More Related Content Similar to Biology - Chp 2 - The Chemistry Of Life - PowerPoint (20) More from Mr. Walajtys (20) 11. 6 C Carbon 12.011 Atomic number An elements atomic number = number of protons 14. 6 C Carbon 12.011 Mass number The Sum of protons and neutrons in the nucleus of an atom is its mass number 24. Sodium atom (Na) Chlorine atom (Cl) Sodium ion (Na + ) Chloride ion (Cl - ) Transfer of electron Protons +11 Electrons -11 Charge 0 Protons +17 Electrons -17 Charge 0 Protons +11 Electrons -10 Charge +1 Protons +17 Electrons -18 Charge -1 94. Energy in reactions Energy-Absorbing Reaction Energy-Releasing Reaction Products Products Activation energy Activation energy Reactants Reactants 100. Reaction pathway without enzyme Activation energy without enzyme Activation energy with enzyme Reaction pathway with enzyme Reactants Products 103. Glucose Substrates ATP Substrates bind to enzyme Substrates are converted into products Enzyme-substrate complex Enzyme (hexokinase) ADP Products Glucose-6- phosphate Products are released Active site Editor's Notes Sodium – silver colored metal, soft enough to cut with a knife Sodium reacting explosively in water Chlorine – poisonous green gas used to kill many people in WWII Combination of sodium and chlorine
