2) the number of protons in the atomic nucleus ( also known as the atomic number ).
Elements will permanently have the same number of protons in their nuclei. Changing the proton number, by even just 1 proton, means a whole new element.
-In chemical reactions, the number of electrons will constantly change. -The number of neutrons can change too (the definition of an isotope is: an atom of the same element with the same number of protons but different number of neutrons).
-The number of isotopes doesn't necessarily identify an element. More than one element can have the same number of isotopes.
-The number of charges only tells us what group the element is in the periodic table, not the specific element itself.
Hope it helps!!
Anion means negatively charged ion.
Among Ar, K, Al and O, only O forms anion.
Hope this helps!
2. They taste sour, are electrolytes, and react with active metals to produce hydrogen.
3. You should NEVER taste unknown chemicals because many are poisonous and can destroy body tissue.
4. Most often dyes are used to detect acids. The dyes will turn a certain color which indicates the presence of an acid.
10. You can use litmus to detect wether a solution is a base or an acid.
11. The most common bases I can think of would be: baking soda, laundry detergent, or soaps.
12. Antacids work by neutralizing the acids in your stomach.
13. When an acid and base are mixed together, they produce a salt.
14. Normally pH meters are used, but you can also calculate the pH using math. (yuck)
15. The pH scale measures how acidic or basic a substance is. It ranges from 0-14, with 7 being neutral.
17. pH is very important to the environment as it helps us measure and monitor for safe water conditions. A rise or fall from the average water pH level can indicate chemical pollution.
18. Salt is formed when an acid and base react with each other. It then has a cation of the base, and anion of the acid.
I hope those helps!! (:
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Answer:
maybe the person got tired of eating banana or she could have tripped on a banana peel and then they hate banana hope this helps or give you an idea