Answer:
The answer to your question is below.
Explanation:
Hydrogen is located in group IA of the periodic table, then its valence number is 1.
Carbon is located in group IVA, then it has 4 valence electrons.
O2 isn't necessary for rusting, but some source of oxygen is required. Rust is just another name for iron oxide, and without oxygen there can't be oxide.
Hope this helps,
Davinia.
a
We should change it to mol and then ×Number of Avogadro
Answer: unlike, will not scatter
Explanation:
Colloids are unlike solutions because their dispersed particles are much larger than those of a solution. The dispersed particles of a colloid cannot be separated by filtration, but they scatter light, a phenomenon called the Tyndall effect.
