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 : 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 : 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 : 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 : An element having large number of __________ is most easily subjected to nuclear fission. (A) Protons (B) Electrons (C) Neutrons (D) Nucleons
Last Answer : (D) Nucleons
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 : 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 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 : 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 : `.^(234)U` has 92 protons and 234 nucleons total in tis nucleus. It decays by emitting an alpha particle. After the decay it becomes:
Last Answer : `.^(234)U` has 92 protons and 234 nucleons total in tis nucleus. It decays by emitting an alpha particle. After the ... C. `.^(230)Th` D. `.^(230)Ra`
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 : 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 : 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 : 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 : Both tritium and deuterium have the same number of (A) Neutrons (B) Electrons (C) Protons (D) Nucleons
Last Answer : (A) Neutrons
Description : ------are negatively (-) charged particles of an atom? A. Protons B. Neutrons C. Electrons (Answer) D. None of These
Last Answer : C. Electrons (Answer)
Description : What are the three subatomic particles of an atom? A. Protons,Neutrons & Electrons (Answer) B. Protons,Nucleus & Electrons C. Protons,Nucleus & Elements. D. Elements,Nucleus & Protons
Last Answer : A. Protons,Neutrons & Electrons (Answer)
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 : All of the followings are particles of the atom except D A. Electrons B. Protons C. Neutrons D. Pentagon
Last Answer : Pentagon
Last Answer : Electrons
Description : These positively charged particles are found in the atomic nucleus. a. Protons only b. Electrons only c. Protons and neutrons d. Neutrons only
Last Answer : a. Protons only
Description : An atom has 35 nucleons and has atomis number equal to 17 . The number of electrons with n =2 , m = 0 in it is :-
Last Answer : An atom has 35 nucleons and has atomis number equal to 17 . The number of electrons with n =2 , m = 0 in it is :- A. 2 B. 4 C. 6 D. 3
Description : The nuclear particles that are assumed to hold nucleons together are (a) Electrons (b) Positrons (c) Neutrons (d) Mesons
Description : The nuclear particles which are as- sumed to hold the nucleons together are?
Last Answer : mesons
Description : Which nuclear particles responsible for holding all nucleons together? -Do You Know?
Last Answer : answer:
Description : Nucleons are regarded as composites sub-particles known as – (1) Mesons (2) Quarks (3) Leptons (4) Photons
Last Answer : (2) Quarks
Description : The nuclear particles which are assumed to hold the nucleons together are - (1) positrons (2) neutrons (3) electrons (4) mesons
Last Answer : (4) mesons Explanation: The nuclear particles which are assumed to hold the nucleons together are mesons.
Description : Which nuclear particles responsible for holding all nucleons together?
Last Answer : Mesons
Description : Nucleons are regarded as composites sub-particles known as (1) Mesons (2) Quarks (3) Leptons (4) Photons
Last Answer : Quarks
Description : What are the number of protons plus the number of neutrons gives the atomic?
Last Answer : Need answer
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 : The number of protons of an atom of an element determines its?
Last Answer : Electrovalent bonds
Description : What is an atom that has the same number of protons as other atoms of the same element but different number of nutrons?
Last Answer : Feel Free to Answer
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 : 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 : (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 : 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 : Which one is different for the neutral atoms of the isotopes of an element? (A) Atomic weights (B) Atomic numbers (C) Number of protons (D) Number of electrons
Last Answer : (A) Atomic weights
Description : What atom element contain 25 protons?
Last Answer : This chemical element is manganese.
Description : What atom has 15 protons 17 neutrons and 15 electrons. What element is this atom?
Description : Draw the atomic structure of (i) an atom with same number of sub-atomic particles, (ii) an atom with same number of electrons in L and M shell. -Chemistry 9th
Last Answer : (i) Oxygen Number of electrons = 8 Number of protons= 8 Number of neutron= 8 (ii) Argon Atomic number =18=2,8,8 No of electrons in L shell = 8 No of electrons in M shell = 8
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 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 : In Rutherford's experiment involving the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered, led to one of the ... its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom
Last Answer : ANSWER: Y -- MOST OF THE MASS OF A GOLD ATOM IS IN ITS NUCLEUS