Answer:
Atoms models are bigger but they don not match the true or positive way of atoms. to make them visible scientists make their models that resembled with the real ones.
Explanation:
Molecules are microscopic entities and only can be seen under a microscope.
Answer:
the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
Explanation:
G o o g l e
10 Ne:
1s², 2s², 2p⁶
Answer C
hope this helps!
-delta H symbolises an exothermic reaction. Hence, it gives off heat. Reversely, it would absorb heat.
Answer:
B. They all have the same properties.
Explanation:
For example....they contain nucleus in their center.