Description : What is a protons relative size?
Last Answer : Need answer
Description : Which nuclides having the same number of neutrons but different number of protons or mass number? -Do You Know?
Last Answer : answer:
Description : How do the numbers of protons, number of neutrons, and the mass number related?
Last Answer : mass no. = no. of protons + no. of neutrons
Description : What about the nuclei whose protons are not equal but their mass is equal ?
Last Answer : All atoms that have the same mass but different atomic numbers are called isobars. E.g. 4018Ar and 4019Ca ; Here both argon and calcium have a mass of 40 but the atomic number is 18 and 19 , respectively.
Description : What is the number of protons in the nucleus equal but not equal in mass ?
Last Answer : Nuclei that have the same number of protons but not the same mass are called isotopes.
Description : It is known that an atom contains protons, neutrons and almost electrons. If the mass of neutron is assumed to half of its original value where as tha
Last Answer : It is known that an atom contains protons, neutrons and almost electrons. If the mass of neutron is assumed to ... C. `14.28%`more D. `28.5%` less
Description : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectivel
Last Answer : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons ... C. 29 , 34 ,29 D. 29 , 29 , 29
Description : What is the mass number of a helium atom that has 2 protons and 2 neutrons?
Description : Why is the atomic mass of an element is usually not given as a whole number even though each individual atom of the element has a whole number of protons and neutrons.?
Last Answer : It's the electrons that throw it off.
Description : If an atom has 11 protons 12 neutrons and 11 electrons what is the identify of the element and it's mass number?
Last Answer : The mass number is 23; the element is sodium (Na-23).
Description : How many protons and neutrons are in the nucleus of isotope with mass of 68.926?
Last Answer : p,n =31,38P=31 (from Periodic Table)N= 68.926-31=37.926
Description : If the sodium atom contains 11 electrons 11 protons and 12 neutrons what is the mass number of sodium?
Last Answer : Feel Free to Answer
Description : If you have 3 protons 2 neutrons and 3 electrons then the mass number is?
Last Answer : The mass number is 5. The mass number is the sum of protons and neutrons in an atomic nucleus. This represents the isotope lithium-5, which actually does not exist. The two isotopes of lithium are lithium-6 (5%) and lithium-7 (95%).
Description : what is the mass of an atom with 5 protons and 7 neutrons?
Last Answer : To the find the mass number of an atom you add the protons and neutrons. Meaning that the mass number of this atom is 12.
Description : What is the mass of an element with 15 protons, 13 electrons, and 11 neutrons?
Last Answer : oh actually i know the answer
Description : An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is?
Last Answer : Mass number = proton number + neutron number SO, Mass number(Aluminium) = 13+ 14 =27
Description : The mass number of an atom is equal to (a) The number of protons (b) The number of protons and electrons (c) The number of nucleons (d) The number of neutrons
Last Answer : Ans:(c)
Description : The mass number of a nucleus is (a) Always less than its atomic number (b) The sum of the number of protons and neutrons present in the nucleus (c) Always more than the atomic weight (d) A fraction
Last Answer : Ans:(b)
Description : The mass number of a nucleus is - (1) always less than its atomic number (2) the sum of the number of protons and neutrons present in the nucleus (3) always more than the atomic weight (4) a fraction
Last Answer : (2) the sum of the number of protons and neutrons present in the nucleus
Description : An atom of an element with mass number 23 and atomic number 11 will have- (1) 11 neutrons, 12 protons and 11 electrons (2) 11 protons, 12 neutrons and 11 electrons (3) 11 protons, 12 electrons and 11 neutrons (4) 23 protons and 11 electrons
Last Answer : (2) 11 protons, 12 neutrons and 11 electrons
Description : In an atomic explosion enormous energy is released which is due to the - (1) Conversions of neutrons into protons (2) Conversion of chemical energy into nuclear energy (3) Conversion of mechanical energy into nuclear energy (4) Conversion of mass into energy
Last Answer : (4) Conversion of mass into energy
Description : The enormous amount of energy released in an explosion of an atomic bomb is due to the - (1) conversion of mass into energy (2) conversion of chemical energy into heat energy (3) conversion of mechnical energy into nuclear energy (4) conversion of neutrons into protons
Last Answer : (4) conversion of neutrons into protons Explanation: The enormous amount of energy released in an explosion of an atomic bomb is due to the converson of neutrons into protons. When, a neutron strikes ... , each of which is a nucleus with about half the protons and neutrons of the original nucleus.
