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Topic :: Atom
The neutral atom?s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
1 3495The location and energy of an electron in an atom can be specified by 1 Atomic mass 2 Atomic number 3 Quantum numbers 4 None of these
2 4237In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
1 6187According to Dalton?s atomic theory, the smallest particle which can exist independently is 1 An atom 2 A molecule 3 A cation 4 An anion
1 3507?No two electrons in an atom can have the same set of four quantum numbers? is 1 Bohr?s law 2 Aufbau principle 3 Newton?s law 4 Pauli?s exclusion principle
1 3812The neutral atom?s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
1 2894Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115
1 3757The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these
1 4861In an atomic explosion, enormous energy is released which is due to the 1 Conversion of neutrons into protons 2 Conversion of chemical energy into nuclear energy 3 Conversion of mass into energy 4 None of these
2 14524Atoms of an element differ from those of all other elements in 1 Atomic number and electronic configuration 2 Atomic number and number of valence electrons 3 Number of neutrons and electronic configuration 4 None of these
2 5990Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these
ECAT, Group 4 iv, Qnet, UPSC,
4 42245Atoms are composed of 1 Electrons only 2 Protons only 3 Electrons and protons 4 Electrons and nuclei
1 3288Who suggested that most of the mass of the atom is located in the nucleus? 1 Thompson 2 Bohr 3 Rutherford 4 None of these
3 13104An 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 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons
1 5283
What modification is required for the atomic theory in order to explain the existence of isotopes, and modern view of atomic nuclei and electrons?
what is the structure of atomic nuclei and how do complex systems derive their properties from their individual constituents?
The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?
You've been given the task of inserting the catheter for a patient scheduled for angioplasty. What anatomical landmarks are you looking for?
How to caculate coordinates of each atoms on 3 D HP model?
What are the morphological & anatomical differences between poisonous & non poisonous snakes?
What do you mean by 'rostrum' with reference to the anatomy of the human brain?
Anatomically, what are the frontal and pre-frontal cortical areas? What do you know about patients with lesions in the orbital-frontal cortex?
Explain the leaf anatomy of eucalyptus?
hi... guys can any one pls help me out.... I m civil engg graduate i want to come into s/w field... i have decided to do manual testing course. i know its not sufficient.. which r the other coures shall i do with this.. suggest me good atomation tool and SAP courses... thanks in advance.. i wil be thankfull to u all
y we do not differ b/w atomic mass and atomic wieght? from engrtauseef2008@gmail.com
how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'
we know when two atom combine,the electrions are in valance band,but in case of semiconductor doner or acceptor level are above of v.. whyb
Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?
how to convence to your doctor for Rx tour product?2)why u r join to pharma compony? what is the job of medical representative?what is atom?define cell wall?
