Next, the chemist measures the volume of the unknown liquid as and the mass of the unknown liquid as .

See explanation.

Explanation:

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In this case, you have a given volume and mass and a table showing the density of several liquids. In such a way, since you did not provide the data and there are several data on the ethernet, I'm going to demonstrate the procedure to compute the density and consequently identify the liquid:

1. With the given data compute the density by using its formula:

The suitable units could be kg/L, g/cm³, g/mL or kg/m³, therefore, you must express the result in the units given for the liquids.

2. Secondly, you take a look and compare the obtained density with the densities of each liquid.

3. Finally, you state the unknown liquid by matching the densities.

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- 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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