Chemistry, 10.09.2019 03:30 nadiareese
Describe the characteristics that identify a sample of matter as a substance
Answers: 3
Chemistry, 22.06.2019 15:10
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Answers: 1
Chemistry, 22.06.2019 19:10
Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.
Answers: 3
Chemistry, 22.06.2019 22:00
Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope
Answers: 1
Chemistry, 23.06.2019 02:00
What is the difference between a substance "getting wet" and "being dissolved" in a liquid at the particulate level?
Answers: 3
Describe the characteristics that identify a sample of matter as a substance...
Biology, 28.06.2021 04:00
Social Studies, 28.06.2021 04:00
Social Studies, 28.06.2021 04:00
Mathematics, 28.06.2021 04:00
Mathematics, 28.06.2021 04:00
Mathematics, 28.06.2021 04:00
Mathematics, 28.06.2021 04:00
Social Studies, 28.06.2021 04:10