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Tate Hall Exam

Exam Study Guide

QuestionAnswer
Study of the composition and structure of materials and the changes that materials undergo best describes the science of... chemistry
Technology is the... application of scientific knowledge to solve problems.
The study of substances containing carbon is... organic chemistry
A physical property may be investigated by... melting ice
Two measures that distinguish matter are... mass and volume
A physical change occurs when a... glue gun melts a glue stick
Group... in the periodic table contains only metals. 22
The state of matter in which a material has neither a definate chape nor a definate volume is the... gaseous state
The state of matter in which a material has a definate volume but no definate shape is the... liquid state
The elements that border the zigzag line in the periodic table are... metalloids
The symbol that represents the measured unit for volume is... mL
The symbol for the metric unit for mass is... g
A testable statment used for making predictions and carrying out further experiments is a... hypothesis
The SI base unit for time is... second
the unit m3 measures... volume
qualitive observations are recorded using... non- numerical information
quantitve observations are recorded using... numerical information
the si standard units for mass and length is... meter and kilogram
the most approptiate si unit for measuring the length of an automobil is the... meter
poor precisions in scientific measurment may arise from... both humane error and the limitations of the measuring instrument.
an element with 8 electrons in its highest main energy level is a... noble gas
the emmision of electrons from metals that have absorbed photons is called the... photoelectric effect
the region outside the nucleus where an elctron can most probably be found is the... electron cloud
the number of orbitals for the d sublevel is... 5
max planck proposed that a hot object radiated energy in small specific amounts called... quanta
a quantum of electromagnetic enegery is called... a photon
for electromagnetic radiation,c equals... frequency times wavelength
the main energy level that can hold only two electrons is the... first
one of the wave properties of electromagnetic radiation, such as light is... frequency
the total number of orbitals that can exist at the second main energy level is... 4
mendeleev noticed that properties of elements usually repeated at regualar intervals when the elements were arranged in... atomic mass
what are the radioactive elements with atomic number from 90 to 103 in the periodic called... the actinides
the discovery of the noble gases changed mendeleevs periodic table by adding a new... group
what are the elemnts witha tomic number from 58 to 71 in the periodc table called... the lanthanide elements
mendeelev attempted to organize the chemical eleents based on therir... properties
the elements that border the zigzag line in the periodic table is the... mettalloids
the most reactive group of the non metals are the... halogens
the positive ion is called the... cation
the negative ion is called the... anion
ELEMENTS IN THE D SUBLEVEL IS BEING FILLED have the properties of... metals
who was the school master who studied chemistry and proposed an atomic theory... john dalton
organic chemistry is the study of... carbon containing compounds
experiments with cathode rays led to the discovery of the... nucleus
who dicovered the nucleous by bombarding gold foil with positively charged particles... rutherford
rutherford experiments led to the discovery of the.. electron
the smallest unit of an element that can exist alone or in combination with other such particles is an... ATOM
THE DISCOVERY OF AN ELECTRON RESULTED FROM experiants using... cathode rays
a positvley charged particle with mass1.673 is a ... proton
all atoms of the same element have the same.. ATOMIC NUMBER
gamma rays are... electromagnetic
who called the atom an atom... democritus
atoms are... more stable
a covalent bond results when... are shared electrons
most chemical bonds are... partly ionic and partly covalent
an octct is equal to... 8
how many double bonds are in the lewis structure for hy... none
to draw a lewis structure one most know the. number of valence electrons
which of the following is an example of a formula unit... NACL
IF THE ATOMS that share electrons have an unequal attraction for the electrons... polar
Created by: mth11
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