Which of these pure elements would be dangerous to hold in the palm of your hand?

a. sodium

b. zinc

c. sulfur

d. gallium

Can you identify 2 characteristics of combustion reactions?

Why changes of state are considered physical transition and not chemical processes

How would you write and name the ions for tin?

The titration of an impure sample of KHP found that 35.00 mL of 0.050 M NaOH was required to react completely with 0.596 g of sample. What is the percentage of KHP in this sample

What is the function of a salt bridge in a voltaic cell? A. It provides salt for the reaction B. It prevents the reaction from proceeding to quickly C. It allows for the solutions to mix D. It completes the circuit I think D or B?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?

Describe the characteristic of chemical structure found at the core of each steroid hormone

A molecule has one carbon-carbon double bond and four monovalent atoms or groups. how many different geometric isomers exist for this molecule?

While waiting for your car to warm up one winter morning, you notice a liquid dripping from your tailpipe. You recently learned in chemistry class that combustion reactions occur in car engines.