Answer:
False
Explanation:
Not all molecules are compounds, since some molecules, such as oxygen gas (above image of molecule of-O2) or ozone (O3), consist only of one element or type of atom. Water is also a molecule because it is made from atoms that have been chemically combined.
Answer:
Explanation:
(4) A does not burn in air, and B does burn in air is your answer. Flammability is a chemical property while the rest of these are physical properties.
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As you move from left to right across a period,the number of valence electrons<span>-increases. </span>
Śhüt ûp and go pay attention in your class
