The number of electrons in the outermost shell of an atom determines its physical and chemical properties. All elements are most stable with 8 electrons (an octet) in their outer shell.
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Some of the symptoms from swallowing hydrochloric acid:
<span><span>
</span></span><span><span>-Abdominal pain
</span>-Breathing difficulty due to swelling of throat
-Chest pain
-Drooling
-Fever
-Mouth pain
-Rapid drop in blood pressure
-Throat pain <span>
-Vomiting blood</span></span>
Answer:
The total number of atoms is 12 + 22 + 11 = 45, so carbon atoms are 12/45 of the total.
Explanation:
Answer:
catalyst
Explanation:
this help toalter or speed up the rate of reaction could be the most to slow it
first one, nerve cells are used to send messages from different parts of the body to the brain.