Description : Which nuclides having the same number of neutrons but different number of protons or mass number?
Last Answer : Isotones
Description : The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is (A) 1 (B) 0.5 (C) 2 (D) 4
Last Answer : (A) 1
Description : The mass number of an element is equal to the number of __________ in the nucleus. (A) Electrons (B) Neutrons (C) Protons (D) Neutrons plus protons (i.e., nucleons)
Last Answer : (D) Neutrons plus protons (i.e., nucleons)
Description : Pick out the wrong statement. (A) Atoms with same number of nucleons but different number of protons are called isobars (B) Atoms with same number of protons but different number of nucleons are ... product formed by emission of α-particle has mass number less by 4 units than the parent nuclide
Last Answer : (B) Atoms with same number of protons but different number of nucleons are called isoters
Description : In the equation of a nuclear reaction, all but one of the following quantities are equal to each other on both sides of the equation. Which quantity is NOT conserved: w) the net electric charge x) the total mass-energy y) the number of protons z) the number of nucleons
Last Answer : ANSWER: Y -- THE NUMBER OF PROTONS
Description : The binding energy of a nucleus is defined as one of the following. Is this definition: w) the energy equivalent to its mass x) the mass difference between its neutrons and protons y) the energy ... the difference between the mass of the nucleus and the sum of the masses of its protons and neutrons
Last Answer : ANSWER: Z -- THE DIFFERENCE BETWEEN THE MASS OF THE NUCLEUS AND THE UM
Description : The enormous amount of energy released in an explosion of an atmoic bomb is due to the (1) conversion of mass into energy (2) conversion of chemical energy into heat energy (3) conversion of mechnical energy into nuclear energy (4) conversion of neutrons into protons
Last Answer : conversion of neutrons into protons
Description : The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? (1) 6 (2) 12 (3) 18 (4) Zero
Last Answer : 6
Description : What is the relative atomic mass of scandium ?
Last Answer : The relative atomic mass of scandium is 45 .
Description : What is the relative atomic mass of calcium ?
Last Answer : The relative atomic mass of calcium is 40 .
Description : What is the relative atomic mass of potassium ?
Last Answer : : Atomic mass relative to potassium 39 .
Description : What is the relative atomic mass of argon ?
Last Answer : The relative atomic mass of argon is 40 .
Description : What is the relative atomic mass of chlorine ?
Last Answer : The relative atomic mass of chlorine is 35 .
Description : What is the relative atomic mass of sulfur ?
Last Answer : The relative atomic mass of sulfur is 32 .
Description : What is the relative atomic mass of phosphorus ?
Last Answer : The relative atomic mass of phosphorus is 30 .
Description : What is the relative atomic mass of silicon ?
Last Answer : Relative atomic mass of silicon 28 .
Description : What is the relative atomic mass of aluminum ?
Last Answer : Relative atomic mass of aluminum 27 .
Description : What is the relative atomic mass of magnesium ?
Last Answer : The relative atomic mass of magnesium is 24 .
Description : What is the relative atomic mass of sodium ?
Last Answer : Relative atomic mass of sodium 23 .
Description : What is the relative atomic mass of neon ?
Last Answer : Relative atomic mass of neon 20 .
Description : What is the relative atomic mass of fluorine ?
Last Answer : The relative atomic mass of fluorine is 19 .
Description : What is the relative atomic mass of oxygen ?
Last Answer : Relative atomic mass of oxygen 16 .
Description : What is the relative atomic mass of nitrogen ?
Last Answer : Relative atomic mass of nitrogen 14 .
Description : What is the relative atomic mass of carbon ?
Last Answer : Relative atomic mass of carbon 12 .
Description : What is the relative atomic mass of beryllium ?
Last Answer : : Relative atomic mass of beryllium 9 .
Description : What is the relative atomic mass of lithium ?
Last Answer : The relative atomic mass of lithium is seven.
Description : What is the relative atomic mass of helium ?
Last Answer : The relative atomic mass of helium is four.