B is true if we subtract atomic number(the number of protons )from the mass number
we can find neutrons.
hope this helps
Answer:
Acids are water-soluble and acidic chemical compounds, often expressed as the general formula HₓA.
I think it’s c cause height is what determines gravitational potential energy
Answer:
1. The graph where x axis and y axis are present is called coordinate.
4. 18
Solutions 1 and 3 because they are strong acids and a strong base. <u>Option A.</u>
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Strong acids and strong bases are completely ionized in an aqueous solution. Weak acids and weak bases also ionize, but only partially and the reaction is reversible. So you know if an acid or base is strong or weak. A simple way to determine strength is to add the acid or base to water. A higher reactivity means a stronger acid or base.
One of the simplest tests to determine whether a solution is an acid or base is the litmus paper test. To do this, dip a special strip of paper so-called litmus paper into the solution and observe the color of the paper. Litmus paper turns red in acidic solutions and blue in basic solutions. Sodium hydroxide is the strongest base because it completely dissociates to form sodium and hydroxide ions. These hydroxide ions are further treated with hydrogen ions by an acid to completely ionize the hydrogen ions.
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