CHEM 2045C EXAM 1 UCF (GUARANTEED
ANSWERS
, CHEM 2045C EXAM 1 UCF (GUARANTEED
ANSWERS)
Nitrate - CORRECT ANSWERSNO3-
Chromate - CORRECT ANSWERSCrO4^2-
Dichromate - CORRECT ANSWERSCr2O7^2-
Phosphate - CORRECT ANSWERSPO4^3-
Hydrogen phosphate - CORRECT ANSWERSHPO4^2-
Dihydrogen phosphate - CORRECT ANSWERSH2PO4-
Ammonium - CORRECT ANSWERSNH4+
Element - CORRECT ANSWERS•Pure substances that cannot be decomposed into simpler substances by
chemical reactions
•basic building blocks of matter
Compound - CORRECT ANSWERS•Substances that can be decomposed
•composed of molecules that contain two or more different kinds of atoms
Ion - CORRECT ANSWERSatom with either a positive or negative net charge due to the loss or gain of an
electron
Homogeneous - CORRECT ANSWERSmixture that has uniform composition throughout
Heterogeneous - CORRECT ANSWERSmixture that is not uniform throughout
ANSWERS
, CHEM 2045C EXAM 1 UCF (GUARANTEED
ANSWERS)
Nitrate - CORRECT ANSWERSNO3-
Chromate - CORRECT ANSWERSCrO4^2-
Dichromate - CORRECT ANSWERSCr2O7^2-
Phosphate - CORRECT ANSWERSPO4^3-
Hydrogen phosphate - CORRECT ANSWERSHPO4^2-
Dihydrogen phosphate - CORRECT ANSWERSH2PO4-
Ammonium - CORRECT ANSWERSNH4+
Element - CORRECT ANSWERS•Pure substances that cannot be decomposed into simpler substances by
chemical reactions
•basic building blocks of matter
Compound - CORRECT ANSWERS•Substances that can be decomposed
•composed of molecules that contain two or more different kinds of atoms
Ion - CORRECT ANSWERSatom with either a positive or negative net charge due to the loss or gain of an
electron
Homogeneous - CORRECT ANSWERSmixture that has uniform composition throughout
Heterogeneous - CORRECT ANSWERSmixture that is not uniform throughout