Lab Technique: In the experiment, you can raise the reaction temperature by
You can increase the surface area by

The answers are using a hot plate and breaking the tablet into smaller pieces.

Explanation: Got it right on edg.

1.using a hot plate

2. breaking the tablet into smaller pieces.

Explanation:

it's all four options.

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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~ trueboss72