GCSE WJEC The periodic table Metals, non-metals and metalloids The periodic table is a chart of all the elements arranged in increasing atomic number.

The elements investigated in the study were heavy metals and metalloids that are potentially toxic to humans and animals, such as cadmium, arsenic, lead, and chromium.

Researchers have identified new toxic metalloid-reducing bacteria in highly polluted abandoned gold mine tailings in Manitoba's Nopiming Provincial Park. Uncovering new bacteria with high ...

HYDERABAD: A major investment fraud estimated to be around Rs 50 crore came to light on Thursday when RC Puram police and the Economic Offences Wing of Cyberaba ...