Download STUDY GUIDE CHAPTER 8 TEST AND ELEMENT SYMBOLS

STUDY GUIDE CHAPTER 8 TEST 2015
Each vertical column on the periodic table is called a(an)
GROUP
The elements to the right of the zigzag line on the period table are called
The horizontal row on the period table is called a(n)
NONMETALS
PERIODS
The carbon group has two metalloids, both of which are used to make
COMPUTER CHIPS
What element is used to make the most widely used compound in the chemical industry?
SULFUR
What is necessary for substances to burn?
OXYGEN
How would you describe most metals?
a. They are bad conductors of electric current.
C. THEY CAN BE DRAWN INTO THIN WIRES.
What are the properties of transition metals?
b. They are easily shattered.
d. They are dull.
GOOD CONDUCTORS
What element makes up about 20% of the air we breathe?
Most metals are __________ at room temperature.
Periodic law states what?
OXYGEN
SOLID
THE PROPERTIES OF ELEMENTS CHANGE AS YOU
GO ACROSS A PERIOD
Mendeleev arranged the elements by
INCREASING ATOMIC MASS
The groups of elements that do not have individual names are called the?
TRANSITION
METALS
The elements’ properties follow a pattern that repeats every ____ elements. 7
Most of the elements in the periodic table are
a.
nonmetals.
c.
metalloids.
b.
gases.
D.
METALS.
What helps light bulbs last longer?
ARGON
How many of the recently discovered elements follow periodic law?
ALL OF THEM
How do the physical and chemical properties of the elements change?
a.
within a family c.
across each group
b.
within a group D.
ACROSS EACH PERIOD
Diamond and soot are very different, yet both are natural forms of
When a halogen reacts with a metal, what is formed?
Periodic means?
A SALT
HAPPENING AT REGULAR INTERVALS
CARBON
What are the properties of alkali metals?
VERY REACTIVE
A substance needs _______________________ to burn.
OXYGEN
In the Boron Group, the most common element is _______________________.
ALUMINUM
Proteins, fats, and _______________________, which are compounds of carbon, are necessary
for life on Earth.
CARBOHYDRATES
Germanium and _______________________ are used to make computer chips. SILICON
Nitrogen and _______________________ can be combined to make ammonia.
HYDROGEN
A rule that states that repeating chemical and physical properties of elements change periodically
with the atomic number of the elements is the _______________________. PERIODIC LAW
The days of the week are _______________________ because they repeat in the same order
every seven days.
PERIODIC
Iodine and chlorine are examples of _______________________.
HALOGENS
Atoms of _________________ have two outer-level electrons. ALKALINE-EARTH METALS
Pure _______________________ are often stored in oil to keep them from reacting with water
and oxygen.
ALKALI METALS
Sodium and potassium are _______________________ metals. ALKALI METALS
Chlorine and bromine are examples of _______________________. HALOGENS
Semiconductors, also known as _______________________, have some properties of metals and
some properties of nonmetals. METALLOIDS
The _______________________ metals are shiny and have one or two electrons in their outer
level. TRANSITION
Magnesium, calcium, and barium are _______________________ metals.
ALKALINE EARTH
metals that are so reactive that in nature they are found only combined with other elements
ALKALI METALS
metals that have two outer-level electrons
ALKALINE EARTH
unreactive nonmetals
NOBLE GASES
metals that do not have individual group names
TRANSITION METALS
very reactive nonmetals
HALOGENS
Which of the following elements is the most metallic?
a. K
b. Kr
c. Fe
d. Cu
Which of these elements is the least metallic?
a. V
b. Zn
c. Co
d. Se
Which element group has all nonmetals?
a. K, Ca, Sc
b. Se, Br, Kr
c. V, Cr, Mn
d. As, Se, Br
element named after a scientist (96,99,100,101,102,103) MENDELEVIUM
group made up of six nonmetals
another name for metalloid
NOBLE GASES
SEMICONDUCTOR
element named after a state CALIFORNIUM
You must also know the 29 elements and their symbols from the element worksheet.
H
He
Li
Be
C
N
O
F
Ne
Na
Mg
Al
Si
P
S
Cl
Ar
K
Ca
Fe
Ni
Cu
Ag
I
Au
Hg
Pb
U
Make sure you know your vocab.
B