Answer:
Elements
Explanation:
The <u> elements</u> which are represented by a single uppercase letter, or represented by an uppercase letter followed by a lowercase letter. This tells you the types of <u>elements</u> in the compound.
Elements are one of the simplest chemical substances that cannot be decomposed in a chemical reaction or by any chemical means. They are made up of small indivisible particles called atoms, all having the same number of protons.
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Chromatography A process use mixed liquid
Silver Nitrate they are the most soloable and make salt as a result
Answer:
The answer to your question is Ca
Explanation:
Ne has its octet completed so, this option is wrong. Neon is stable.
C Carbon has 4 valence electrons not 2, it should lose 4 electrons to complete an octet, so this option is wrong.
N Nitrogen has 5 valence electrons not 2 , so it should gain 3 electrons to complete an octet.
Ca Calcium is the right answer it has to electrons in its outermost shell, it have to lose 2 electrons to complete an octet.
