MnO2 is the formula for manganese (4) dioxide
Answer:
Your answer here is B. Add water and the wooden beads will float.
Explanation:
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Hydrogen- and Oxygen Atoms combine to form a whole net molecule called H20 (Water), which has completely different properties and pure water can't ignite
As you move down a group, first ionization energy decreases. Electrons are further from the nucleus and thus easier to remove the outermost one