All the isotopes of plutonium has 94 protons and 94 electrons. For the number of neutrons of a specified isotope: number of neutrons = rounded atomic mass of the isotope-atomic number (or protons number).
Canada thistle can be killed with either Roundup or 2,4-D weed killers. These weed killers will kill back the leaves on the plant and will kill back some of the root system. The best time to apply these weed killers is on sunny days when the temperatures are between 65 and 85 degrees F. (18-29 C.).hese weed killers will kill back the leaves on the plant and will kill back some of the root system. The best time to apply these weed killers is on sunny days when the temperatures are between 65 and 85 degrees F. (18-29 C.).
Hereâs what to do: 1  Combine 1 gallon white vinegar, 1 cup salt and 2 TBSP blue dawn dish soap. 2  Once all the ingredients have been mixed well pour mixture into a spray bottle. 3  Spray poison ivy. Be careful not to get it on your other plants because this mixture will kill anything you spray it on! There you have it, the simple solution for how to kill poison ivy! If you want to have the greatest {deadly} effect it is best to spray the ivy during the dry seasons so it doesnât get washed off by the rain.