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Benchmark review
| Question | Answer |
|---|---|
| what is the correct temperature for melting point in Celsius. | 0 degrees. |
| what is the correct temperature point for boiling point in celsius | 100 degrees. |
| what is the correct temperature for melting point in kelvin. | 273 kelvin. |
| what is the correct temperature point for frezzing | 32 |
| What is the correct symbol for nitrogen | N |
| Does the period go up and down or left to right. | Up and down. |
| Can density float on one another. | Yes |
| How many outer electrons do their atoms have? | The elements in each group have the same number of electrons in the outer shell. |
| What is another name for noble gases | Inert gases |
| Which of these metals is a liquid at room temperature? A.Beryllium B.Lithium C.Mercury D.osmium | C. Mercury. |
| What are lanthanides | a series of metallic elements |
| What is a proton | A proton is a subatomic particle |
| What is a actinide | A Actinide series contains elements with atomic numbers 89 to 103 |
| What is the correct meaning for a group | it is a column of elements |
| what is the correct meaning for a solid. | a substance or object that is solid rather than liquid or fluid. |