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Pre - AP Chemistry

Subjects : pre-ap, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.






2. A ratio derived from the equality between two different units that can be used to convert from one unit to the other






3. The state of matter in which the substance has definite volume and definite shape






4. An arrangement of the elements in order of their atomic numbers so that the elements with similar properties fall in the same column or group.






5. A unit that is a combination of SI base units






6. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)






7. The number of protons in the nucleus of each atom of an element






8. The state of matter in which a substance has neither definite volume nor definite shape






9. A blend of two or more kinds of matter - each of which retains its own identity and properties






10. An element that is a poor conductor of heat and electricity






11. The 14 elements with the atomic numbers 90-103.






12. An atom or group of bonded atoms that has a positive or negative charge.






13. Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron - and all electrons in singly occupied orbitals must have the same spin state.

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14. Mass is neither created nor destroyed duringordinary chemical or physical reactions






15. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number






16. The amount of space occupied by an object






17. A characteristic that can be observed or measured without changing the identity of the substance






18. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)






19. A measure of the gravitational pull on matter






20. A physical change of a substance from one state to another






21. A horizontal row of elements in the periodic table






22. A positive ion.






23. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.






24. A change in which one or more substances are converted into different substances






25. Which way it spins. (up or down)






26. Having a uniform composition throughout






27. 1/2 the distance between the nuclei of identical atoms that are bonded together.






28. Number of waves that pass a given point in a specific time - usually one second.






29. A property that does not depend on the amount of matter present






30. The ability of a substance to undergo a change that transforms it into a different substance






31. An element that is a good conductor of heat and electricity






32. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together






33. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated






34. A vertical column of the periodic table






35. Two quantities that give a constant value when one is divided by the other






36. A substance that is made from the atoms of two or more elements that are chemically bonded






37. A vertical column of the periodic table






38. The smallest unit of an element that maintains the properties of that element






39. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.






40. Emission of electrons from a metal when light shines on a metal.






41. The mass of one mole of a pure substance






42. The general term for any isotope of any element






43. The arrangement of electrons in an atom






44. An electron occupies the lowest-energy orbital that can receive it






45. A substance that reacts in a chemical change






46. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg






47. The electrons available to be lost - gained - or shared in the formation of chemical compounds.






48. The suborbitals of an atom. (S - P - D - F)






49. The total amount of energy level an atom has.






50. Minimum quantity of energy that can be lost or gained by an atom.