Exam Study Guide
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Study of the composition and structure of materials and the changes that materials undergo best describes the science of... | chemistry
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| Technology is the... | application of scientific knowledge to solve problems.
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| The study of substances containing carbon is... | organic chemistry
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| A physical property may be investigated by... | melting ice
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| Two measures that distinguish matter are... | mass and volume
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| A physical change occurs when a... | glue gun melts a glue stick
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| Group... in the periodic table contains only metals. | 22
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| The state of matter in which a material has neither a definate chape nor a definate volume is the... | gaseous state
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| The state of matter in which a material has a definate volume but no definate shape is the... | liquid state
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| The elements that border the zigzag line in the periodic table are... | metalloids
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| The symbol that represents the measured unit for volume is... | mL
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| The symbol for the metric unit for mass is... | g
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| A testable statment used for making predictions and carrying out further experiments is a... | hypothesis
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| The SI base unit for time is... | second
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| the unit m3 measures... | volume
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| qualitive observations are recorded using... | non- numerical information
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| quantitve observations are recorded using... | numerical information
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| the si standard units for mass and length is... | meter and kilogram
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| the most approptiate si unit for measuring the length of an automobil is the... | meter
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| poor precisions in scientific measurment may arise from... | both humane error and the limitations of the measuring instrument.
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| an element with 8 electrons in its highest main energy level is a... | noble gas
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| the emmision of electrons from metals that have absorbed photons is called the... | photoelectric effect
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| the region outside the nucleus where an elctron can most probably be found is the... | electron cloud
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| the number of orbitals for the d sublevel is... | 5
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| max planck proposed that a hot object radiated energy in small specific amounts called... | quanta
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| a quantum of electromagnetic enegery is called... | a photon
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| for electromagnetic radiation,c equals... | frequency times wavelength
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| the main energy level that can hold only two electrons is the... | first
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| one of the wave properties of electromagnetic radiation, such as light is... | frequency
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| the total number of orbitals that can exist at the second main energy level is... | 4
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| mendeleev noticed that properties of elements usually repeated at regualar intervals when the elements were arranged in... | atomic mass
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| what are the radioactive elements with atomic number from 90 to 103 in the periodic called... | the actinides
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| the discovery of the noble gases changed mendeleevs periodic table by adding a new... | group
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| what are the elemnts witha tomic number from 58 to 71 in the periodc table called... | the lanthanide elements
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| mendeelev attempted to organize the chemical eleents based on therir... | properties
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| the elements that border the zigzag line in the periodic table is the... | mettalloids
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| the most reactive group of the non metals are the... | halogens
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| the positive ion is called the... | cation
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| the negative ion is called the... | anion
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| ELEMENTS IN THE D SUBLEVEL IS BEING FILLED have the properties of... | metals
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| who was the school master who studied chemistry and proposed an atomic theory... | john dalton
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| organic chemistry is the study of... | carbon containing compounds
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| experiments with cathode rays led to the discovery of the... | nucleus
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| who dicovered the nucleous by bombarding gold foil with positively charged particles... | rutherford
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| rutherford experiments led to the discovery of the.. | electron
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| the smallest unit of an element that can exist alone or in combination with other such particles is an... | ATOM
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| THE DISCOVERY OF AN ELECTRON RESULTED FROM experiants using... | cathode rays
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| a positvley charged particle with mass1.673 is a ... | proton
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| all atoms of the same element have the same.. | ATOMIC NUMBER
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| gamma rays are... | electromagnetic
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| who called the atom an atom... | democritus
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| atoms are... | more stable
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| a covalent bond results when... are shared | electrons
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| most chemical bonds are... | partly ionic and partly covalent
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| an octct is equal to... | 8
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| how many double bonds are in the lewis structure for hy... | none
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| to draw a lewis structure one most know the. | number of valence electrons
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| which of the following is an example of a formula unit... | NACL
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| IF THE ATOMS that share electrons have an unequal attraction for the electrons... | polar
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