Description : What is the number of electrons in an atom of atomic number Z and mass number A? -Do You Know?
Last Answer : answer:
Description : What is the atomic number of an atom with mass number 9 and 5 electrons?
Last Answer : The atomic number is the number of ProtonsThe mass number is the number of Protons and NeutronsThe number of Electrons always equals the number of ProtonsTherefore according to the above information the atomic ... an Atomic number of4Boron has an Atomic mass of 10.811 and an Atomic number of 5
Description : How many electrons are present in an atom of mercury who is atomic number is 80 and whose mass number is 201?
Last Answer : 121 neutrons.
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 : What is the number of electrons in an atom of atomic number Z and mass number A?
Last Answer : Z
Description : 1. What is the number of electrons in an atom of atomic number Z and mass number A? 2. With which of the following fields is M. F. Hussain associated? 3. Which is the Slack Season' in ... 19. What are Shield volcanoes? 20. Mughal dynasty was to Bahadur Shah Zafar-as what was Lodi dynasty to?
Last Answer : Answer : 1. Z 2. Painting 3. Jan.-June 4. Australia 5. Valanadu 6. Stomata 7. 9th December, 1946 8. Measuring flask 9. China 10. Rajaraja Chola I 11. Vocal music 12. Abidjan 13. ... N. Rao 17. By radiation only 18. Useful but need strict regulation 19. Repeated lava flows 20. Ibrahim Lodi
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 : 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 : 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 : The number of electrons of a neutral atom is automatically known if one knows the? A. Atomic number (Answer) B. Atomic weight C. Number of orbitals D. none
Last Answer : A. Atomic number (Answer)
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 : How many valence electrons does an atom of an element with an atomic number of twelve have?
Last Answer : ANSWER: TWO
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 : A neutral atom with an atomic number of five has electrons equal to: A. 1 B. 5 C. none D. depends on the type of atom
Last Answer : A neutral atom with an atomic number of five has electrons equal to: 5
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 : 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 : 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 : 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
Description : Pick out the wrong statement. (A) The ratio of the density of the 'nucleus' to that of the 'atom' is 10 12 (B) α-particle is identical with a doubly charged helium ion (C) The mass of deuterium atom is half that of helium atom (D) Gamma rays are high energy electrons
Last Answer : (D) Gamma rays are high energy electrons
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 a mass number of 15 and an atomic number of 7 how many neutrons does it have?
Last Answer : What is the answer ?
Description : Evidence for the existence of energy level in atom is supplied by (a) Atomic numbers (b) Atomic radii (c) Spectral lines (d) Mass defects
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 : Simplest atom (based on atomic mass) is that of?
Last Answer : Hydrogen
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
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 : 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 : Calculate the drift velocity for the electrons in a silver wire which has a radius of 0.1 cm and carries a current of 2 A. Atomic mass of silver=108 a
Last Answer : Calculate the drift velocity for the electrons in a silver wire which has a radius of 0.1 cm and carries a ... silver `=10.5xx10^(3) kg//m^(3)`.
Description : Why does sulfur dioxide have 10 electrons on central atom when that is more than 8. I don't understand how it can violate the rule?
Last Answer : The octet rule is a simplification, not a hard and fast rule. We use it to help students at the start of their studies of bonding. When sulfur forms more bonds, more energy is released. resulting in a more stable situation.
Description : Why are the electrons in an atom moving around the nucleus?
Last Answer : Electrons are trapped in orbit around the nucleus of an atom due to nuclear forces of attraction. They are always on the move.
Description : What is the number of unpaired electrons in carbon atom? -General Knowledge
Last Answer : The answer is '2'
Description : True or False. The imbalance of electrons in an atom creates a movement of electrons called the electric current?
Last Answer : 1
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 : What is the maximum number of electrons in an atom that can have the quantum number n = 3 and l = 2 ?
Last Answer : What is the maximum number of electrons in an atom that can have the quantum number n = 3 and l = 2 ? A. 2 B. 5 C. 6 D. 10
Description : The number of lone pairs of electrons present in central atom of `CIF_3` is:
Last Answer : The number of lone pairs of electrons present in central atom of `CIF_3` is:
Description : The complex ion that does not have d electrons in the metal atom is
Last Answer : The complex ion that does not have d electrons in the metal atom is A. `[MnO_(4)]^(-)` B. `[Co(NH_(3))_(6)]^(3+ ... ]^(3-)` D. `[Cr(H_(2)O)_(6)]^(3+)`
Description : `._(92)^(238)U` atom distintgrates to `._(84)^(214) Po` with a half life of `4.5xx10^(9)` years by emitting six alpha particles and n electrons. Here
Last Answer : `._(92)^(238)U` atom distintgrates to `._(84)^(214) Po` with a half life of `4.5xx10^(9)` years by emitting ... . Here n is - A. 6 B. 4 C. 10 D. 7
Description : The number of electrons in the penultimate orbit of krypton atom are
Last Answer : The number of electrons in the penultimate orbit of krypton atom are A. 8 B. 2 C. 18 D. 32
Description : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is
Last Answer : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is A. 4 B. 3 C. 2 D. zero
Description : Which principle is followed in the distribution of electrons in an atom?
Last Answer : Which principle is followed in the distribution of electrons in an atom?
Description : How many electrons did magnesiun give to each chloride atom?
Last Answer : Need answer
Description : In the Lewis symbol for a fluorine atom there are paired and unpaired electrons.?
Last Answer : Yes. That is true. There are 3 pairs of electrons, and 1 loneunpaired electron.
Description : In which type of bond are one or more electrons transferred from one atom to another?
Description : If the element sulfur S was to lose two electrons per atom what would the net ionic charge be?
Last Answer : The charge will be +2.
Description : How many energy levels contain electrons in an atom of zirconium (Zr)?
Last Answer : 4
Description : How many electrons can the 3rd atom shell hold?
Description : How does an atom gets a full shell of electrons?
Last Answer : The nonmetals usually gain or share however many electrons theyneed to complete their outer shell. Metals tend to lose theelectrons in their outer shell, so that one of the inner shellsessentially becomes the outer shell.