False, iron atoms are converted to iron oxide
False. Mount Vesuvius destroyed Pompeii and Herculaneum, but never threatened Rome.
FALSE. It is in fact the other way around. A molecule consists of two atoms or more kept together by chemical bonds.
False, a Hydrogen has 1 electron and Oxygen has 8 electrons
true
This is false. Transfer of electrons produces an ionic bond.
False. When iron rusts, iron atoms are not destroyed. Instead, iron atoms combine with oxygen in the presence of water to form iron oxide (rust), which causes the iron to corrode.
False
false
False
false
false: matter cannot be destroyed
False. Mount Vesuvius destroyed Pompeii and Herculaneum.
False. Mount Vesuvius destroyed Pompeii and Herculaneum, but never threatened Rome.
True
True
false. atoms can either be fused or defused in all chemical reaction.
False. Number of neutrons.