What is the oxidation number for Ba?
A. +1
B. -2
C. +2
D. -1

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

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?

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never