Quiz note: it is recommended that you save your response as you complete each question. question 1 (10 points) question 1 unsaved according to this chemical formula _image result for phosphoric acid. all of the following elements are found in phosphoric acid except question 1 options: a. hydrogen b. oxygen c. phosphorus d. potassium question 2 (10 points) question 2 unsaved which of the following is not a subatomic particle? question 2 options: a. proton b. neutron c. electron d. nucleus question 3 (10 points) question 3 unsaved which element listed below is considered an alkaline earth metal? question 3 options: a. oxygen b. magnesium c. chlorine d. hydrogen question 4 (10 points) question 4 unsaved metals are ductile. this allows them to question 4 options: a. be pulled into long wires b. conduct electricity c. melt quickly d. be used to cover floors question 5 (10 points) question 5 unsaved carbon-14 and carbon-12 have the same number of protons but a different number of neutrons. these different forms of the same element are question 5 options: a. radioactive b. isotopes c. nuclei d. tracers question 6 (10 points) question 6 unsaved which of these statements is not true? question 6 options: a. molecules arc made up of atoms. b. protons are smaller than quarks. c. atoms are larger than protons. d. protons are made up of quarks. question 7 (10 points) question 7 unsaved the difference between fission and fusion is question 7 options: a. fusion is the splitting of a nucleus b. fission is the joining of two nuclei c. fission is the splitting of a nucleus d. there is not a difference question 8 (10 points) question 8 unsaved the vertical columns on a periodic table are known as the periods and the horizontal rows are known as groups. question 8 options: true false question 9 (10 points) question 9 unsaved the number 35 represents the bromine question 9 options: a. the atomic mass of the element. b. the number neutrons for the element. c. the atomic number of the element. d. the number of protons and neutrons for the element. question 10 (10 points) question 10 unsaved all of the following are examples of radioactive decay except which of the following question 10 options: a. alpha b. gamma c. deka d. beta
Answers: 1
Biology, 22.06.2019 00:30
Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.
Answers: 3
Biology, 22.06.2019 03:00
How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half
Answers: 2
Biology, 22.06.2019 07:00
Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false
Answers: 1
Quiz note: it is recommended that you save your response as you complete each question. question 1...
History, 22.06.2021 18:30
Mathematics, 22.06.2021 18:30
Mathematics, 22.06.2021 18:30
Mathematics, 22.06.2021 18:30
Mathematics, 22.06.2021 18:30
English, 22.06.2021 18:30