Q1: What are the main ideas in Dalton\'s atomic theory? chosee Check all that ap

Question

Q1: What are the main ideas in Dalton's atomic theory? chosee

Check all that apply.( )

Check all that apply.( )

All atoms of a given element have the same mass and other properties that distinguish them from the atoms of other elements.( )

Q2: the number of atoms in this amount of 13C 2.321023 13 C atoms how many electrons are in this amount of 13C? and  how many neutrons are in this amount of 13C?

Each atom is composed of elements.( ) Atoms of one element cannot change into atoms of another element.( ) Nuclear particles combine in simple, whole number ratios to form atoms.( ) Atoms combine in simple, whole number ratios to form compounds.( ) Each element is composed of tiny, indestructible particles called atoms.( ) Atoms of one element can change into atoms of another element.( )

All atoms of a given element have the same mass and other properties that distinguish them from the atoms of other elements.( )

Q2: the number of atoms in this amount of 13C 2.321023 13 C atoms how many electrons are in this amount of 13C? and  how many neutrons are in this amount of 13C?

Explanation / Answer

1)1,3,6 are wrong ..... 2,4,5 ....are true

2) for 6.023*10^23 atoms can contain ...............6.023*10^23*6 nutrons

    2.32*10^23 atoms of 13C ................?

        = 2.32*10^23*6 = 13.92*10^23 nutrons

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