articles

Hydrogen is a colorless gas with an atomic number of 1 and an atomic weight of 1.008. Hydrogen has a melting point of minus 259.2 degrees Celsius and a boiling point of minus 252.762 degrees Celsius. More »

www.reference.com Science Chemistry Atoms & Molecules

The sun is the star that makes life on Earth possible. Comprising over 99 percent of the mass of the solar system, the sun is a G2 main sequence star. This means the sun is cool compared to other types of stars and that ... More »

www.reference.com Science Astronomy Our Sun

The chemical formula of household bleach is NaClO. Its chemical name is sodium hypochlorite. More »

www.reference.com Home & Garden Cleaning Cleaning Products
similar articles

Krypton is a noble gas with an atomic number of 36 and a standard atomic weight of 83.79. Other chemical properties of Krypton include a heat of fusion of 1.63 kilojoules per mole. More »

www.reference.com Science Chemistry Atoms & Molecules

To calculate the molecular weight of diethyl ether, determine the molecular formula, find the atomic weight of each atom, multiply the atomic weight the atom by the number of atoms of the element in the molecular formula... More »

www.reference.com Science Chemistry Atoms & Molecules

Periodic law, also known as Mendeleev's law, is the concept that the chemical and physical properties of elements are based on an element's atomic weight when arranged by increasing periodic atomic number. Periodic law w... More »

www.reference.com Science Chemistry Atoms & Molecules

To draw a Bohr model of an atom, first find the number of protons, neutrons and electrons in the atom from its atomic weight and atomic number. After that, place the neutrons and the protons in the nucleus, and draw the ... More »

www.reference.com Science Chemistry Atoms & Molecules