Question 1 (10 points) question 1 unsaved according to this chemical formula. all of the following elements are found in phosphoric acid except _phosphoric acid 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