Answer:
A
Explanation:
The answer A is the best answer because it contains the most general characteristic of a chemical change.
Before making a hypothesis, a scientist should make observations and conduct research.
I hope this helps.
Answer:
Bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves. ...
Explanation:
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Answer:
. .
: Ne :
. .
Explanation:
Let's take Neon as our example. In the Lewis dot structure, each dot corresponds to an electron in the valence shell of the atom. All atoms like to have a full valence shell. By the octet rule, this means that they need 8 electrons total to be electronically satisfied. Noble gases all have a full valence shell in their natural state. This is why they are inert, as they do not need extra electrons to be electronically satisfied.
