Multiple ChoiceWhich of the following answers give the correct number of subatomic particles for ?1151views14rank
Multiple ChoiceWhich of the following answers give the correct number of subatomic particles for ?1024views8rank
Textbook QuestionIndicate the number of protons and neutrons in the following nuclei: (b) 193Tl.710views
Textbook QuestionIndicate the number of protons and neutrons in the following nuclei: (c) neptunium-237.572views
Textbook QuestionConsider an atom of 10B. (d) Are either of the atoms obtained in parts (b) and (c) isotopes of 10B? If so which one?373views
Textbook QuestionConsider an atom of 63Cu. (c) What is the symbol for the isotope of 63Cu that possesses 36 neutrons?673views
Textbook Question(a) Which two of the following are isotopes of the same element: 3116X, 3115X, 3216X?1705views
Textbook QuestionWrite the correct symbol, with both superscript and subscript, for each of the following. (d) the isotope of magnesium that has an equal number of protons and neutrons.554views
Textbook QuestionWrite the correct symbol, with both superscript and subscript, for each of the following. Use the list of elements in the front inside cover as needed: (b) the isotope of krypton with mass number 84976views
Textbook QuestionWrite the correct symbol, with both superscript and subscript, for each of the following. Use the list of elements in the front inside cover as needed: (a) the isotope of platinum that contains 118 neutrons814views
Textbook QuestionIn the following drawings, red spheres represent protons, and blue spheres represent neutrons. Which of the draw-ings represent different isotopes of the same element, and which represents a different element altogether? (a) (b) (c) 472views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. d. the hydrogen isotope with one neutron1099views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. c. the uranium isotope with 146 neutrons1365views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. b. the silver isotope with 62 neutrons549views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. a. the silver isotope with 60 neutrons537views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. c. the potassium isotope with 21 neutrons703views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. b. the copper isotope with 36 neutrons2102views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. a. the copper isotope with 34 neutrons595views
Textbook QuestionDetermine the number of protons and the number of neutrons in each isotope. d. 208 82Pb511views1rank
Textbook QuestionDetermine the number of protons and the number of neutrons in each isotope. a. 14 7N999views1rank
Textbook QuestionDetermine the number of protons and the number of neutrons in each isotope. a. 40 19K b. 226 88Ra c. 99 43Tc d. 33 15P675views1comments
Textbook QuestionThe table to the right gives the number of protons (p) and neutrons (n) for four isotopes. (a) Write the symbol for each of the isotopes.274views
Textbook QuestionThe natural abundance of 3He is 0.000137%. (b) Based on the sum of the masses of their subatomic particles, which is expected to be more massive, an atom of 3He or an atom of 3H (which is also called tritium)?906views
Textbook QuestionThe natural abundance of 3He is 0.000137%. (a) How many protons, neutrons, and electrons are in an atom of 3He?805views
Textbook QuestionThe element argon has three naturally occurring isotopes, with 18, 20, and 22 neutrons in the nucleus, respectively. (a) Write the full chemical symbols for these three isotopes.1890views
Textbook QuestionThe first atoms of seaborgium (Sg) were identified in 1974. The longest-lived isotope of Sg has a mass number of 266. (a) How many protons, electrons, and neutrons are in an 266Sg atom?665views
Textbook QuestionThe radioactive isotope cesium-137 was produced in large amounts in fallout from the 1985 nuclear power plant disas-ter at Chernobyl, Ukraine. Write the symbol for this isotope in standard format.763views
Textbook QuestionWrite symbols for the following isotopes: (a) Z = 58 and A = 140 (b) Z = 27 and A = 601451views
Textbook QuestionNuclei with the same number of neutrons but different mass numbers are called isotones. Write the symbols of four isotones of 236Th.1589views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (d)419views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (c)432views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (b)342views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (a)288views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (d)289views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (c)371views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (b)283views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (a)345views
Textbook QuestionFluorine occurs naturally as a single isotope. How many protons, neutrons, and electrons are present in deuterium fluoride (2HF)? (Deuterium is 2H.)1064views
Open QuestionWhich of these refers to atoms with the same atomic number but different atomic masses?163views
Open QuestionThe atomic number of fluorine is 9 and its atomic mass is 19. How many neutrons does fluorine have?256views
Open QuestionOne isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?181views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 131I (iodine-131)?172views
Open QuestionTwo isotopes of the same element will have the same number of _____ but a different number of ____.147views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 30P (phosphorus-30)?158views
Open QuestionAn isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?190views
Open QuestionThe superscript preceding each hydrogen atomic symbol (H) represents which of the following?164views
Open QuestionCan two atoms with the same mass number ever be isotopes of each other? Explain.126views