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27 Cards in this Set
- Front
- Back
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Smallest unit of matter |
Atom |
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What is an atoms nucleus made up of |
Protons and neutrons |
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What is the charge of a proton |
Plus one positive |
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What is the charge on an electron? |
Minus one, negetive |
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How do you find the mass number |
The number of protons and neutrons |
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What is the atomic number |
The number protons in the nucleus |
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What do you call the outer shell's electrons in a Bohr diagram |
Valence electrons |
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What group is called chalkogens? |
Group 6 |
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What is the other name for group One in the periodic table? |
Alkali Metals |
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What is another name for noble gases |
Inert gases |
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What group is halogens |
Group 7 |
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Group on the periodic table is also called... |
Alkaline earth metals |
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What is an isotope |
Items that has the same atomic number (protons) but have different mass numbers |
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Do groups 1-3 gain or lose electrons |
They loose |
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What is reduction? |
The gaining of electrons during electron configuration |
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Oxidation? |
The loosing of electrons. |
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What is the definition of an element? |
Something that cannot be further broken down. |
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What is the name for a structure that can be broken down into one or more particles? |
A compound |
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What type of bond are electrons shared? |
Covalent bonding |
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What is a characteristic of ionic bonding? |
The transfer of electrons between non-metal and metals. |
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What does covalent bonding create |
Molecules |
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What is the name for groups between 3 and 4 on the periodic table |
Transitional metals |
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What is a wave |
A succession of pulses |
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What is a transverse wave |
When a particle in a medium move perpendicular to the direction of propagation (at 90° to the rest position.) |
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What is 'in phase' ? |
When two points on a wave moves in such a way, that they are in sync with each other, being in similar positions always. |
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What is the name for the highest point on a |
Crest |
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What is the lowest point on a wave |
Trough |
