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what is atom
smallest building uint of matter
..................... is a positively charged particles that exists inside the nucleus
proton
.................... is a negatively charged particle that revolves around the nucleus
electron
.................... is the location of electrons around the nucleus
electron cloud
what is the building unit of living organism?
cell
a neutral particle inside the nucleus of an atom?
neutron
C is the symbol for ?
carbon
Na is the symbol for.......................
sodium
H is the symbol for ......................
Hydrogen
O is the symbol for .....................
Oxygen
the DNA is found in the cell's ...................................
nucleus
why do you think the atom is neutral?
because the positive protons are euqal in number to the negative electrons
