What is the simplest form of matter that has a unique set of properties

How can substances in a compound and in a mixture be separated?

Why do hydrogen atoms accompany electrons as they are transferred in biological systems?

What is the electron configuration of silicon?

Why are fossils usually found in sedimentary rock instead of igneous or metamorphic rock?

Silver has two isotopes, 10747ag, which has a mass of 106.905 amu and a percent abundance of 52.00%, and 10947ag, which has a mass of 108.905 amu and a percent abundance of 48.00%. what is the atomic mass of silver?

What's the difference between volcano and vent

A marshmallow has an initial volume of 0.084 L at standard pressure (1.0 atm). If the marshmallow is placed in a vacuum chamber and the final volume is 0.785L, what is the pressure inside the chamber?

Can you think of another example of energy doing work fill out the table below with your idea

Write the net ionic equation for the reaction between agno3 (aq) and na2so4 (aq). be sure to include states of matter in your answer.

Witch compound has an element ratio of 2:1