Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...
AZoM on MSN1d
20 Years of Discovery: How Has the Periodic Table Changed Over Time?
The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...
BBC2d
Halogen displacement reactions [Higher tier only]
When chlorine (as a gas or dissolved in water) is added to sodium bromide solution, the chlorine takes the place of the bromine. Because chlorine is more reactive than bromine, it displaces ...
SciELO4d
EXPLORING INTERNAL STANDARDS AND MATRIX MATCHING FOR LANTHANIDES DETERMINATION IN TEA BY LA-ICP-MS
Operating conditions of LA-ICP-MS and USN-ICP-MS, and monitored isotopes are summarized in Table 1. Mint tea (Mentha spicata) sample (in sachets) was purchased in a local market. The tea was taken ...
Frontiers5d
Efficient implementation of analytical gradients for periodic hybrid functional calculations within fitted numerical atomic orbitals from NAO2GTO
The NAO2GTO scheme provides an efficient way to evaluate the electron repulsion integrals (ERIs) over numerical atomic orbitals (NAOs) with auxiliary Gaussian-type orbitals (GTOs). However, the ...
Queen's University Belfast1d
Microbiology with Professional Studies
Microbiology is the study of bacteria, fungi, algae, protozoa and viruses, and is of immense importance in relation to the environment, agriculture and food, biomedical sciences and biotechnology.
Queen's University Belfast3d
Chemical Engineering
Chemical Engineering is concerned with the design and operation of processes which convert materials and energy into the higher value products we use every day. It understands the processes which ...