What is an atom called if the number of electrons is changed

What is it called rocks are broken in smaller pieces

How much nh3 can be produced from the reaction of 74.2 g of n2 and 14.0 moles of h2?

Which compound when stirred in water will not pass through filter paper? a. NaCl b. NH4S

Why do scientists use frequencies in the VHF range? a. It is the same frequency of many animal calls b. It can travel long distances c. It doesn't hurt animals d. Most animals don't make sounds in that range

a piece of metal is heated to 100℃ and placed into 75.0g of water in a coffee-cup calorimeter. Initially, the temperature of the water in the calorimeter was 23.1℃. The final temperature of he system was 30.6℃.

An ideal gas will occupy 22.4 L at standard temperature and pressure. What is this volume in cubic centimeters? - cm3

When placed in a freezer, liquid water turns into ice. What best describes this change?

Which of the following has only one loop for a current to flow through A) parallel B) series

What are three steps scientist take to evaluate a scientific explanation

What is the Definition of ionic? (It is a science term)