Atoms and molecules
Quiz by Megala Hariprasad
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13 questions
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- Q11 u or 1 amu meansMass of O-16 atomMass of C-12 atom1/12th mass of C-12 atomsMass of Hydrogen molecule30s
- Q2An element X is divalent and another element Y is tetravalent. The compound formed by these two elements will beXY2XY4XYX2Y30s
- Q3The correct symbol for silver isAlAuAgS30s
- Q4Adding electrons to an atom will result in a (an)SaltCationMoleculeAnion30s
- Q5A group of atoms chemically bonded together is a (an)ionelementsMoleculesalt30s
- Q6The law of definite proportions was given byHumphry davyMichael FaradayJohn DaltonProust30s
- Q7All noble gas molecules arediatomicnone of the abovepolyatomicMonoatomic30s
- Q8Law of chemical combination saysThe total mass of reactants equals the total mass of productsBoth a and bA found always has its constituent in fixed proportionA reaction happen only if there is liberation of energy30s
- Q9Carbon dioxide in air and the carbon dioxide dissolved in water, both contain carbon and oxygen in ratio of 12:32 gram. This showsLaw of conservation of massLaw of combinationLaw of conservation of energyLaw of constant proportion30s
- Q10Pick up the statement which does not belong to Dalton theoryAtoms of an element are identical alaysAtoms combine in whole number rato with other atomAll compounds are made up of atomsAtoms reacts as per their valence electrons30s
- Q11Which Subatomic particle(s) have a mass of 1 amu?electronproton and electronprotonproton and neturon30s
- Q12Look at the chart above, which two atoms have the same mass?Atoms 1 & 4atoms 1&3atoms 2&3atoms 1&230s
- Q13Look at the chart above, which two atoms are isotopes of another?atoms 1&2atoms 1&3atoms 1&4atoms 2&360s
