Determine which type of property each statement describes by typing “physical” or “chemical” in the blank. hydrogen is a colorless, tasteless, and odorless gas. hydrogen is very combustible in the presence of oxygen. hydrogen is very reactive with most elements. hydrogen is the least dense of all elements.

Hydrogen is a colorless, tasteless, and odorless gas.  

physical

Hydrogen is very combustible in the presence of oxygen.  

chemical

Hydrogen is very reactive with most elements.  

chemical

Hydrogen is the least dense of all elements.  

physical

Explanation:

it doesn't. it was imagined up in the middle ages.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.