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






2. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.






3. A reaction in which one or more substances are converted into different substances






4. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12






5. A horizontal row of elements in the periodic table






6. The energy change that occurs when an electron is acquired by a neutral atom.






7. A high-temperature physical state of matter in which atoms lose their electrons






8. The general term for any isotope of any element






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






10. A pure substance made of only one kind of atom






11. A vertical column of the periodic table






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






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






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






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






16. Having a uniform composition throughout






17. The arrangement of electrons in an atom






18. The measurement system accepted worldwide

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






20. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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21. The closeness of measurements to the correct or accepted value of the quantity measured






22. A testable statement






23. The energy required to remove one electron from a neutral atom of an element.






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






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






26. A vertical column of the periodic table






27. Two quantities that have a constant mathematical product






28. One wave per second.






29. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100






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






31. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation






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






33. An outer main energy level occupied - in most cases - by 8 electrons






34. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data






35. 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.






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






37. A negative ion.






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






39. Any process that results in the formation of an ion.






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






41. Not having a uniform composition throughout






42. A substance that reacts in a chemical change






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






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






45. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.






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






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






48. Anything that has mass and takes up space






49. The elements of group 1 of the periodic table.






50. A measure of the amount of matter