It has variable oxidation states.-the answer is b. it has variable oxidation states.. the oxidation states of z increases from +2 in zo to +3 in z2o3, which exmplifies its variable oxidation states...Read More
They all have valence electrons in the f-orbitals.-the answer is d. by working out the electronic configurations of some of the elements, you will realize that they all have valence electrons in the...Read More
Fluorine-you got tricked!The answer is a. fluorine.why??? Shouldnt the more reactive halogen displace the less reactive ones? Heres why. from question 7, you know that fluorine is the most powerful...Read More
Atomic radius increases down the group.-c. atomic radius increases down the group is the answer.this is because the greater the atomic radius, the further away the valance electrons, hence the...Read More
