Given the electron configuration: 1s22s22p63s23p64s23d104p65s24d9 Select the correct element

a. Cd
b. Cu
c. Zn
d .Ag

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

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