If an electrically neutral atom has 57 protons how many electrons does it have?

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

How can you use chemical equations to predict the products of the reaction you can carry out?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: