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Atoms
| Question | Answer |
|---|---|
| What is an atom | The smallest part of matter |
| What is the mass number | The amount of protons and neutrons |
| What is the atomic number | Number of protons |
| The number of electrons is the same as | The number of protons |
| Shell one can have how many electrons | 2 |
| Shell two can have how many electrons | 8 |
| Shell three can have how many electrons | 18 |
| What is the periodic table | An organised chart of all the known elements |
| What are groups | The vertical columns on the periodic table |
| What are periods | The horizontal rows on the periodic table |
| Where are the transition metals found | In the middle of the periodic table |
| Where are the halogens found | In group 17 |
| What are the properties of halogens | brightly colored |
| Why are the elements in Group 18 called noble gases | Because they have a full outer shell and don't react |
| Where are the alkali metals found | Group one |
| What are the characteristics of alkali metals | They react strongly to water and form basic solutions |
| What are group two | the alkaline earth metals |
| what is found on the left hand side of the table | the metals |
| What are the 8 elements that are next to the zig zag line | They are metaloids |
| What are some features of metals | They are solid at room temperature They are malleable. They can be made into a wire. They can be made shiny |
| What are some feature of non-metals | They are usually dull or glassy Most are gases at room temperature They melt at low temperatures Most are poor conductors of heat and electricity They are brittle |
| What features do metaloids have | They have features of both metals and non metals |
| What is an atom made up of | A nucleus with protons and neutrons and several shells with electrons on the shells |
| How many metaloids are there, name two | eight, boron and silicon |
| What is electron configuration? | A list of the number of electrons in each shell. |
| If the atomic number of Na is 11, what is the electron configuration | 2,8,1 |
| What is an ion | A charges element or molecule |
| What is a cation | A positive ion |
| What is a anion | A negative ion |
| What are ionic compounds made up of | A metal and a non metal |
| What is matter made up of | atoms |
| What are the 3 particles that atoms are made from and the charge they have | Protons: Positive Electrons: Negative Neutrons: Neutral |
| What is in the periodic table | All of the known elements |
| Where are the noble gases found on the periodic table? | Group 8 |
| Why are the group 8 elements special | Because they have a full outer shell and don't react |
| What are the group 8 elements called? | The noble gases |
| What is a molecule | A group of atoms bounded together |
| What is a compound | A mix of two different elements |
Created by:
eknox
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