Watchdog Group Calls for Sanctions against Importers of Banned Lead Paints 1 August 2025, Quezon City.  The toxics watchdog ...

The Lead Radius Experiment collaboration, called PREx (after the chemical symbol for lead, Pb), is studying the fine details of how protons and neutrons are distributed in lead nuclei.

Based on the laboratory test results, all 31 paints contained lead above 90 ppm, the maximum limit for lead in paint products under the DENR A.O. 2013-24, or the Chemical Control Order (CCO ...

Symbol equations are a quick way of representing chemical reactions. They show us what atoms are involved and how they are bonded together. Symbol equations always take the form, reactants → ...