Q: By definition, all atoms of carbon have exactly 6 _________, but the number of _________ varies from…
A: Carbon is an element in periodic table. It has the atomic number of 6. Carbon is a nonmetal with…
Q: • Part D Based on your answer in Part B, how many neutrons are in this amount of C? Express your…
A:
Q: 72 For the elemental symbol Ge, how many neutrons are present?
A: We are given G3272e mass number=72 Atomic number=32 atomic number = number of proton=32
Q: What are isotopes and how are they related to the atomic weight?
A: Isotopes are the compounds with same atomic number but different mass number. They have same number…
Q: 5. In a chemical formula, which element is listed first?
A: In a chemical formula, which element has to be listed first has to be given.
Q: What is the symbol of another isotope of strontium with 51 neutrons?
A: Isotopes of an element have same number of protons with different number of neutrons in the nucleus.…
Q: How many protons neutrons and electrons are present in a single atom of osmium - 190?
A: Since the Atomic number of Osmium = 76 Hence number of electrons = Atomic number = 76
Q: (i) What is the mass of a neutron? (ii) What is the charge of a neutron?
A: Neutron is a subatomic particle as like proton. It is found in the nucleus along with proton and it…
Q: Calculate the precise mass of each ion to five significant figures. Unless otherwise indicated, use…
A: The mass of the ion is calculated by adding all the atomic masses of the elements present in the…
Q: Q the number of protons in the nucleus of an atom is 8, while the number of neutrons in the nucleus…
A: zXA where X = Element Z = atomic number = no. of protons A = Mass number and A = p + n p =…
Q: Which symbol represents the atom having 28 protons and 34 neutrons in its nucleus?
A: Atomic number: The atomic number (represented by the letter Z) of an element is the number of…
Q: Americium-241 is a radioactive isotope that is used inhigh-precision gas and smoke detectors. How…
A: An atom is primarily made up of subatomic particles like electron, proton and neutron. Electrons are…
Q: An ion with six protons, seven neutron and a charge of 2 + has an atomic number of?
A: Given :- Number of protons = 6 Number of netrons = 7 Charge = +2 (which means loss of 2 electrons…
Q: How many protons and neutrons are in the naturally-occuring isotope Selenium-80? How do I solve…
A: Atomic number (Z) is defined as number of protons present in an atom. In a neutral atom number of…
Q: The amount of carbon-14 in ancient artifacts and fossils is often used to establish their age.…
A: Given, the amount of Carbon-14 in ancient artifacts and fossils is often used to establish their…
Q: A helium nucleus has two protons and two neutrons. How many electrons does it take to equal the mass…
A:
Q: An isotope of mercury has 80 protons and 120neutrons. What is the mass number of this isotope?
A: The atom consists of 3 subatomic particles: Protons: They are positively charged particles present…
Q: What particles are found in the nucleus of an atom? What is the charge of the nucleus?
A: Sub-atomic particles are the particles that are present inside the atom. Three sub-atomic particles…
Q: Chlorine has two abundant isotopes, Chlorine-35 and Chlorine-37. How many protons and neutrons are…
A:
Q: An element has three naturally occurring isotopes. What other information must you know in order to…
A: Natural abundance and mass number of atoms of an element are required for calculation of atomic mass…
Q: Iodine has a mass number of 127 and 53 protons, how many neutrons does it have?
A:
Q: Two radioactive isotopes of iodine used for the diagnosis and treatment of thyroid disease have mass…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: What is the mass number (A) of an iron atom that has 31 neutrons?
A: Mass number is equal to the sum of the number of protons and the number of neutrons.
Q: The number of neutrons in the nucleus of the isotope 22Na is
A: The number of neutrons
Q: Two isotopes of boron occur naturally, with B at 19.90 % (10.01 amu) and B at 80.10 % (11.01 amu). ▼…
A: We knew that the avarage weight of any element is equal to avarage weights of all naturally…
Q: Boron has two possible isotopes. Based on the average atomic mass on the Periodic Table (10.81 amu),…
A: Boron is an inorganic element with atomic no. 5. It exists in two different isotopes, .e. Boron-10…
Q: Americium-241 is a radioactive isotope that is used in high-precision gas and smoke detectors. How…
A:
Q: Explain how the existence of isotopes is related to the fact that atomic masses are not whole…
A: Isotopes: Compounds that are having same atomic number but the different mass number is called…
Q: How would I determine the element given the following information: 1/85 mol of this atom would…
A: All atoms in periodic table get specified by their particular protons/electrons as well as neutrons…
Q: protons and neutrons since they both have a mass of 1 amu. Complete the table to show each…
A:
Q: has a mass about the same as that of a proton has a-1 charge is found in the nucleus is attracted to…
A:
Q: Where are particles with virtually no mass found in the atom? A. The electron cloud B. Inside the…
A: Ans A) The electron cloud .
Q: A certain isotope has a charge of +3 and has 33 protons and 42 neutrons in the nucleus. How many…
A: Consider the given information is as follows; Number of protons = 33 Number of neutrons = 42…
Q: In a sample of nitrogen, there is 99.63% N-14 atoms and 0.37% of N-15 atoms. What is the atomic mass…
A:
Q: With the concept of amu and isotopes, calculate the mass of CaCO₃. Refer the atomic masses of each…
A: One atomic mass unit is defined as a mass which is exactly equal to the 1/12th the mass of 1 C-12…
Q: What do you look at on the periodic table to determine the number of protons of a element
A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…
Q: A 11.65 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition…
A: Law of constant composition:It is also known as law of definite proportions. It states that a…
Q: Part A Determine the number of protons and neutrons in each of the following isotopes. Enter your…
A: Part B Given 87Fr223 To find number of protons Np and number of neutrons Nn .
Q: Part D Based on your answer in Part B, how many neutrons are in this amount of 13C? Express your…
A: Applying mole concept.
Q: 2. Add a neutron to the Carbon-12 nucleus. Observe how the mass number changes. Which particle(s)…
A: Atomic number of an atom = number of protons For a neutral atom :- No.of protons = number of…
Q: In complete sentence, describe the similarities and differences between: Different isotopes of an…
A: In a complete sentence, describe the similarities and differences between different isotopes of an…
Q: 13. Determine the number of neutrons for the following isotopes: A) Cr-53 Number of neutrons B) K-37…
A: First find out the atomic number for both elements and using that, find out number of neutrons in…
Q: An isotope of chlorine has 20 neutrons. •What is the mass number of the chlorine isotope? •How…
A: Atomic number = Number of protons = number of electrons Mass number = Number of protons + Number of…
Q: Q:) the number of protons in the nucleus of an atom is 8, while the number of neutrons in the…
A: An atom consist of 3 fundamental particles electron, proton and neutron. In a neutral atom number of…
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- 2-17 How does Dalton’s atomic theory explain: (a) the law of conservation of mass? (b) the law of constant composition?Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to gain an appreciation for just how small atoms are, we're going to calculate how many hydrogen atoms we can put around the perimeter of this piece of paper. 1. Consider a hydrogen atom with a radius of about 0.5 x 10-10 m. How many hydrogen atoms are required to . a. Fill up the longer side of the computer paper? b. Fill up the shorter side of the computer paper? c. Completely fill the perimeter of the computer paper?Why must atomic masses be weighted averages rather than conventional average values?
