What is the IUPAC name for the compound H2Cr20

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

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils