Which statements correctly describe elements? Select all that apply. A. Elements and atoms are the same thing,

B. An element is categorized by thmber of protons in one of its. atoms.

C. Elements can gain or lose electrons from their atoms.

D. An element can have atoms with different numbers of protons
.
E. Elements are smaller than atoms.

An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Consider this initial-rate data at a certain temperature for the reaction described by