Modern Chemistry - Chapter 1
Find the symbol for the element tin.
Sn
A mixture is ?
A blend of any two more kinds of matter, as long as each matins its own unique properties.
A physical change occurs when?
A glue gun melts a glue stick.
It is easy to determine whether a substance is a metal if the substance is ?
A good electrical and heat conductor.
A chemical change occurs when?
A leaf changes color in fall.
A homogeneous mixture is also called?
A solution
A chemical can be defined as
Any substance that has a definite composition
PLasma is the fourth state of matter. In the plasma state ...
Atoms lose electrons.
What is not a physical change?
Boiling
A nonmetal is usually?
Brittle
The only pure substance listed below is ? A) Bread Dough B) Vinegar (5% acetic acid) C) Vitamin C D) Seawater
C) Vitamin C
Find the symbol for chlorine.
Cl
What is an intensive property of matter ?
Density
Which of the following is an example of a heterogeneous mixture?
Granite
In which group can you find the element lithium?
Group 1
In which group can you find the element nickel?
Group 10
In which group can you find the element carbon?
Group 14
The vertical( up and down) columns on the periodic table are called?
Groups or Families
Find the symbol for the element helium.
He
What happens to the energy in a substance when it changes state?
It changes form, but is neither destroyed nor increased.
Metalloids are often
Lanthanides
A measure of the quantity of matter is
Mass
What can smoke not be classified as?
Matter
What is not a chemical change ?
Melting
A student recorded the following while completing an experiment. Color of substance: yellow, shiny powered. Effect of magnet: yellow, shiny powered was attracted. What should this be classified as?
Mixture
Find the symbol for neon.
Ne
In which period can you find the element iron?
Period 4
In which period can you find the element gold?
Period 6
In which period can you find the lanthanide series?
Period 6
In which period can you find the actinide series?
Period 7
The horizontal (side to side) rows on the periodic table are called?
Periods
Nitrogen monoxide and oxygen, both colorless gases, form a red-brown gas when mixed. Nitrogen monoxide and oxygen are called?
Reactants
The two most important properties of all matter are
Taking up space and having mass
An atom is
The smallest unit of matter that maintains its chemical identity.
, and are best known because they are? Noble gases are in Group
Un-reactive
Under ordinary conditions of temperature and pressure, the particles in a gas are?
Very far from one another.
What is an extensive property of matter?
Volume
A compound is
a substance, made of two or more atoms that are chemically bonded, that can be broken down into simpler, stable substances.
Inorganic chemistry is the study of
non-carbon related compounds
Applied research is carried out in order to
solve a particular problem
Biochemistry is the study of
the chemistry of living things
