3 years ago

Isotopes are atoms of the same element that have different?

1 answer:

8 0

Chemical properties of elements are primarily determined by the electrons but not by the neutrons. Therefore, Isotopes can have different number of neutrons and electron,but not protons

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Have an infinite number of significant figures

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If an experiment calls for 0.200mole acetic acid (Hc2H3O2)how many grams of glacial acetic acid do we need?

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<h3>Molar mass:-</h3>

$\\ \sf\longmapsto HC_2H_3O_2$

$\\ \sf\longmapsto 1u+2(12u)+3(1u)+2(16u)$

$\\ \sf\longmapsto 1u+24u+3u+48u$

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$\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:Mass}{Molar\:Mass}$

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$\\ \sf\longmapsto Given\:Mass=0.2\times 76$

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What are metals that have been mixed together called

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Alloys

I hope this helps!

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3 years ago