- 3) In a far away land and long ago, a series of experiments were carried out. Three samples of minerals where collected, and the sample were analyzed, and found to contain two elements kalium and pyron. . They use K for kalium and HO for pyron. Sample..... A (from a mine). . B (from a dry lake).. . .. C (from the foundation of a castle). 0.8729 Mass (g) g of Kalium g of Pyron 0.5236 0.2755 0.2481 0.6918 0.4770 0.2148 0.4592 0.4137 Use the Law of Conservation of Mass to determine if the data is worth using. sample A (froma mine) (g) 0. S236 sample B Cfrom O.6918 (9) o. 2755 + O 248TED Thus every sample has different vawes of the Same element, the mess of each sample is equal to the addifio of itscomponents, wich states that the mess of the procloct matches the mass of the' sample. dry lake) 9) a 0.4770 + 0.2148 Io sample c (frome fondatior ofecosfle O, 8729 0.4592 K+ 0.4137 30 Use the Law of Constant Composition to determine if any of the samples could be the same substance. Use the Law…Consider the element Ag (p=47, n=61) with a nuclear mass of 1.79124 x 10-22 g. (Given: mass of proton = 1.67262 x 10-24 g; mass of neutron = 1.67493 x 10-24 g) A. Calculate the total mass in grams if protons and neutrons combined to form the Ag nucleus. Total mass = x 10^ g (Express you answer in 6 sig fig, do not include the unit.) B. Calculate the mass defect in grams per mole of Ag nucleus. Mass defect = g (Express you answer in 4 sig fig, do not include the unit.) C. Calculate the binding energy in joule per mole of Ag nucleus. Binding energy =1. Using a deuteron beam, a sample of isotopically enriched fluorine is generated, consisting of 18F and 19F. Because this is not a natural sample, the average atomic mass on the periodic table cannot be used! Given the following abundances in the sample, calculate the new atomic mass (in amu) of the fluorine in the sample. Do not include units in your answer. Show work and upload that work to the final question of this quiz. 18F: 18.01 amu, 71.79% 19F: 19.008 amu, 28.21% 2. A 18.4 mg sample is made up of isotopically enhanced C6F14, using the same procedure described in the previous question. This chemical is used to carry oxygen to the lungs of severe burn victims, and doctors want to use the radioactive version to see if it moves from the lungs to other places in the body. Using the molar mass of fluorine that you calculated for this sample, determine how many moles of labeled fluorine are present in the sample.Express your answer in scientific notation without units. (Ex. 132.8…
- 2. Compute for the atomic mass of these isotopes. (Show your solution.) a. 160 (99.76%), 170 (0.04%), and 180 (0.20%) b. 32S (95.06%), 33S (0.74%), 34S (4.18%), and 36S (0.02%) c. 35C1 (75.53%), and 37C1 (24.47%)-22 A copper atom has a mass of 1.06 x 10 g and a penny has a mass of 2.5 g. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of copper atoms? Round your answer to 3 significant digits. How many moles of copper atoms have a mass equal to the mass of a penny? Round your answer to 2 significant digits. OD g 0 x10 X SBarium + water = ANSWER IN WORDS ONLY!!!
- Consider the element Ti (p=22, n=26) with a nuclear mass of 7.94869 x 10-23 g. (Given: mass of proton = 1.67262 x 10-24 g; mass of neutron = 1.67493 x 10-24 g) A. Calculate the total mass in grams if protons and neutrons combined to form the Ti nucleus. Total mass= x 10^ g (Express you answer in 6 sig fig, do not include the unit.) B. Calculate the mass defect in grams per mole of Ti nucleus. Mass defect= (Express you answer in 4 sig fig, do not include the unit.) Calculate the binding energy in joule per mole of Ti nucleus. Binding energy x 10^ (Express you answer in J using 2 sig fig, do not include the unit.)Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to gain an appreciation for just how small atoms are, we're going to calculate how many hydrogen atoms we can put around the perimeter of this piece of paper. 1 . What is the mass of hydrogen atoms in kg on the perimeter of the computer paper, considering the weight of a proton, electron, and neutron? a. The mass of a proton is 1.67262 x 10-27 kg, and the mass of an electron is 0.00091 x 10-27 kg.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 Å4.00×10−5 Å. Determine the fraction of the volume of the atom that is taken up by the nucleus. Assume the atom and the nucleus are a sphere. fraction of atomic volume: Calculate the density of a proton, given that the mass of a proton is 1.0073 amu1.0073 amu and the diameter of a proton is 1.71×10−15 m1.71×10−15 m. density: g/cm3