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 : 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 : What is the mass of an element with 15 protons, 13 electrons, and 11 neutrons?
Last Answer : oh actually i know the answer
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 : 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 : What atom has 15 protons 17 neutrons and 15 electrons. What element is this atom?
Last Answer : Need 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 : 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 : 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 : 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 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 : 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 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 : 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 : 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 : 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 : An atom contains 4 protons, 3 neutrons, and 5 electrons. What is its total electric charge?
Last Answer : -1 A+
Description : A neutral atom contains 5 neutrons and 4 protons. How many electrons does it contain?
Last Answer : 4 A+
Description : The nucleus of an atom consists of (a) Protons + Electrons (b) Only Protons (c) Protons + neutrons + electrons (d) Protons and neutrons
Last Answer : Ans:(d)
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.
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 : All of the followings are particles of the atom except D A. Electrons B. Protons C. Neutrons D. Pentagon
Last Answer : Pentagon
Last Answer : Protons and neutrons
Last Answer : Electrons
Description : Isotopes of the same element differ in the number of (a) Protons (b) Neutrons (c) Electrons (d) Positrons
Last Answer : Ans:(a)
Description : The difference between isotopes of an element is due to the presence of a different number of (a) Protons (b) Neutrons (c) Electrons (d) Photons
Last Answer : Ans:(b)
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 : 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 : What is the mass number of a helium atom that has 2 protons and 2 neutrons?
Description : What element has 1 protons 1 neutrons and 2 electrons?
Last Answer : It is hydrogen element. It is tritium isotope of hydrogen.
Description : How many protons neutrons and electrons are in the element manganese?
Last Answer : Manganese has 25 protons, 25 electrons and 30 neutrons.
Description : What element has 9 protons 9 neutrons and 8 electrons?
Last Answer : 8 17 This isotope of oxygen has 8 protons (atomic number), 8 electrons and 9 neutrons. (Recallthat mass number is the total of protons and neutrons. )
Description : Isotopes of an element have different numbers of: w) electrons x) protons y) neutrons z) leptons
Last Answer : ANSWER: Y -- NEUTRONS
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 : It is believed that carbon-14 in nature is slowly generated by the action of: w) protons on carbon-12 x) electrons on hydrogen y) cosmic rays on boron z) neutrons on nitrogen
Last Answer : ANSWER: Z -- NEUTRONS ON NITROGEN
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 : Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons
Last Answer : (C) Deuterium atom has one proton and two neutrons in its nucleus