A volcano valley. Volcanic ash is a good sorce for fertilizer
Answer:
There are 8 valence electrons
Explanation:
I think C. Ionic compounds are very difficult to break apart because they are fully negative or positive charges, like magnets.
Answer:
Itching.
Nausea and vomiting.
Weight loss.
Fatigue.
Weakness.
Jaundice.
Swelling and pain in your stomach.
Dark-colored urine and/or light-colored stool.
Explanation:
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As per the rule, oxidation number of alkaline earth metals in their compounds is +2. Oxidation number of oxygen in it's compounds is -2(except peroxides) and the sum of oxidation numbers of all the elements of a neutral compound is zero.
