Tate Hall Exam Word Scramble
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Question | Answer |
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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