wood with a mass of 3.0 grams was burned in an open dish. The ashes weighed 1.2 grams.
What happened to the rest of the wood? B
A

The rest of the wood was burned into gases of equivalent weight.

Explanation:

The rest of the wood was burned into gases of equivalent weight.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

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