Se ard 6g mg, p=80%
sa se determine
a) nr de moli de o2
b) volumul de o2
c) masa de mgo

One or more substances changing into one or more substances is an example of a

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas

If an atom has 12 protons and 13 neutrons