representation of an atom. mass number, atomic number and symbol of the element.
Palabras clave
abstract,
art,
atom,
atomic,
background,
basic,
black,
charge,
chemical,
chemistry,
concept,
definition,
design,
diagram,
education,
educational,
electron,
element,
element,
illustration,
isolated,
isotope,
letter,
modern,
neutron,
notation,
nuclear,
nucleus,
number,
physics,
poster,
proton,
quantum,
science,
scientific,
script,
signs,
simple,
structure,
student,
study,
symbol,
teacher,
technology,
university,
vector,
weight,
white,
x
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