Foundations in Chemistry Random Retrieval

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Foundations in Chemistry Random Retrieval

This quiz contains all the questions in the Foundations in Chemistry section. The website will pick 10 questions at random.

1 / 10

In the half equation: MnO4- (aq) + 8H+(aq) + ne- -> Mn2+(aq) + 4H2O(l) the value of n is:

2 / 10

The amount in moles of iodide ions oxidised by one mole of chlorine molecules is:

3 / 10

What is the volume of 0.020 mol oxygen at 27oC and 100 kPa pressure given that the value of the gas constant R = 8.31 J mol-1K-1?

4 / 10

Which of these molecules are overall non-polar?

(i) H2O

(ii) CO2

(iii) SO2

(iv) CCl4

5 / 10

Which of these elements consist of a giant structure of atoms joined by covalent bonding?

(i) graphite

(ii) sulfur

(iii) diamond

(iv) iodine

6 / 10

What is the electron configuration of an oxide ion?

7 / 10

A 20.0 cm3 sample of barium hydroxide solution, Ba(OH)2(aq), was neutralised by exactly 18.0 cm3 of 0.10 mol dm-3 hydrochloric acid, HCl(aq). What was the concentration of the barium hydroxide solution?

8 / 10

What is the mass of 0.00400 mol of sodium hydrogensulfate?

9 / 10

What is the electronic configuration of sulfide? Enter your answer in the following format 1s2 2s2 etc. (note the space between each sub-shell!) Follow the aufbau order of sub-shell filling.

10 / 10

The particle with 3 protons, 4 neutrons and 2 electrons is a:

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