1) A substance that cannot be broken down into simpler substances by chemical means. a) element b) atoms c) hydrocarbon d) neutron 2) a substance made up of two or more different chemical elements combined in a fixed ratio. a) subscript b) coefficient c) indicators d) compound 3) a distinguishing symbol (as a letter or number) immediately below or below and to the right or left of another written character. a) chemical change b) subscript c) ion d) element 4) a constant term related to the properties of a product a) coefficient b) atoms c) phisical change  d) indicators 5) a change of materials into another, new materials with different properties and one or more than one new substances are formed a) physical change b) chemical change c) ion d) molecule 6) transitions from one state to another a) ion b) neutron c) molecule d) Physical Change 7) a charged atom or molecule a) ion b) atoms c) element d) hydrocarbon 8) an uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus. a) molecule b) neutron c) indicators d) subscript 9) any of a class of organic chemicals made up of only the elements carbon (C) and hydrogen (H). a) atoms b) chemical change c) hydrocarbon d) molecule 10) the basic building block for all matter in the universe. a) atoms b) molecule c) indicators d) hydrocarbon 11) a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance a) molecule b) hydrocarbon c) element 12) a person or thing that indicates, signals, or points out a) litmus b) indicators c) coeffienent 13) a measure of how acidic/basic water is. a) pH Scales b) acidic c) basic 14) having the properties of a base, containing a base; pH greater than 7. a) compound b) basic c) acidic 15) having the properties of an acid, or containing acid; pH below 7. a) neurtral b) basic c) acidic 16) test for acidity a) ion b) atom c) litmus

Acids and Bases Vocabulary

szerző:
Beágyazás

Ranglista

Vizuális stílus

Beállítások

Kapcsoló sablon

Automatikus mentés visszaállítása :?