| Question | Answer |
| In a compound, how are the different elements combined? | chemically
|
What element's atoms has the number of protons represented by the room number?16 | Si16
| What is the only metalloid in the group?13 | B13
| What group in the PT has the valence electrons represented by the room #?6 | sixteen6
| What is the smallest part of a compound?2 | molecule2
| How do the elements/atoms in a compound form a chemical bond?3 | in a specific ratio3
| What is required for a compound to form?4 | energy4
| Who was the first person to call the smallest piece of uncuttable matter "atomos"?5 | democritus5
| Who described the atom as a positive sphere with negative charges scattered in it?7 | thomson7
| Who described the atom as a positive center with electrons traveling on orbits?8 | bohr8
| What familiy is very reactive and never found uncombined in nature?9 | Alkali metals9
| What is the symbol for Potassium?10 | K10
| What family is very unreactive and are all nonmetals?11 | noble gases11
| What element's atom has the same number of electrons as the room #?12 | Na12
| What 2 elements's atoms could have the same amount of neutrons as the room #?14 | F,Ne14
| What family on the PT corresponds to the room #?15 | halogens15
| How many valence electrons does the element whose atomic #matches the room # have?17 | five17
| How many energy regions would an atom in the period that matches the room # have?18 | seven18
| What is unique about the element whose atomic # matches the room #?19 | one of the 2 liquids19
| What is the atomic mass of the element whose atomic # matches the room #?20 | 74.92120
| What element's atom has the same # of electrons as the room #?21 | Ba21
| What model describes the atom as a postively charged nucleus with e- moving randomly around it?22 | rutherford
| What is the difference between the cloud & modern cloud model of the atom?23 | neutrons in modern23
| What is the element name whose atomic # matches the room #?25 | cesium
| What period does the element whose atomic # matches the room# belong to?24 | six24 |
