| A | B |
| group 6A is the same as... | 16 |
| group 7A is the same as... | 17 |
| Which is larger, an atom of sodium or an ion? | atom |
| across a period Ionization energy..... | increases |
| down a row electronegativity......... | decreases |
| An ion of oxygen is (larger,smaller)than an atom | larger |
| Which has a higher ionization energy, K, or S? | S |
| Which attracts electrons more, Br or I? | Br |
| What is the number of electrons in each of the first 6 energy levels? | 2,8,8,18,18,32 |
| What gas is produced when sodium reacts with water? | hydrogen |
| What gas is produced when HCl reacts with CaCO3? | carbon dioxide |
| calcium carbonate is the same as... | marble |
| sodium hydroxide is called... | lye |
| Which is colored, Bromine (atom or ion)? | atom |
| What gas is produced when HCl reacts with Na2C03? | carbon dioxide |
| sodium carbonate is called... | washing soda |
| What gas is produced when nitric acid reacts with lead carbonate? | carbon dioxide |
| Which halogen will take electrons from Cl- ion? | F |
| Which is more reactive, Na or Na+ ? | Na |
| Which is more reactive, Cl- or Cl ? | Cl |
| What groups form the "S block"? | 1 and 2 |
| What reminder is there for the reaction of any halogen and other main group elements? | 1,2,3,4,3,2,1 |
| Based on ionization energy which element, Ca or Ba, should be most reactive? | Ba |
| What element is [Ar]4S2 3D6? | Fe |
| What group starts the lst "D block"? | 3 |