Multiple ChoiceWhich of the following answers give the correct number of subatomic particles for ?1021views11rank
Multiple ChoiceWhich of the following answers give the correct number of subatomic particles for ?908views7rank
Textbook QuestionIndicate the number of protons and neutrons in the following nuclei: (b) 193Tl.664views
Textbook QuestionIndicate the number of protons and neutrons in the following nuclei: (c) neptunium-237.534views
Textbook QuestionConsider an atom of 32P. (d) Are either of the atoms obtained in parts (b) and (c) isotopes of 32P? If so which one?330views
Textbook QuestionConsider an atom of 58Ni. (c) What is the symbol for the isotope of 58Ni that possesses 33 neutrons?625views
Textbook Question(a) Which two of the following are isotopes of the same element: 10646X, 10746X, 10747X?1618views
Textbook QuestionWrite the correct symbol, with both superscript and subscript, for each of the following. (d) the isotope of calcium that has an equal number of protons and neutrons.523views
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 mercury with mass number 201873views
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 hafnium that contains 106 neutrons766views
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) 415views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. d. the hydrogen isotope with one neutron989views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. c. the uranium isotope with 146 neutrons1194views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. b. the silver isotope with 62 neutrons486views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. a. the silver isotope with 60 neutrons487views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. c. the potassium isotope with 21 neutrons630views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. b. the copper isotope with 36 neutrons1819views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. a. the copper isotope with 34 neutrons506views
Textbook QuestionDetermine the number of protons and the number of neutrons in each isotope. d. 208 82Pb464views1rank
Textbook QuestionDetermine the number of protons and the number of neutrons in each isotope. a. 14 7N872views1rank
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 15P607views1comments
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.239views
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)?808views
Textbook QuestionThe natural abundance of 3He is 0.000137%. (a) How many protons, neutrons, and electrons are in an atom of 3He?738views
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.1744views
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?608views
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.694views
Textbook QuestionWrite symbols for the following isotopes: (a) Z = 58 and A = 140 (b) Z = 27 and A = 601266views
Textbook QuestionNuclei with the same number of neutrons but different mass numbers are called isotones. Write the symbols of four isotones of 236Th.1460views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (d)375views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (c)383views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (b)304views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (a)250views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (d)256views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (c)323views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (b)255views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (a)300views
Textbook QuestionFluorine occurs naturally as a single isotope. How many protons, neutrons, and electrons are present in deuterium fluoride (2HF)? (Deuterium is 2H.)964views
Open QuestionWhich of these refers to atoms with the same atomic number but different atomic masses?121views
Open QuestionThe atomic number of fluorine is 9 and its atomic mass is 19. How many neutrons does fluorine have?199views
Open QuestionOne isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?144views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 131I (iodine-131)?119views
Open QuestionTwo isotopes of the same element will have the same number of _____ but a different number of ____.118views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 30P (phosphorus-30)?123views
Open QuestionAn isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?131views
Open QuestionThe superscript preceding each hydrogen atomic symbol (H) represents which of the following?124views
Open QuestionCan two atoms with the same mass number ever be isotopes of each other? Explain.102views