Please answer it correctly A. electronB. proton_21. What do you called an attractive force that act between polar molecules?A. dipole-dipole interactionB. hydrogen bonding_22. What's the tem for stars that are nine times bigger than our Sun?A. massive starsB. starsD. NoneC. Dispersion forcesD. lon-dipole interactionC. nebulaeD. supernova23. It is a combustible material that took millions of vears to form underneath the earth.A. Fossil fuelsC. GeothermalD. HydrothermalB. Biogas24. An energy produced by the anaerobic decomposition of organic materials brought about bycertain varieties of bacteria.A. Fossil fuelsB. Biogas25. It is the heat energy obtained from undemeath the earth and carried to the surface as steam.A. Fossil fuelsB. Biogas26. These are photovoltaic cells usually used for powering homes.A. Fossil fuelsB. Biogas27. What will happen when there is an adding of neutrons in the atoms?A. a new compound formedB. a new isotope formed28. What serves as the identity of an atom?A. number of electronB. number of proton29. What causes the formation of heavier elements in space?A. death of a starB. supemova30. What is the last lighter element to be formed during a star formation?C. GeothermalD. HydrothermalC. GeothermalD. Soiar cellsC. GeothermalD. Solar cellsC. a new element formedD. None of the choicesC. number of positronD. None of the choicesC. neutron-star mergerD. All of the choicesC. HydrogenD. OxygenA. HeliumB. Iron31. To increase reaction rates, which of the following should be done?C. increase the surface areaD. All of the choicesA. increase the temperatureB. increase the concentration32. What force naturally pulls things together?C. fusionD. pressure33. Which element is the first and lightest to ever be formed?C. HydrogenD. OxygenA. fissionB. gravityA. HeliumB. Iron34. A catalyst is a substance thatA. increase the rate of reaction without being consumed.B. increase the rate of reaction as it is being consumed.C. decrease the rate of reacțion without being consumed.D. decrease the rate of reaction as it is being consumed.35. What refers to the ability of a molecule to be dissolved in a solvent?A. boiling pointsB, solubility36. What refers to the certain temperature for à molecule to transition into a gaseous state?A. boiling pointsB. solubility37. All of the following are characteristics of organic compounds EXCEPT:C. melting pointsD. surface tensionC. melting pointsD. surface tensionC. Many are electrolytesA. most burn in oxygenB. They are soluble in nonpolar solvent D. All are carbon compounds38. Which of the following can determine a molecule's polarity?A. EN differenceB. molecular geometryC. Lewis structureD. All of these WERTIFIED29 The following should be done to increase reaction rates EXCEPT;A. increase the temperatureB. increase the concentration -40. The following should be done to increase the collision EXCEPT;A. increase the temperatureB. increase the concentration41. It is a surface-active agent, capable of reducing the surface tension of liquids.A. SurfactantsB. Emulsifier42. Which of the following DOES NOT determine à molecule to be nonpolar?A. central atoms has no lone pairsB. symmetrical in structure43. These are any substance that softens the skin by slowing the evaporation of water.10C. increase the surface areaD. increase the particle sizeC. increase the surface areaD. increase the particle sizeC. BufferD. EmollientC. EN difference is less than 0.4D. None of theseC. BufferD. Emollient44. It encourages the suspension of one liquid in another.A. SurfactantsB. EmulsifierA. SurfactantsB. Oxidizer45. It a substance that oxidizes another substance.C. BufferD. EmollientA. SurfactantsB. OxidizerC. BufferD. Emollient46. Household products and personal care products which is capable of being decayed by theaction of living organisms.A. BiodegradableB. Non-biodegradable47. How many transuranic elements are there?C. Oxo-biodegradableD. All of theseА. 20B. 26С. 23D. 9448. This is the ability of an atom to attract electrons.C. fusionD. synthesis49. Household products and personal care products which is capable of being decayed by livingA. electronegativityB. polarityorganism only after the help of metal salt added in the material's composition.A. BiodegradableB. Non-biodegradableC. Oxo-biodegradableD. All of these50. Which of the following is the correct list of what happens first to last?A. Big Bang forms light elements. Fusion occurs in stars. Massive stars explode and formheavy elements.B. Heavy elements become stars. The Big Bang causes stars to explode. Small elements arecreated.C. Big Bang forms heavy elements.. Heavy elements are fused into stars. Stars explode andform light elements.D. Fusion takes place in stars. Massive stars explode and form heavy elements. Big Bangcreates small elements.

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B. proton What do you called an attractive force that act between polar mole A. dipole-dipole interaction B. hydrogen bonding C. Dispersion forces D. lon-dipole interaction nr bigger than our Sun?