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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. An element that has some characteristics of metals and some characteristics of nonmetals






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






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






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






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






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






7. Specify the properties of atomic orbitals and the properties of electrons in orbitals.






8. A testable statement






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






10. The amount of space occupied by an object






11. The total number of protons and neutrons in the nucleus of an isotope






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






13. A vertical column of the periodic table






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






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






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






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






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






19. The ratio of mass to volume or mass divided by volume






20. The general term for any isotope of any element






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






22. Any substance that has a definite composition






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






24. A property that depends on the amount of matter that is present






25. The study of the composition - structure - and properties of matter and the changes it undergoes






26. Something that has magnitude - size - or amount






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






28. A negative ion.






29. No two electrons in the same atom can have the same set of four quantum numbers






30. The elements of group 2 of the periodic table.






31. The closeness of a set of measurements of the same quantity made in the same way






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






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






34. A change in a substance that does not involve a change in the identity of the substance






35. Distance between corresponding points on adjacent waves.






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






37. Anything that has mass and takes up space






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






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






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






41. A vertical column of the periodic table






42. A substance that is formed by a chemical change






43. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance

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44. The physical and chemical properties of the elements are periodic functions of their atomic numbers.






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






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






47. A horizontal row of elements in the periodic table






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






49. Lowest energy state of an atom.






50. The state of matter in which the substance has a definite volume but an indefinite shape