Periodic Table

Horizontal rows on the periodic table are called

What's the name for elements in group 7A (17)? 

Order the following from smallest to largest atomic radius (size): Be, Mg, Ca, Sr, Rb

Order the following elements from lowest to highest reactivity: Rb, K, Li, Na

Order the following from smallest to largest atomic radius (size): Ne, O, S, Se

Why does atomic radius decrease as you go across a period?

Potassium has how many energy levels?

What two blocks make up the main group elements?

Elements whose electron configurations end in s¹ are called

Order the following elements from smallest to largest atomic radius (size): Na, P, Mg, Cl

Beryllium is classified as a(n) 

How many valence electrons does an atom of oxygen have?

What force of attraction do the outer electrons of a Boron atom feel?

Order the following from lowest to highest reactivity: Sr, Ca, Mg

The most reactive metals are in group

How do the trends of atomic size and ionization energy relate?

Order the following from lowest to highest reactivity: Br, I, F, At

Order the following from lowest to highest ionization energy: Ne, O, S, Se

Why is the organization of the periodic table useful? 

Order the following elements in order of increasing electronegativity: Li, Be, K, Na

In period 3, as atomic numbers increase, the pattern according to which properties change is

What is the abbreviated electron configuration for Scandium (Sc)?

Elements in the d-block of the periodic table are called

Order the following elements in order of increasing electronegativity: Si, S, Cl, Na

Which of these elements would have chemical properties much different from the others?

The amount of energy that it takes to completely remove an electron from an atom is called

Order the following from smallest to largest atomic radius (size): C, O, N, F

See image.

Order the following elements in order of increasing electronegativity: B, Ga, Al

The two rows of elements at the bottom of the periodic table are called

How many valence electrons does a halogen have? 

Which compound contains an alkali metal and a halogen?

Vertical columns on the periodic table are called

What are the most unreactive elements?

What is the abbreviated electron configuration for Tungsten (W)?