Answer:
C. Francium
Explanation:
Bromine is diatomic, and A + B are polyatomic ions. C is the right answer
The answers that apply are;
- gas molecules are closer together
- air weighs more
- air is hotter
When air is compressed, it means the same volume of space is occupied by more air molecules. This, therefore, means that the molecules are hitting each other with a higher frequency hence become hotter with more compression. It weighs more because there are more molecules in the same volume of space.
The household substances that will turn blue litmus paper red are: A) bleach and D) Vinegar. This is because bleach contains acidic solutions; and vinegar contains a percentage of organic acids for example, acetic acid.
Pollution costs
Wind turbines when isolated from the electric grid, produce negligible amounts of carbon dioxide, carbon monoxide, sulfur dioxide, nitrogen dioxide, mercury and radioactive waste when in operation, unlike fossil fuel sources and nuclear energy station fuel production, respectively.