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Questions relating to Atoms, Orbitals and Electron Configurations: To test whether you know all that you need to know you must try to answer these questions before you look at the answers! You may wish to refer to a periodic table when answering the following questions. Atoms: 1.  How many electrons are there in N 3- ? 2.  What is the atomic mass unit for an atom of bromine? Answers...... Orbtials: 1.  What are the quantum numbers that describe a 3p orbital? 2.  How many occupied valence orbitals are there in Cl and I? 3.  What are the quantum numbers for an electron in a 3s orbital? Answers..... Electron Configurations: Use the information given in the box below when answering the next three questions: (a)  [Ar] (d)  1s 2 2s 2 2p 6 3s 2 3p x 2 3p y 1 (b)  1s 2 2s 2 2p 6 3s 1 (e)  1s 2 2s 2 2p 6 3s 2 3p x 1...

PHOTOSYNTHESIS The Characteristics, Equation and Stages of Photosynthesis The Chemical Equation for Photosynthesis 1. What is the primary energy source of living organisms on earth 3 ? The sun, the center of our planetary system and a star in the Milky Way galaxy (our galaxy), is the source of the energy processed and consumed by living organisms. Intense nuclear reactions in the sun release light and other energy radiation into the surrounding space. Some of this energy reaches our planet. 3. What is the chemical equation for photosynthesis? The chemical equation for photosynthesis is the following: 6 CO₂ + 6 H₂O + light --> C₆H₁₂O₆ + 6 O₂ Chloroplasts and Chlorophyll 4. What living organisms are responsible for photosynthesis?  What cell organelle is responsible for the absorption of light in the photosynthesis process in plants and algae? There are many organisms (including all animals) that do not use photosynthesis. Th...

FOREWORD I hope you have gone through the previous microbiology sample questions I provided you some days ago. Since some of my readers consulted me for more questions, well, here are other extra hot practice questions for you without regarding whether you are taking the core microbiology course or an introductory course. It is a sure thing to me if you fully practice on these questions, you gonna make the most out of microbiology. However for those who are still taking an introductory course, keep the questions with you while trying to work on questions from introductory concepts. MULTIPLE CHOICE QUESTIONS.  ( Some question have more than one choices, circle all the correct answers you see.) 1. What groups listed below have true cell walls?    A.  algae      B.  mycoplasmas     C.  Gram-positive bacteria    D.  fungi     E.  protozoans    2.  ...

EXISTENTIALISM Existentialism, one of the interesting 20th century philosophy. In broader sense it is centered in the analysis of existence and the way humans find their existence in the world. The core point is that humans exist first then later every individual spends a lifetime changing his nature or essence. Underlying Concepts. ( www.allaboutphilosophy.org ) Existentialism consider the underlying concepts: · Human free will. · Human nature is chosen through life choices. · A person is best when struggling against their individual nature. fighting for their life. · Decisions are not without stress and consequences. · There are things that are not rational. · Personal responsibility and discipline is crucial. · Society is unnatural and its religious an d secular rules are arbitrary. · The worldly desire is futile.   Main Ideas Of Existentialism " According to existentialism,   (1) Exist(ence is a...