Multiple ChoiceWhich of the following answers give the correct number of subatomic particles for ?1139views13rank
Multiple ChoiceWhich of the following answers give the correct number of subatomic particles for ?1016views7rank
Textbook QuestionIndicate the number of protons and neutrons in the following nuclei: (b) 193Tl.708views
Textbook QuestionIndicate the number of protons and neutrons in the following nuclei: (c) neptunium-237.569views
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?366views
Textbook QuestionConsider an atom of 63Cu. (c) What is the symbol for the isotope of 63Cu that possesses 36 neutrons?668views
Textbook Question(a) Which two of the following are isotopes of the same element: 3116X, 3115X, 3216X?1698views
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.549views
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 84969views
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 neutrons809views
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) 469views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. d. the hydrogen isotope with one neutron1090views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. c. the uranium isotope with 146 neutrons1357views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. b. the silver isotope with 62 neutrons545views
Textbook QuestionWrite isotopic symbols in the form X-A (e.g., C-13) for each isotope. a. the silver isotope with 60 neutrons532views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. c. the potassium isotope with 21 neutrons698views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. b. the copper isotope with 36 neutrons2087views
Textbook QuestionWrite isotopic symbols in the form AZX for each isotope. a. the copper isotope with 34 neutrons590views
Textbook QuestionDetermine the number of protons and the number of neutrons in each isotope. d. 208 82Pb507views1rank
Textbook QuestionDetermine the number of protons and the number of neutrons in each isotope. a. 14 7N991views1rank
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 15P670views1comments
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.268views
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)?900views
Textbook QuestionThe natural abundance of 3He is 0.000137%. (a) How many protons, neutrons, and electrons are in an atom of 3He?796views
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.1871views
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?660views
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.755views
Textbook QuestionWrite symbols for the following isotopes: (a) Z = 58 and A = 140 (b) Z = 27 and A = 601440views
Textbook QuestionNuclei with the same number of neutrons but different mass numbers are called isotones. Write the symbols of four isotones of 236Th.1577views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (d)416views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (c)430views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (b)338views
Textbook QuestionHow many protons, neutrons, and electrons are in each of the following atoms? (a)285views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (d)283views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (c)367views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (b)281views
Textbook QuestionHow many protons and neutrons are in the nucleus of the following atoms? (a)342views
Textbook QuestionFluorine occurs naturally as a single isotope. How many protons, neutrons, and electrons are present in deuterium fluoride (2HF)? (Deuterium is 2H.)1057views
Open QuestionWhich of these refers to atoms with the same atomic number but different atomic masses?157views
Open QuestionThe atomic number of fluorine is 9 and its atomic mass is 19. How many neutrons does fluorine have?245views
Open QuestionOne isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?178views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 131I (iodine-131)?166views
Open QuestionTwo isotopes of the same element will have the same number of _____ but a different number of ____.144views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 30P (phosphorus-30)?154views
Open QuestionAn isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?185views
Open QuestionThe superscript preceding each hydrogen atomic symbol (H) represents which of the following?160views
Open QuestionCan two atoms with the same mass number ever be isotopes of each other? Explain.124views