1 Garrison wants to know why the shape of water changes when it goes through a state change. The model below shows how water changes as it melts. Which question could BEST help understand why the shape of water changes when it turns from a solid to a liquid? A. Which model has the most water molecules? B. Which model has the largest water molecules? C. How can the color of the particles be described? D. How can the arrangement of the particles be described? 2 Which grouping of the three phases of bromine is listed in order of increasing average distance between bromine molecules? A. gas, liquid, solid B. solid, liquid, gas C. liquid, solid, gas D. solid, gas, liquid
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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