7H2O? (Atomic weight Ca-40 S-32 O-16…

A: Given Number of mole = 1 mole  Molar mass of CaSO4.7H2O  = 262 gm/mole  mass = ?

Q: - Part C What is the symbol for the isotope of 55 Fe that possesses 31 neutrons? Express your answer…

A: Isotopes are defined as same element having same number of proton but different number of neutron in…

Q: Mass Isotope from the list, and answer the following questions for each term: What familiarity and…

A: The two given terms are  Mass Isotope Dear student since it is a multiple subparts questions,…

Q: Heading 1 + BIUA Go D Russo One 30 Element: Ytterbium Number of Number of Neutrons Name of isotope…

A: Fill in the blanks and calculate average atomic mass of given isotope ?

Q: Which of the following contains the highest number of atoms? A) 1 mole of helium B) 1 mole of carbon…

A: 1 mole = 6.022×1023 = Avogadro's number Anything which is present in the number of 6.022×1023 is…

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

A: 195Pt+2 Mass Number = 195  Charge = +2  Number of electrons = ? Number of neutrons = ?

Q: hydrogen-2 hydrogen-3 phosphorous-32 p* = p* = p* = e = e = e = n° = n° = n° = uranium-238…

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Q: How would you determine the accuracy of an atomic mass?

A: The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of…

Q: 1. Pereent abundance A. Calculate the average Mass of Ni'? 1 100 60 (242351 20 (10%) 38 62 64…

A: A question based on atomic structure, which is to be accomplished.

Q: Suppose that a person counts out gold atoms at the rate of one each second for the entire span of an…

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Q: Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

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Q: I want to know at least some reason why the mass of the Mgo formed could be lower that expected

A: Interpretation -  To tell about a reason why the mass of the MgO formed could be lower that expected…

Q: Express your answer as a chemical equation?

A: From the figures we can see that Lavender spheres (A) are nothing but an isolated atom and tan…

Q: Match terms with their definitions v Avogardo's number v Molar mass v mole v Atomic mass A. mass of…

A: The mole concept was proposed by Avogadro to specify the atoms, molecules, and ions concentration.…

Q: 5) Find the mass of 0.02 moles of K,Cr,O,. 7'

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Q: If a different nail is coated with a 0.053 cm thick layer of zinc and the surface area of the nail…

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Q: Natural rubidium has the average mass of 85.4678 u and is composed of isotopes85Rb (mass = 84.9117…

A: Mass of the Rb = 86.913 amu. Given data: 85.4678 amu is average mass of the Rb Mass of 85Rb =…

Q: A sample of a compound synthesized and purified in thelaboratory contains 25.0 g hafnium and 31.5 g…

A: GIVEN: Mass of Hafnium = 25.0 g Mass of tellurium=  31.5 g Mass of Hafnium present in the sample…

Q: True or False: A mass spectrum is normally considereda specific means for identifying a chemical…

A: Mass spectrometry is one of the important analytical technique used in organic chemistry. In this…

Q: The pencil's "lead" main element is:  a. C b. Sn c. Ld d. Pb

A: The main element used in the pencil lead is graphite. It is not lead( Pb) but it is named as lead…

Q: 16 53 25 S Mn Iodine 32.06 126.905 54.938 Atomic # = Atomic # = Atomic # = Atomic Mass = Atomic Mass…

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Q: This is a lab question, referring to zinc and iodine reacting to form zinc iodide.  If at the end…

A: Law of conservation of mass: The mass of products is equal to mass of reactants throughtout the…

Q: 41) A teenage child in Wisconsin throws a chunk of sodium metal into a lake consisting of freshwater…

A: Given: mass of sodium = atomic number of fluorine = 9 kg = 9000 g density of water = 1.01 g/mL…

Q: Fusion is cool, small things come together and make bigger things. For example, if two carbon-12's…

A: Atomic No. of carbon is :- 6 Mass of C-12 carbon is :- 12 Atomic no. Silicone is :- 14 Mass  of…

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 120.9038 amu and a relative…

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Q: 1. Ammonia can be decomposed to give nitrogen and hydrogen in a mass ratio of 4.67:1.00. If the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2.A student says,“A carbon atom is not the smallest possible amount of carbon, because atoms are…

A: Atoms are made up of smaller particles like electrons, protons and neutrons. Similarly, a carbon…

Q: the isotope Si-28 has a mass of 27.977amu .Calculate the number of moles in 14 grams of Si-28

A: We will use the formula to calculate number of mole Number of moles = Weight (g) / Molar mass Molar…

Q: A sample of Si weighs 54.8 grams. Will a sample of Ba that contains the same number of atoms weigh…

A: Answer: Since, 1 mole is always equal to 6.022×1023, therefore same number of atoms will always be…

Q: Calculate the molar mass (M_m) of NaI in grams (calculate 1st the atomic mass, m_at ( you can use…

A: The given compound is NaI (Sodium iodide).

Q: Natural rubidium has the average mass of 85.4678 u and is composed of isotopes85 Rb (mass = 84.9117…

A: Mass of the Rb = 86.913 amu. Given data: 85.4678 amu is average mass of the Rb Mass of 85Rb =…

Q: 16. While cleaning your attic, you find your old mass of 11.3 collection? and the rest of mass of 82…

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Q: 100% Normal text Oxygen 12 ... 3. The atomic masses of elements are generally not whole numbers.…

A: Concept is based on isotopes:     As per our guideline we have to answer first question only.

Q: Determine which statements are consistent with Dalton's atomic theory. Inconsistent Consistent…

A: Given statements: Atoms of the same element have identical properties; atoms of the different…

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.