PLEASE HELP!! How many milliliters of a 0.125M sodium carbonate solution would be needed to precipitate the calcium ion from 37.2 mL of 0.1 05 M CACL to solution

There are main groups in the modern periodic table of elements

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

I’m an electrically neutral atomic any element, there are equal numbers of