3. in which of the following are the symbol and name of the ion given correctly? *
a. nh4^+:...
3. in which of the following are the symbol and name of the ion given correctly? *
a. nh4^+: ammonia; h^+: hydride
b. oh^-: hydroxide; o^-2: oxide
c. po3^-3: phosphide; po4^-3: phosphate
d. no3^-: nitrite; n^-3: nitride
4. why are systematic names use more than common names? *
a. common names were assigned by the scientist who discovered the compound
b. common names are not very descriptive
c. common names are derived from the method used to manufacture the compound
d. common names do not provide information about the chemical make-up of the compound
Answers: 1
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
Answers: 1
Chemistry, 22.06.2019 16:00
About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
Answers: 2
Biology, 19.08.2020 21:01
Physics, 19.08.2020 21:01
History, 19.08.2020 21:01
Advanced Placement (AP), 19.08.2020 21:01
Mathematics, 19.08.2020 21:01
Chemistry, 19.08.2020 21:01