4086213
Description
Flashcards by Joyce Bukmeier, updated more than 1 year ago
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Created by Joyce Bukmeier
about 9 years ago
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| Question | Answer |
| Scientist J.J Thomson | Rays were made up of electrons Electron were part of an Atom (people didn't believe) |
| Scientist Chadwick | discovered the nucleus contains protons and neutrons (they both weight the same) |
| Scientist Dalton | Suggested that matter makes up elements Elements were composed of particles call atoms |
| Scientist Bohr | Frist discovered how atom moved and suggested the electron shell |
| Scientist Nagaoka | Refined Bohr idea of how the electron orbit and came up with the solar system idea of how the particles move. |
| Where is the Alkali-metals located on the periodic table? | Group/Family 1 |
| Where do u find the Metalloids on the periodic table ? | The Diagonal line on the right side (purple) |
| Where are the Noble Gases found on the periodic table? | Group/Family 18 |
| where is the halogens found of the periodic table? | Group/Family 17 |
| Where are the Alkaline-Earth located on the periodic table ? | Family/Group 2 |
| Where are the Non-Metals on the periodic table ? | The group on the right side (orange) |
| Where are the metals found on the periodic table? | The middle part of the table (green) |
| Explain the Raisin Bun Model | Nagaoka came up with it. The nucleus is all positive and there are neutrons embedded in it. |
| What is Evaporation | When liquid turns to a gas |
| What is Freezing | When liquid turns to a solid |
| What is Melting | When a solid turns to Liquid |
| What is Sublimation | When a solid turns to gas |
| What is Condensation | When a gas turns to a liquid |
| What are the 3 different types of states | 1) gas 2) solid 3) liquid |
| What is deposition | When a gas turns in to a solid |
| what is a element | Something that is on the periodic table that can not be broken down easily. |
| How to find the mass of a Neutron | Atomic mass - Atomic number = neutron |
| what is the name for the vertical bar on a periodic table | Group or Family (1-18) |
| what is the name for the horizontal bar on the periodic table | period (1-7) |
| What is a mixture | 2 pure substance mixed together |
| what is a pure substance | a substance that has only 1 kind of matter |
| what is a Mechanical Mixture | a mixture where you can see all the parts |
| what is a colloid mixture | a cloudy mixture that can not be separated easily |
| what is a suspension mixture | a cloudy mixture that one particle is hanging on to another |
| what is a solution | two substance that are mixture together but cant see the different parts |
| what are 5 physical Properties | 1) lustre 2) color 3) ductility 4) hardness 5) melting/boiling point 6) Conductivity 7) malleability |
| what is a compound | two or more Elements combined chemically |
| what does W.H.M.I.S stand for? | Work Hazards Material Information System |
| what are chemical properties? | how one substance reacts with another |
| what is a Physical Change | when the substance changes from one state to another. |
| what is a chemical change | when the 2 substance creates a new substance |
| label 1 element square on the periodic table | ATOMIC NUMBER = 8 2+ = ION CHARGE O = THE SYMBOLE Oxygen = THE NAME 16.0 = THE ATOMIC MASS |
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