Periodic Trends

How does the number of valence electrons change down a group in the periodic table?

Which of the following is most stable?

Why is there a greater atomic size as you go down the periodic table?

The amount of energy it takes to removed a valence electron is

Which of the following is a metalloid?  

Why did the noble gas cry?

The atomic radius

A group is the same thing as

Which of the following families would not be included in the representative elements?

What is the electron configuration of the halogens?

Which of the following has the lowest electronegativity

Each period in the periodic table corresponds to

Electronegativity 

Which best explains why cations are smaller than the atoms from which they are formed?

Which of the following elements does not have 5 valence electrons?

Mg has an oxidation number of

Which of the following is largest?

Why does the ionization energy lower as you move down?

Which of the following is a noble gas?

How does electronegativity change from left to right across the periodic table?

How does atomic radius change down a group in the periodic table?

Why is the radius of a negative ion always greater than the radius of its neutral atom?

Chlorine is a 

Why is the radius of a positive ion always less than the radius of its neutral atom?

How does electronegativity change down a group in the periodic table?

What do you call a clown who is in jail?

A period is a 

The chalcogen family is another name for 

A cation has a _____ charge