How much does 1.2 moles of koh weight

Of the elements: b, c, f, li, and na. the element with the highest ionization energy is

Which of the following temperature is the coldest: 1) - 20 degree Celsius 2) - 20 degree Fahrenheit 3) 220 kelvin

What semimetal can form four single covalent bonds.

Sound waves require a medium to travel through, such as a solid, liquid or gas because A) waves cannot move through a vacuum. B) sound only works within certain pressures. C) waves only work within certain temperatures.

Which statement is true about a molecule? a) a molecule is identical to the component elements. b) a molecule retains the physical properties of the component elements. c) a molecule retains the chemical properties of the component elements.

A realistic representation of population growth is the?

Lithium-6 has a mass of 6.0151 amu and lithium-7 has a mass of 7.0160 amu. The relative abundance of Li-6 is 7.42% and the relative abundance of Li-7 is 92.58%.

Describe how the land and ocean nitrogen cycles are similar

How are solids and liquids different than gases in terms of volume changes

What type of bond is methane?