Your employer is required by law to report. within 7 days of when you report your. accident or injury. If they do not do this, and they do not give you a phone number. for the insurance company to call, you can. call the workersâ compensation (WC) hotline for assistance at.
In A Nutshell. Atoms are the smallest pieces of matter; they are made of particles (protons and electrons). When atoms are grouped together, these groups are called molecules (the smallest pieces of compounds). You probably think of atoms, molecules, and particles as all being extremely small pieces of matter.
A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms, which are bond together like little magnets. The atoms consist of matter that has a nucleus in the centre. The difference between atoms is expressed by atomic numbers.