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All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.
In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: No electron is proton. Statement II: All protons are atom. Conclusion I: Some electrons are atoms. Conclusion II: No electrons are atom.
A word is given below followed by three sentences which consist that word. Identify the sentence/s which best expresses the meaning of the word.  COMPRISE A. The military and historical works in this library comprise the wars of Julius Caesar, Turenne, and Frederick the Great. B. Shattering the altar and trampling the holy objects underfoot, the invaders comprise the sanctuary. C. The critics comprise his pretentious dialogue and refused to consider his play seriously.
Which of the following are the properties of a proton? 1. Proton is a positively charged particle. 2. Protons are found outside the nucleus of an atom. 3. The charge of a proton is equal and opposite to the charge of an electron.
All the forms of matter except gases emit electromagnetic radiation continuously. The gases which electrically or thermally excited emit a certain wavelength only, then which of the following is/are true about the process (i) The spacing between the atoms in the other forms of matter is high than in gas (ii) The spacing between the atoms in gases is high than the other forms of matter (iii) The energy of the emitted radiation depends on the spacing between the atoms (iv) The wavelength of the emitted radiation depends on the spacing between the atoms 
Which of the following points are correct regarding the electronic configuration? A. It is the arrangement of electrons in the shells of an atom. B. It is the arrangement of electrons in the subshells. C. It is the arrangement of electrons in the orbitals of an atom.
Consider the following statements: A characteristic of the structure of metallic atoms is that 1. their outermost orbital of electrons is nearly complete and they attract electrons from other atoms 2. their atoms are smaller and more compact than those of non-metallic elements Which of the above statements is/are correct?
Which of the following statements regarding an atom are correct? 1) If two atoms with similar ionization potential form a bond, then this bond will most probably be either covalent or metallic. 2) When atoms with different ionization potentials form a bond, the bond will be mainly ionic. 3) If the atom or molecule already has its outer shells completely full, then the bonding between the atoms or molecules will be a secondary bond when it solidifies.
Assuming that A and B mix to form a substitutional solid solution and that all configurations of A and B atoms are equally probable, the number of distinguishable ways of arranging the atoms on the atom sites, if N1=8 and N2=4 is_____ (N1, N2 are the number of atoms in A and B respectively).
Study the following statements.
1. A bond formed by the transfer of electrons between atoms of the element is called ionic bond.
2. A bond formed by sharing of electrons between atoms of the elements is called covalent bond.
Which of the statements given above is/are correct?