Identify an anion. an atom that has gained a proton. an atom that has gained an electron. an atom that has lost an electron. an atom that has lost a neutron and a proton

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

Name the element in group 17, period 2. (periodic table)

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