Is beryllium a solid, liquid, or gas at room temperature?

A mole is defined as the amount of a substance whose mass in grams equals the atomic, molecular, or formula-unit mass in units. Example 1: Water ($"H"_2"O"$) has two hydrogen...

What do these data suggest?

Neon is a gas at room temperature. A good way to be able to tell right away by looking at a periodic table is that gases are on the right...

is commonly used in many materials. Because it is fairly lightweight it is commonly used as a material in alloys.

The melting point of platinum is about $1770^@C$

Oxygen has a melting point of 54.36 K ​(−218.79 °C, −361.82 °F) and boiling point of 90.19 K ​(−182.96 °C, ​−297.33 °F). Since room temperature is taken at 298K (25...

Xenon is a noble gas (Group 18/VIIIA) and all noble gases are in the gas phase at room temperature.

While radon is an inert gas, it is an unstable nuclide with the half life of its common isotope, $""^222Rn$, under 4 days. As chemists, we are more interested in...

The boiling point of hydrogen is $−252.879 °"C"$ at standard pressure. To get hydrogen to the liquid state, the temperature must be below its critical temperature of $"33 K"$ or...

I am betting that it is $63.5$ $""^@C$. So what is its state at room temperature?