Atomic # 7 Atomic # Atomic # Atomic # Atomic Mass 14 Atomic Mass 12 Atomic Mass_40 Atomic Mass 5e 2e N- N-0 otope Name: Nitrogen Element: Element: Element: SymbolN Symbol_C_ Symbol H Symbol Atomic # Atomic # Atomic # Atomic # Atomic Mass 11 Atomic Mass_ 27 Atomic Mass_ 32 Atomic Mass_ 40 P-13 N= P-20 N- N- N-6 nt: Element: Element: Element: ymbol Symbol B Symbol Symbol Atomic # 10 Atomic # omic # Atomic # Atomic Mass 20 Atomic Mass nic Mass 37 Atomic Mass_23 P-19 N-20 7e Element: Element: Element: Sodium Symbol Symbol Symbol ol
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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