Chemistry, 29.08.2019 22:00 Andresssophie7379
Acan be defined as a very large molecule constructed from repeated molecular fragments or segments.
a) amino acid
b) framework
c) monomer
d) polymer
Answers: 1
Chemistry, 22.06.2019 17:00, brownvester44
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
Chemistry, 22.06.2019 21:40, k3rbycalilung
Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
Answers: 2
Chemistry, 23.06.2019 03:30, alvfran1041
Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic
Answers: 1
Acan be defined as a very large molecule constructed from repeated molecular fragments or segments.<...
Social Studies, 25.10.2019 08:43
History, 25.10.2019 08:43
Computers and Technology, 25.10.2019 08:43
Mathematics, 25.10.2019 08:43
English, 25.10.2019 08:43
Mathematics, 25.10.2019 08:43
Physics, 25.10.2019 08:43