If element x has 25 protons, how many electrons does it have?

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?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Identify the decay mode particle emitted from the th 234