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33 Cards in this Set
- Front
- Back
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What is an atom? |
Smallest particle of an element that will has properties of that element. |
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Atoms join together to form ___ |
Compounds |
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A chemical change occurs when... |
The arrangement of atoms in a compound changes to form new compounds. |
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Atoms are made up of smaller particles called _____ |
Subatomic particles |
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What is the symbol, electron charge, location in an atom, and relative mass of a proton? |
Symbol = P E. Charge = 1+ Location= Nucleus Relative Mass = 1836 |
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What is the symbol, electron charge, location in an atom, and relative mass of a neutron? |
Symbol = n E. Charge = 0 Location = Nucleus Relative Mass = 1837 |
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What is the symbol, electron charge, location in an atom, and relative mass of an electron? |
Symbol = e E. Charge = 1- Location = Surrounding the nucleus Relative Mass = 1 |
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The nucleus is at the ____ of the ____ |
Centre Atom |
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What is the nucleus composed of? |
Protons and neutrons |
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Electrons exist in the space surrounding the ____ |
Nucleus |
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What is equivalent to the # of Protons? |
# of Electrons in every atom (neutral) |
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What is the nuclear charge equivalent to? |
# of protons |
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What is the atomic # equivalent to? |
# of protons |
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What is the atomic mass equivalent to? |
# of protons + neutrons |
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How do you find neutrons? |
Atomic Mass - Atomic # |
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What is it? |
Average Atomic Mass |
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What is it? |
Atomic Number |
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What is it? |
Ion charge |
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What is a Bohr diagram? |
Diagram that shows # of electrons in each shell surrounding the nucleus |
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What is a stable octet? |
8 electrons in the outermost shell |
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What is the valence shell? |
The outermost shells that contains electrons. |
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What are valence electrons? |
Electrons in the valence |
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In a period table, elements are listed in order by their ___ ___ |
Atomic Number |
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Where are the metals in the table? |
Left side of the table (group 3 - 12) |
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Where are the non metals on a table? |
Right side of the table |
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Where is the metalloids on the table? |
Staircase towards the right side |
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Rows of elements are called ___ |
Periods |
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Columns of elements are called |
Groups and families |
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All elements in a period have their ___ in the same general area around their ___ |
Electrons, nucleus |
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Atoms become electrically charged particles called... |
Ions |
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Non metals lose electrons and become positive ions called |
Anions |
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Metals lose electrons and become positive ions called |
Cation |
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Atoms gain/lose electrons in an attempt to.. |
Have the same number of valence electrons |
