What is the identity of the atom shown?
a) argon
b) bromine
c) chlorine
d) nitrogen

Which substances have the lowest melting points: ionic covalent, or metallic

Identify two types of chemical bonding in the source of dietary potassium

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process