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41 Cards in this Set
- Front
- Back
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how do you find protons, neutrons and electrons?
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atomic number, atomic mass-atomic number, same as protons
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what is a neutral atom?
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# of protons and electrons are equal
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the number in front of a compound is the...
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coefficient
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the small number to the side of a compound is the...
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subscript
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what are 5 properties of metals?
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shiny, conducts heat, silver or grey color, malleable, reactive with acids
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what are the three parts of an atom and what are their charges?
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protons: +
neutrons: neutral electrons: - |
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what do periods tell us about an atom?
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# of energy levels
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what does the group tell us about the atom?
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# of valence electrons
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the number in front of a compound is the...
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coefficient
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the small number to the side of a compound is the...
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subscript
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what makes an element reactive?
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if there is a full outer energy level or 0/8 valence electrons
(not stable) |
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what are 5 properties of metals?
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shiny, conducts heat, silver or grey color, malleable, reactive with acids
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what are the 5 properties of non-metals?
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dull, doesn't conduct heat, earth tones, brittle, doesn't react with acids
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what is a property of metalloids?
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when bonding with metal they act as non-metal and vise versa
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what is a property of metalloids?
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when bonding with metal they act as non-metal and vise versa
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where are metalloids on the periodic table?
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along the line
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what is a property of metalloids?
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when bonding with metal they act as non-metal and vise versa
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where are metalloids on the periodic table?
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along the line
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what is the law of conservation of mass?
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in a chemical reaction matter cannot be created or destroyed
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what is a property of metalloids?
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when bonding with metal they act as non-metal and vise versa
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where are metalloids on the periodic table?
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along the line
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what is the law of conservation of mass?
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in a chemical reaction matter cannot be created or destroyed
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how do chemicals follow the law of conservation of mass?
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they are balanced
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what is a property of metalloids?
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when bonding with metal they act as non-metal and vise versa
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where are metalloids on the periodic table?
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along the line
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what is the law of conservation of mass?
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in a chemical reaction matter cannot be created or destroyed
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how do chemicals follow the law of conservation of mass?
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they are balanced
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what is a physical change?
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only changes the size, shape, and state of matter
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what is a property of metalloids?
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when bonding with metal they act as non-metal and vise versa
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where are metalloids on the periodic table?
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along the line
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what is the law of conservation of mass?
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in a chemical reaction matter cannot be created or destroyed
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how do chemicals follow the law of conservation of mass?
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they are balanced
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what is a physical change?
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only changes the size, shape, and state of matter
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what is a chemical change?
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new substance formed and chemical and physical properties changed
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what is a property of metalloids?
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when bonding with metal they act as non-metal and vise versa
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where are metalloids on the periodic table?
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along the line
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what is the law of conservation of mass?
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in a chemical reaction matter cannot be created or destroyed
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how do chemicals follow the law of conservation of mass?
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they are balanced
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what is a physical change?
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only changes the size, shape, and state of matter
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what is a chemical change?
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new substance formed and chemical and physical properties changed
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what are three clues of possible chemical change?
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temperature, change of state, bubbling
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