The answears are in the attached photo.
Answer:
Osmium
Explanation:
The metals conduct electricity the best, in this question the metal would be osmium.
Answer:
If you need to smell the odor of a chemical, waft or fan the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.
Do not touch, eat, or smell any chemical unless instructed to do so. ... Hold chemical containers away from your body. Carefully check the label on the bottle before using its content.
Answer:
Temporary in nature.
No new substance is formed.
Explanation:
Temporary in nature: Does not affect the internal structure of a substance, only the molecules are rearranged.
No new substance is formed: Most of the physical changes are reversible. We can obtain the substance back even after the change.
hope this helps
have an awesome day -TJ
<span>A. Missing part is ⁴He₂
You can also calculate it by adding/subtracting for atomic mass & atomic numbers
Hope this helps!
</span>