Which of the following will not have the same number of valence electrons?

carbon

silicon

lead

bismuth

What is turgor pressure

For the reaction 6Li + N2 - > 2Li3N What us the maximum amount of Li3B which could be formed from 7.87 mol of Li and 4.37 mol of N2? Answer in units of mol.

What law determines that chemical equations must be balanced? What does this law say?

What is the difference between an onion cell and the cheek cell

If you add 10mL of hot water to 10mL of cold water and the change in tempature 8°C calculate how much energy is gained by the cold water

Which statements correctly describe water boiling in a pot? Air bubbles from the atmosphere are being absorbed. The water's internal kinetic energy is increasing. The water is gaining internal potential energy. The water's temperature is increasing.

Biofuel is any fuel that is produced from living or once living matter in a short period of time, days, weeks, or even months.

How are revolution and year related

Read the scientific question below. "Does sunlight make plants live?" What is a likely hypothesis for the question?

A chemist is using a solution of HNO3 that has a pH of 3.75. What is [H+] for the solution?