The equivalence point during titration of an acid with a base may not occur at a pH of 7.0 because 1. if a strong acid or base is used, it is completely ionized and therefore not neutral. 2. the indicator may be one that changes color at some other pH. 3. The statement is false; the pH must be 7.0 at the equivalence point. 4. hydrolysis of the salt produced may make the solution acidic or basic. 5. A solution containing a weak acid or a weak base could never be neutral

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.

alkaline metals are lithium, sodium, rubidium, potassium, cesium and francium.

alkali metals have electronegativity from 0.7 to 1, lowest in periodic table of elements, which means that alkali metals (i group in periodic table) has positive oxidation number in compounds.

electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

alkaline metals (far left in main group) have lowest ionizations energy and easy remove valence electrons,

for example, potassium is the alkali metal and has a single valence electron in the outer electron shell.

electron configuration of potassium is: ₁₉k 1s²2s²2p⁶3s²3p⁶4s¹.

they can not exist alone in nature, because they are very reactive.

answer: i dont know the answer but this might

explanation:

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