The ball and stick model of C subscript 2 H subscript 4 is described as Option C: Each C has 2 H's connected to it each by 1 black.
This means the same as the 3D structure image of ethylene (C2H4) and means 2 C's connected by 2 black lines.
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The structure of ethylene is made up of 2 carbon atoms and 4 hydrogen atoms.
The carbon atoms are located at the middle position and the hydrogen atom surrounding the carbon atoms with two hydrogen atoms connected to each carbon atom. The two black lines connecting the carbons are the double bonds.
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The Answer is "None of the Above"
I believe the correct answer from the choices listed above is the last option. Lactase and carbonic anhydrase are examples of enzymes. Lactase is an enzyme produced by a lot of organisms. Carbonic anhydrases, on the other hand, is a family of enzymes that catalyze the rapid interconversion of CO2 and H2O to bicarbonate.
Ionic bonds are metals and non metals and covalent are non metals so C.
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Sodium Hydroxide is a corrosive formula. It causes severe skin and eye burns and digestive tract burns. Dust or vapor from the formula is extremely irritating to the eyes and respiratory tract. The material reacts to water. Target organs of Sodium Hydroxide consists of Eyes, skin, lungs and the respiratory system.
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