Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | chemistry
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| The branch of chemistry that in cludes the study of materials and process that occur in living things is.. | show 🗑
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| The branch of chemistry that is concerned with identification and composition of materials is.. | show 🗑
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| show | organic chemistry
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| The branch of chemistry concerned with the properties, changes, and relationships between energy and matter is.. | show 🗑
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| show | carried out for the sake of increasing knowledge
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| a physical property my be investigated by... | show 🗑
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| show | mass and volume
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| show | mass
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| What is an example of an intesive physical property? | show 🗑
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| show | numerical info
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| show | non-numerical info
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| a testable statement used for making predictions and carrying out futher experiments is a | show 🗑
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| show | meter and kilometer
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| show | millimeter
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| show | g
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| show | volume
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| show | second
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| show | weight
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| show | volume and mass
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| show | atomic mass
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| show | the actinides
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| The descovery of the noble gases changed mendeleeves periodic table by adding a new | show 🗑
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| show | the lathanide elements
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| show | properties
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| show | undiscovered elements
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| Mendeleev attempted to organize the chemical elements based on thier | show 🗑
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| show | increasing atomic number
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| show | periodic
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| 1/2 the distance btw the nuclei of identical atoms that are bonded 2gether is called the | show 🗑
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| show | John Dalton
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| A nuclear particle that has about the same mass as a proton, but with no electrical charge is called a | show 🗑
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| Rutherford fired positively charged particles at a metal foil and concluded that that most of the mass of an atom was | show 🗑
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| show | Rutherford
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| show | nucleus
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| Experiments with discovery of the cathode rays led to the discovery of the | show 🗑
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| The smallest unit of an element that can exist alone or in a combination with other such particles is an | show 🗑
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| a positively charged particle is a | show 🗑
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| The atomic number of oxygen,8, indicates that there are 8 | show 🗑
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| All atoms of the same element have the same | show 🗑
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| show | frequency times wavelength
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| show | hertz
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| show | frequency
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| show | exhibits wavelike behavior
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| show | wavelength
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| show | photon
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| The wave model of light did not explain | show 🗑
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| show | quanta
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| the emission from electrons from metals that have absorbed photons is called the | show 🗑
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| show | energy must be absorbed
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| Atoms are ___ when they are combined | show 🗑
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| show | electronegativity
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| If the atoms that share electrons have an unequal attraction for the electrons, the bond is called | show 🗑
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| A covalent bond results when ___ are shared | show 🗑
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| A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together is called a | show 🗑
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| If two covalently bonded atoms are identical, the bond is | show 🗑
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| show | valence electrons
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| Most chemical bonds are | show 🗑
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| A chemical bond formed when two atoms share electrons is called a | show 🗑
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| An otet is = to | show 🗑
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