Will mark brainliest to first response

which equation is balanced?

2al+3o2→al2o3
2mg+o2→2mgo
al+3f2→alf3
na+f2→2naf

What was the procedure by which case united states vs lopez went to court

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride