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.).
SAFERâS TROUNCE LAWN & TURF INSECTICIDE CONCENTRATE Kills chinch bugs, ants and earwigs GUARANTEE: Potassium salts of fatty acids 20.0% Pyrethrins 0.2% REG.dd 50 mL of Saferâs Trounce concentrate to 1 litre of water. Mix thoroughly. DIRECTIONS: LAWN INSECTS: To kill chinch bugs, ants and earwigs. Spray insects to wet when they first appear. Thorough coverage is essential for effective control. Repeat 10-14 days later if necessary.