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 : The atomic number of an element is equal to the number of __________ present in its atom. (A) Neutrons (B) Electrons (C) Protons (D) Either (B) or (C)
Last Answer : (D) Either (B) or (C)
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 : 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 : 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 : Atomic number of an atom gives the number of which of the following? (1) electrons (2) protons (3) neutrons (4) neutrons and protons
Last Answer : (2) protons Explanation: Atomic number of a chemical element is the number of protons found in the nucleus of an atom of that element, and therefore identical to the charge number of the nucleus. ... periodic table. In an uncharged atom, the atomic number is also equal to the number of electrons.
Last Answer : (2) protons Explanation: The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom.
Description : Atomic weight of an atom is (A) sum of the number of protons and neutrons. (B) sum of the number of protons and electrons. (C) sum of the number of electrons and neutrons. (D) sum of the number of electrons, protons and neutrons.
Last Answer : (A) sum of the number of protons and neutrons.
Description : Atomic number of an atom gives the number of which of the following ? (1) electrons (2) protons (3) neutrons (4) neutrons and protons
Last Answer : protons
Description : An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is– (1) 17 (2) 19 (3) 36 (4) 53
Last Answer : (2) 19 Explanation: Mass Number = number of protons (atomic number) + nu.sriber of neutrons. So as per the question, 36= number of neutrons + 17. Number of neutrons= 36 -17= 19
Description : An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is (1) 17 (2) 19 (3) 36 (4) 53
Last Answer : 19
Description : (A) During `beta`-decay, a new element with atomic number greater than one is obtained. (R ) Protons and neutrons keep on changing into one another th
Last Answer : (A) During `beta`-decay, a new element with atomic number greater than one is obtained. (R ) Protons and ... D. If both (A) and (R ) are incorrect.
Description : What atom has 15 protons 17 neutrons and 15 electrons. What element is this atom?
Last Answer : Need answer
Description : What is the mass number of a helium atom that has 2 protons and 2 neutrons?
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 : 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 : What is the atomic way of an element whose Adam's contain a protons 8 elecktronicks and 8 neutrons?
Last Answer : An oxygen atom contains 8 protons and 8 neutrons in its center,and 8 electrons in various levels outside its center.
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 : 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 : 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 : 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 : 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 : Atomic number of an element gives (a) The number of protons in its atom (b) The number of nucleons in its atom (c) The weight of the atom of the element (d) The total number of elementary particles in its atom
Last Answer : Ans:(a)
Description : Two hydrogen-like atoms `A` and `B` are of different masses and each atom contains equal numbers of protons and neutrons. The difference in the energi
Last Answer : Two hydrogen-like atoms `A` and `B` are of different masses and each atom contains equal numbers of ... A` imparts. Identify the atom `A and B`.
Description : The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element? (A) A + Z (B) A - Z (C) A (D) Z
Last Answer : (B) A - Z
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 : If an atom has a mass number of 15 and an atomic number of 7 how many neutrons does it have?
Last Answer : What is the answer ?
Description : What is the number of protons electrons and neutrons in one atom of titanium?
Last Answer : Titanium has 22 protons, 22 electrons and 24-28 neutrons - depending on the isotope.
Description : What identify the number of protons neutrons and electrons in the atom.?
Last Answer : The number of protons and electrons is equal to the atomic number in a neutral atom.The number of protons is the mass number minus number of protons.
Description : Chlorine atom and chloride ions - (1) Have an equal number of protons (2) Have an equal number of electrons (3) Unequal number neutrons (4) reacts spontaneously with water
Last Answer : (1) Have an equal number of protons
Description : The neutrons in an atom: w) are part of the nuclear charge x) rotate about the nucleus in elliptical orbits y) vary in number with different isotopes z) are always equal in number to the total number of protons
Last Answer : ANSWER: Y -- VARY IN NUMBER WITH DIFFERENT ISOTOPES
Description : The chemical bahaviour of an atom depends upon (1) the number of protons in its nucleus (2) the number of neutrons in the nucleus (3) the number of electrons orbiting around the nucleus (4) the number of nucleons in the nucleus
Last Answer : the number of electrons orbiting around the nucleus
Description : What are the number of protons plus the number of neutrons gives the atomic?
Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.
Last Answer : Ans:(d)
Description : Atomic number is equal to - (1) Number of electrons (2) Number of neutron (3) Number of protons (4) Total number of protons and neutrons
Last Answer : (3) Number of protons Explanation: Atomic number is equal to Number of protons. The atomic number or proton number of a chemical element is the number of protons found in the nucleus of an atom.
Description : When an Atom of carbon has 6 protons and 7 neutrons in its nucleus if the atom is neutral how many electrons does it have?
Description : Which universal force acts on protons and neutrons in an atom nucleus?
Last Answer : The strong nuclear force.
Description : A neutral atom contains 5 neutrons and 4 protons. How many electrons does it contain?
Last Answer : 4 A+
Description : An atom contains 4 protons, 3 neutrons, and 5 electrons. What is its total electric charge?
Last Answer : -1 A+
Description : The nucleus of an atom consists of (a) Protons + Electrons (b) Only Protons (c) Protons + neutrons + electrons (d) Protons and neutrons
Description : Which of the following does the Nucleus of an atom consist of? (1) Protons and neutrons (2) Protons and electrons (3) Electrons (4) Protons
Last Answer : (1) Protons and neutrons Explanation: The nucleus is the small, dense region consisting of protons and neutrons at the center of an atom. Protons and neutrons are bound together to form a ... nucleus was discovered in 1911 by Ernest Rutherford based on the 1909 Geiger-Marsden gold foil experiment.
Description : What nucleus of atom contains? (1) protons (2) electrons (3) electrons and protons (4) protons and neutrons
Last Answer : (4) protons and neutrons Explanation: The nucleus, that dense central core of the atom, contains both protons and neutrons. Electrons are outside the nucleus in energy levels.
Description : What particles move around the nucleus of an atom and are negatively charged? (1) Electrons (2) Protons (3) Positrons (4) Neutrons
Last Answer : (1) Electrons Explanation: Circling around outside the nucleus are tiny little particles called electrons. Electrons have a negative charge. Electrons spin as they circle the nucleus billions of times every ... or lose energy, they jump between energy levels as they are rotating around the nucleus.
Description : The nucleus of an atom consists of - (1) electrons and neutrons (2) electrons and protons (3) protons and neutrons (4) All of the above
Last Answer : (3) protons and neutrons Explanation: The atomic nucleus consists of nucleons—protons and neutrons. Protons and neutrons are made of quarks and held together by the strong force generated by gluon exchange between quarks.