Chemistry, 06.06.2020 02:59 dice50

Q1: Which of the following of Dalton's theories do we still use today? matter is composed of small tiny particles called atoms
atoms cannot be divided
atoms of the same element are identical in size, mass, and properties

Q2:How many neutrons are there for ^242U?

92 neutrons
238 neutrons
242 neutrons
150 neutrons

Answers: 2

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