Question

At room temperature and pressure CO2;He;Steel;air;Oil;Marble;copper;water;sand;tin;bronze;mercurry ; salt. Are solid elements or a liquid elements ora gaseious maxture or a solid compound orgaseous element or

Answer 1

Answer:

Room temperature is a loosely defined term that can mean anywhere from 20°C to 29°C. For science, it's usually considered to be either 20°C or 25°C. At this temperature and ordinary pressure, only two elements are liquids:

Room temperature is a loosely defined term that can mean anywhere from 20°C to 29°C. For science, it's usually considered to be either 20°C or 25°C. At this temperature and ordinary pressure, only two elements are liquids:Bromine

Room temperature is a loosely defined term that can mean anywhere from 20°C to 29°C. For science, it's usually considered to be either 20°C or 25°C. At this temperature and ordinary pressure, only two elements are liquids:BromineMercury

Explanation:

PLEASE MAKE ME THE BRILLIANT