Which property is best to use when determining the strength of an ionic bond in a solid?

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?