Answer:
D.
Explanation:
Decompostion of stone due to acid rain
<span>it tells you the sequence in which events occurred, not how long ago they occurred.</span>
Answer:
B) As you move across the row, the number of electrons increases and reactivity also increases.
Explanation:
The periodic table is arranged in a way that if you go across a period, the number of protons, neutrons, and electrons in an element increases. In terms of reactivity, the most reactive elements are the ones which have a high electronegativity. The electronegativity of the elements increases as you travel to the right and upwards on the periodic table.
Answer:
It is true answer. Ozone = O3
