The History and Arrangement of the Periodic Table Answers

What elemental classification does oxygen belong to? ✔ nonmetalsemimetalnoble gasX alkaline earth metal

What is the boiling point of gold? 1064.43°C✔ 2970°C1313°C3266°C

What is silicon used for? matchesgunpowder✔ glasssteel can coating

Room temperature is around 25°C. What is the state of matter of bromine? X gassolid✔ liquidsynthetic

How many orbital blocks are represented in this periodic table? 123✔ 4

What block does sodium belong to? ✔ s-blockp-blockd-blockf-block