chemistry exam! Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
which of the following is not an example of a molecular formula | B |
the electrons involved in the formation of a chemical bond are called | valence electrons |
most chemical bonds are | partly ionic and partly covalent |
a covalent bond results when what are shared | electrons |
an octet is equal to | 8 |
when atoms share electrons, the electrical attraction of an atom for the electrons is called the atom's what | electronegativity |
the elements of what group satisfy the octet rule | noble gas |
to draw a lewis structure, on must know the | number of valence electrons in each atom |
a compound that vaporizes readily at room temp. is most likely to be a | molecular compound |
malleability and ductility are characteristics of substances with | mettalic bonds |
to which group do lithium and potassium belong | alkali metals |
mendeleev attempted to organize the chemical elements based on their | properties |
argon, krypton, and xenon are | noble gases |
to which group do flourine and chlorine belong | halogens |
a horizontal row of blocks in the periodic table is called a | period |
a positive ion is known as a | cation |
a negative ion is known as an | anion |
the most reactive group of the nonmetals are the | halogens |
valence electrons are those | in the highest energy level |
in a row in the periodic table, as the atomic number increases, the atomic radius | decreases |
as it travels through space, electromagnetic radiation | exhibits wavelike behavior |
the distance between two successive peaks on a wave is its | wavelength |
a quantum of electromagnetic energy is called a | photon |
the wave model of light did not explain | the photoelectric effect |
the number of orbitals for the d sublevel is | 5 |
for the f sublevel, the number of orbitals is | 7 |
the total number of orbitals that can exist in the second main energy level is | 8 |
the main energy level that can hold only two electrons is the | first |
which group are the noble gases | 18 |
how many groups are found on the periodic table | 18 |
who was the schoolmaster who studied chemistry and proposed an atomic theory | john dalton |
rutherford's experiments led to the discovery of the | nucleus |
organic chemistry is the study of | light |
the discovery of the electron resulted from experiments using | cathode rays |
all atoms of the same element have the same | atomic number |
what is the atomic number for aluminum | 13 |
nickel-60 has | 32 neutrons |
phosphorus-33 contains | 18 neutrons |
gamma rays are | electromagnetic waves |
who called the atom an atom | democritus |
all of the following are steps in the scientific method except | discarding data inconsistent with the hypothesis |
quantitative observations are recorded using | numerical information |
qualitative observations are recorded using | non-numerical information |
all of the following are examples of units except | weight |
the symbol for the metric unit used to measure mass is | g |
the symbol that represents the measured unit for volume is | mL |
the SI base unit for time is the | second |
to calculate the density of an object | divide its mass by its volume |
how many minutes are in one week | 10,080 |
a change in the force of earth's gravity on an object will affect its | weight |
the study of substances containing carbon is | organic chemistry |
technology is the | application of scientific knowledge to solve problems |
basic research is | carried out for the sake of increasing knowledge |
a physical property may be investigated by | melting ice |
chemical properties | include changes that alter the identity of a substance |
two features that distinguish matter are | mass and volume |
a physical change occurs when | glue gun melts a glue stick |
the particles in a solid are | packed closely together |
the particles in a gas are | very far from each other |
the state of matter in which a material has definate shape and definite volume is the | solid state |
Created by:
trent256
Popular Chemistry sets