Which of the following has two or more acceptable Lewis structures | C6H6 HCN CH3CI |NC13 Following the octet rule, how many resonance structures are there for carbon dioxide? 1 2 3 none of the above Which of the following compounds has a linear molecular shape? |H2O CO2 | I3 XEF2 SO2 BeCl2

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.