Im being timed someone pls help
i have 3 minutes
1.) Name a metal and explain how the physical properties of this raw metal help change it into common household items?

2.)What is one chemical property Rb and Cu have in common?

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll