The oxidation state of an atom is the fictitious charge that an atom would have if all bonds between atoms of different elements were 100% ionic. Thus, oxidation is better defined as an increase in oxidation state, and reduction as a decrease in oxidation state.
Most babies take their first steps sometime between 9 and 12 months and are walking well by the time they're 14 or 15 months old. Don't worry if your child takes a little longer, though. Some perfectly normal children don't walk until they're 16 or 17 months old.
At 13 months, your baby may be walking on his own, but probably a bit unsteadily. If your baby still hasn't stopped cruising, it just means walking on his own is going to take a little longer. Some children don't walk until they are 17 months or 18 months old.ost babies take their first steps by their first birthday. By the time they're 15 months old, most toddlers are walking unaided, though often with uneven steps (Harding 2014, Sheridan 2008) . Try not to worry if your baby takes a little longer.