Match the following solutions in column A with their descriptions in column B. Column A
Li3PO4

Ba(OH)2

NH3

HCOOH

HBr

C12H22O11

Column B
A. Turns red litmus paper blue and is very conductive

B. Turns blue litmus paper red and is very conductive

C. Has a pH less than 7 and is slightly conductive

D. Has a pH greater than 7 and is slightly conductive

E. Has a pH of 7 and is a non electrolyte

F. Has a Ph of 7 and is conductive

- calcium has greater affinity to bond with electron receptors than hydrogen does and hence, it has the ability to replace hydrogen in most of its compounds.

- lithium has 2 valence electrons in the product because it can make only 1 bond with hydrogen. beryllium has 4 valence electrons in the product because it can only make 2 bonds. it has fewer electrons than neon and can react with electron donors. each hydrogen has 2 valence electrons, the same as helium.

- the covalent bond formed between carbon and hydrogen is polar because carbon is more electronegative than hydrogen and it attracts the bonded electron pair closer to itself, thus giving hydrogen a partial positive charge.

- a hydrogen bond is a relatively weak bond that hydrogen atoms make with the electronegative atoms nitrogen, oxygen or fluorine.

so the best choice is a.) 2 calcium (ca) atoms

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