Answer:
A compound by definition contains at least 2 different kinds of atoms. A Hydrogen molecule contains only one kind of atom, 2 hydrogen atoms
440 mm is equal to 4.4 dm
1) theory
2) law
3) hypothesis
Explanation:
edge 2021
silica + aluminum or silica +magnetism
1,31÷2 =10,11
c10h22+31÷2o2=10co2+11h2o