Engineering

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Engineering


Chemical Symbols for Different Chemical Elements-Fill in the Blanks

Question Insert the chemical symbol in the answer blank for each of the following elements. ___ 1. Oxygen ___ 2. Carbon ___ 3. Potassium ___ 4. Iodine ___ 5. Hydrogen ___ 6. Nitrogen ___ 7. Calcium ___ 8. Sodium ___ 9. Phosphorous ___ 10. Magnesium     ... Read More

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Most and Least Abundant Chemicals in the Human Body-Fill in the Blanks

Question List the chemicals that are MOST abundant in the human body to the LEAST abundant.   ... Read More

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Cation Electron Gain/Lost-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis A cation is an atom that has (lost/gained) an electron, giving it a (positive/negative) electrical charge.     ... Read More

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Anion Electron Gain/Lost-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis An anion is an atom that has (lost/gained) an electron, giving it a (positive/negative) electrical charge.     ... Read More

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Ionic Compound that Dissociates into Component Ions-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis A _________ is an ionic compound that, when dissolved in water, dissociates into component ions other than H+ and OH-.     ... Read More

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Ions that Conduct an Electrical Current in Solution-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis Ions that conduct an electrical current in solution are called _________________.     ... Read More

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Presence of Protons, Neutrons and Electrons in Hydrogen Atom-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis A hydrogen atom has (one/zero) proton(s), (one/zero) electron(s), and (one/zero) neutron(s).     ... Read More

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Presence of Protons, Neutrons and Electrons in Hydrogen Ion-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis A hydrogen ion has (one/zero) proton(s), (one/zero) electron(s), and (one/zero) neutron(s).     ... Read More

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Whether Acids Release/Accept Hydrogen Ions-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis Acids are substances that (release/accept) hydrogen ions.     ... Read More

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Whether Bases Release/Accept Hydrogen Ions-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis Bases are substances that (release/accept) hydrogen ions.   ... Read More

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Whether Bicarbonate Ion is an Important acid/base in the Human Body-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis The bicarbonate ion is an important (acid/base) in the human body.     ... Read More

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What we Called Water Molecules-Fill in the Blanks

Question Fill in the blanks: highlight the correct word in the parenthesis Because water molecules have a positive pole and a negative pole, we consider the water molecule to be a ____________ molecule.     ... Read More

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