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PERIODIC TABLE Flashcards | StudBud
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PERIODIC TABLE
PERIODIC TABLE
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Kougasian OMS Periodic Table
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19 cards
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Answers
1
Which phrase BEST describes the periodic table?
about 100 elements arranged in order of increasing mass
approx 100 elements either metals, nonmetals, or compounds
arrangement of about 100 elements in groups &families
an arrangement of all elements that are
2
Elements in the same group have similar chem. properties. Elements in grp 16 share these,why?
These elements are all nonmetals.
These elements all have the same atomic number.
These elements are found in the same period.
These elements have the same number of valence electrons
3
Carbon has an atomic number of 6. What does the atomic number 6 tell you about carbon?
the group number of carbon
the average atomic mass of a carbon atom
the number of protons in a carbon atom
the period number of carbon
4
To use the hammering method to make jewelry patterns & shape materials,the materials would be_.
among the noble gases
among the nonmetals
among the metals
among the metalloids
5
Elements in Groups 1 through 9 are shown below. Which element is in Period 5, Group 7?
Bh
Tc
Db
Nb
6
How are the elements on the periodic table arranged?
by increasing average atomic mass
by decreasing atomic number
by increasing atomic number
by decreasing average atomic mass
7
With an element's atomic number & position in the periodic table, what other info do you know?
atomic mass of the element
atomic number of any element left or right of the element
number of neutrons in an atom of the element
mass number of any element left or right of the element
8
What is the chemical symbol for iron?
Fe
Ir
FE
Fr
9
Find chlorine and bromine on the periodic table. What is true about these two elements?
They are both metalloids.
They have the same average atomic mass.
They are in the same group.
They are in the same period.
10
Which of the following is the correct atomic number of the element Cesium (Cs)?
55
77
133
56
11
What do elements in the same group on the periodic table have in common?
They have similar chemical symbols.
They have the same average atomic mass.
They have the same atomic number.
They have similar chemical properties
12
There are more than 100 known elements on Earth. Most of the elements are _______.
are nonmetals.
are noble gases
are metalloids
are metals.
13
The periodic table uses boxes in rows & columns with letters & numbers. A box represents __.
a compound
a group
a period
an element
14
What is true about the position of any metal in the periodic table?
It is to the left of thezigzag line.
It is in the first group.
It is in the last period.
Itis to the right of the zigzag line
15
Look at the periodic table. Which of these elements would best conduct electricity?
krypton
fluorine
copper
oxygen
16
Semi=
“partly.” Based on properties, which kind of elements are used for semiconductors?
liquids
metals
non metals
metalloids
17
What is the average atomic mass of Calcium, Ca, in Period 4 of the periodic table?
20
60.078
20.78
40.078
18
What is the name for a row in the periodic table?
period
section
group
family
19
What is the chemical symbol for an element with an average atomicmass of 87.62?
SR
Sr
Rb
Sc
