Respuesta :

GalaxyPrincess22

Answer:

4

2

1

3

Explanation:

jacksont4944

Answer:

1. Atom is the smallest particle of basic matter

2. O2 is the element with the same atoms (has 2 oxygens)

3. CO2 the element with 2 different atoms (2 oxygens and 1 carbon)

4. Element is the substance with only one type of atom

Explanation:

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