<span><span>4.2×1022</span>NA</span><span> N_{A} is the avagadro number</span>
Answer:
C i took the test as well and i reambee i lern this in class
Explanation:
Hope it helps and mark me brainlest answer
Answer:
Wegener discovered that the Appalachian Mountains of the eastern United States, for instance, were geologically related to the Caledonian Mountains of Scotland. Pangaea existed about 240 million years ago. By about 200 million years ago, this supercontinent began breaking up
Atoms form chemical bonds with other atoms when there's an electrostatic attraction between them. This attraction results from the properties and characteristics of the atoms' outermost electrons, which are known as valence electrons.
