| Hint | Answer | % Correct |
|---|---|---|
| A nonmetal | ✓ | 100%
|
| A metal | ✓ | 100%
|
| … which has 2 valence electrons as an atom | ✓ | 90%
|
| … which is solid in its standard state | ✓ | 80%
|
| … which is in the d-block | ✓ | 80%
|
| … whose highest principal energy level is 4 | ✓ | 70%
|
| An f-block element | ✓ | 67%
|
| … which is in period 7 | ✓ | 67%
|
| … which forms blue or green solutions, depending on its oxidation state | ✓ | 63%
|
| … which has an atomic mass higher than 250 amu | ✓ | 60%
|
| … which is named after a famous scientist | ✓ | 60%
|
| … which has at least 4 principal energy levels | ✓ | 53%
|
| … whose atomic number is less than 100 | ✓ | 50%
|
| … which forms a compound with calcium in a 1 to 1 ratio | ✓ | 43%
|