Bioquímica 1 PDF Notes
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These notes cover basic chemistry concepts, including levels of organization of matter, and practice questions on atoms, ions, and isotopes. The document is suitable for secondary school level students.
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# Chemistry Notes ## Levels of Organization | Substance | Level| |---|---| | Musculo liso | Tejido | | Electron | Particula elemental o subatomica | | Oxigeno (O2) | Nivel molecular | | Enzima | Nivel molecular | | Quark | Particula elemental | | Cloro (CI) | Nivel atomico | | Ion sodio | Mo...
# Chemistry Notes ## Levels of Organization | Substance | Level| |---|---| | Musculo liso | Tejido | | Electron | Particula elemental o subatomica | | Oxigeno (O2) | Nivel molecular | | Enzima | Nivel molecular | | Quark | Particula elemental | | Cloro (CI) | Nivel atomico | | Ion sodio | Molecular | | Mitocondria | Nivel subcelular | | Proton | Particula subatomica | | Agua | Nivel molecular | | Ribosoma | Organelo | | Hidrogeno (H) | Molecular | | Nucleo Celular | Subcelular | | Lipidos | Molecular | | Insulina | Molecular | | Proteínas | Molecular | | Intestinos | Organo | | Humanas | Poblacion | | Cloruro de sodio (NaCl) | Nivel Molecular | | Bacteria | Celular | | Carbohidratos | Molecular | | S.respiratorio | Sistema | | Nucleo de hidrógeno | Atomico | | Orina | Molecular | | H+ | Particulas subatomicas | | Al+3 | Atomico | | Mg+2 | Atomico | | A. Locomotor | Aparato | | Adipocito | Celular | | Plasma | Molecular | | NaOH | Molecular | | Neutron | Particulas Subatomicos | ## Chemistry Questions **If an atom has a charge of +3, then:** * It is an ion. **If the electron difference of an atom is in 4p2 then:** * It has 2 electrons in the last level. **If the electron difference of an atom is 3d10 then:** * The value of m' is +2. **If a atom has Z=10/Q=0 then:** * None is correct. **If we assume that an atom with A=2, Z= 1 is neutral, then its electronic configuration is:** * 1s1 **Select the elements which have two valence electrons:** * Ba (56) * Yb (70) * Fr (87) **What are the subatomic particles that have no charge and are found in the nucleus of the atom?** * Neutrons **If an atom has Z=1, A=3, and Q=+1, then:** * None of the answer is correct. **Following the periodic table, how many valence electrons would the hypothetical element with Z=121 have?** * 3 **What is a covalent bond?** * This type of bond is typically found between non-metals. **How many energy levels does Curio (98) use to accommodate its electrons?** * 7 **An atom with Z=105 has:** * 105 positive charges. **If oxygen has a charge of -2, what does it mean?** * It has 2 electrons. **What is an ionic bond?** * This type of bond is usually found between metals and non-metals. **If an atom is an isotope of oxygen with a mass of 14 and a charge of -2, then:** * It uses two energy levels to accommodate its electrons. **When are atoms known as ions?** * Neutral atoms lose or gain negative charges **How many electrons does an atom have if A=10?** * If we assume it's a neutral atom, then 10. **What are atoms made of?** * Electrons, protons, and neutrons **What happens during nuclear change?** * Radioactivity * Isotopes **If the electron differential of an atom is in 5F1, then:** * The value of m' is -3. * Its spin is +1/2. **If an atom is an isotope of carbon with A=8 and Q=-2, then:** * Its mass is 14 * Z=6 **Following the periodic table, how many valence electrons would the hypothetical element with Z=125 have?** * 2 **An atom with Z=16 has:** * 16 electrons if it is a neutral atom. **If an atom has A=3, Z=1 then:** * The number of neutrons is 2 **If an atom has Z=53 and Q=-1 then:** * None is correct **What are the subatomic particles that have a charge and are not found in the nucleus of the atom?** * Electrons **How many electrons does an atom have if Z=8, Q=-2?** * 10 **If the electron difference of an atom is in 4F10, ** * Then it has 2 electrons in the last level. **If an atom has Q=-3, then it has:** * Gained electrons.