Which individual elements make up the
following common compounds?
• caco3
•
cacl2
•
c3h60
• hci
ca(oh)2
how many as well like h2o hydrogen + hydrogen+ oxygen

I’m pretty sure..
CaCo3 is a Calcium and a carbonate
CaCl2 is a calcium and a chlorine
C3H60 is three Calcium’s and 60 hydrogens
HCL is one hydrogen and a chlorine
Ca(OH)2 is one calcium and two hydroxides (OH-)

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later