stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Grade 7 Chapter 9 Periodic Table Flashcards | StudBud
Explore
/
Grade 7 Chapter 9 Periodic Table
Grade 7 Chapter 9 Periodic Table
39 terms
·
StudBud Administration
·
2,893 plays
Review of Chapter 9 for the 7th Grade
Flashcards
39 cards
F
Practice quiz
P
Host live
L
Questions
39
Answers
1
Which of the following is a transition metal?
Carbon
Titanium
Barium
Aluminum
2
Which of the following is a noble gas?
Nitrogen
Oxygen
Argon
Carbon
3
Iron, which is in group 8, is an example of a ____________ metal
transuranium
transition
Alkali
Alkaline Earth
4
What is the Atomic Weight of Cesium, Cs?
2,8,18,18,8,1
56
132.91
55
5
What is the Atomic mass of Silicon?
28.086
an illusion
26.982
30.974
6
What is the Atomic Number of Beryllium?
4
3
Be
B
7
In general, which of the following statements about metals is true?
Metals are malleable, ductile and can carry electricity.
Metals do not react with oxygen.
Metals are highly reactive substances.
Metals need to be stored in sealed containers for safety.
8
What are devices that move atomic nuclei at extremely high speeds?
Radios
MRI
Particle Accelerators
X-Rays projectors
9
In an atom, the number of protons equals the number of
isotopes
neutrons
nuclei
electrons
10
Fluorine, chlorine, bromine and iodine are part of a family called
noble gases
halogens
alkali metals
metalloids
11
What is the atomic number of gold?
79
77
78
80
12
Which element is more reactive?
Argon
Carbon
Zinc
Magnesium
13
At room temperature, more than half of the nonmetal elements are
alloys.
liquids.
gases.
solids.
14
Which group contains the most elements?
metals
nonmetals
transition elements
metalloids
15
Man-made elements such as Curium, and Einsteinium are all
transition metals
transuranium elements
Actinides
Lanthinides
16
The only nonmetal in Group 14 is
lead
tin
fluorine
carbon
17
What is the Atomic Number of Iron, Chemical Symbol Fe?
26
24
25
27
18
Which of the following is a halogen?
Neon
Tin
Chlorine
Arsenic
19
Which of the following is NOT a property of most nonmetals?
many are gases at room temperature
excellent conductors of electricity
solids tend to be dull and brittle
found on the right side of the periodic table
20
Which element powered the atomic bombs dropped on Japan in 1945?
Francium
Lithium
Uranium
Hydrogen
21
Which is a liquid nonmetal at room temperature?
Nitrogen
Lithium
Mercury
Bromine
22
From an element's location in the periodic table, you can predict
its chemical name.
when it was discovered.
its properties.
its chemical symbol
23
The elements that do not ordinarily form compounds are
elements in the carbon family.
halogens.
metals.
noble gases.
24
The atomic number of an element is based on the
mass of the nucleus.
number of neutrons in its nucleus.
number of electrons around its core.
number of protons in its nucleus.
25
The two most common alkaline earth metals are
iron and silver.
calcium and magnesium.
sodium and potassium.
copper and zinc.
26
What is the chemical symbol of Gold
Au
Ag
At
Gd
27
A material is said to be ductile if it
can transfer heat or electricity to another material.
is a mixture of a metal with at least one other element.
can be hammered or rolled into flat sheets or other shapes.
can be pulled out or drawn, into a long wire.
28
What is the Chemical symbol of Tungsten, atomic number 74?
W
Tu
Tc
Ta
29
One metal that is a liquid at room temperature is
mercury
magnesium
manganese
bromine
30
The MODERN periodic table is arranged in order of increasing
atomic mass
reactivity
atomic number
chemical symbol
31
Two of the same atoms bonded together is called a(n)
semiconductor
isotope
diatomic molecule
binary atom
32
What is the atomic number of Actinium?
87
89
90
88
33
Which group of elements have some properties of metals and some properties of nonmetals?
halogens
noble gases
metalloids
transition metals
34
In the periodic table, the most reactive metals are found
in Periods 6 and 7 at the bottom.
in Groups 13 through 16 in the center.
in Group 1, the first column on the left.
in Period 1, the first row across the top.
35
Who is credited with the development of the first periodic table?
Demitri Mendeleev
Louis Pasteur
Albert Einstein
Sir Isaac Newton
36
Which element is more reactive?
Iron
Lithium
Calcium
Xeon
37
The highly reactive nonmetals of Group 17 are called the
actinides.
noble gases.
metalloids.
halogens.
38
The family in the periodic table that contains the most reactive metals is the _______________.
Halogens
Alkali metals
Noble gasses
Transition metals
39
What is the chemical symbol of aluminum?
A
Al
Am
Au
