Me out? chemistry-chemical changes which of the following is not true of chemical changes? (2 points) flammability and decomposition are examples of chemical changes. chemical changes involve a rearrangement of atoms to form new substances. chemical changes can often be identified by the formation of a gas or a solid or the release of heat. nothing is altered at the molecular level during a chemical change.

How many atoms are there in 5.70 mol of mg

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

Will mark brainliest how many electrons can be held in the energy level n = 4?