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Periodic Table! Flashcards | StudBud
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Periodic Table!
Periodic Table!
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9th grade physical science
Flashcards
27 cards
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Practice quiz
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Questions
27
Answers
1
A malleable metal means?
it is very reactive
It can be shaped with pressure
it conducts electricity
it has a high melting point
2
What element is in the 3rd period of the periodic table and has 5 valence electrons?
In
P
Al
N
3
What is the symbol for Sodium?
Na
So
K
Sd
4
Which element is an example of a strong conductor?
Helium
Chlorine
Copper
Oxygen
5
True/False - The Noble Gases are very reactive.
True
False
6
What element is in group 16, period 3
Magnesium
Oxygen
Carbon
Sulfur
7
There can be up to ____ electrons in the 2nd energy shell.
8
4
2
18
8
Which of the following elements is a metalloid?
Cr
Si
Ca
F
9
True or False: There are more metals than non-metals on the periodic table.
False
True
10
The periodic table has vertical columns called ________
Groups/ families
Periods
Tables
Rows
11
Which element is the most reactive?
Krypton (Kr)
Calcium (Ca)
Nickel (Ni)
Potassium (K)
12
To create table Salt (NaCl), which two periodic groupings need to bond?
Alkaline Earth Metals and Noble Gases
Poor Metals and Alkali Metals
Transition Metals and Halogens
Alkali Metals and Halogens
13
Who is credited for creating the periodic table?
Albert Einstein
Ernest Rutherford
Dmitri Mendeleev
14
Which of the following elements is a halogen?
B
O
Cl
K
15
A collection of elements on the periodic table with similar properties are....
Periods
Families
Compounds
Tables
16
Alkali Metals are known to be the least reactive metals on the periodic table.
False
True
17
What element is an alkali metal and in the 5th period of the periodic table?
Rb
Xe
I
Sr
18
These spoons are an example of...
Conductor
Reactive
Malleable
Dense
19
The transition metals are in which groups/families
18
1
13-15
3-12
20
What is the basic building block of an element?
Atom
Electron
Proton
Matter
21
What is the atomic number of Boron (B)?
2
10
5
18
22
Reactive means ________
transfers electricity and heat
Responds to other elements
Reflects light
Man-made
23
What periodic group is Chlorine (Cl) located in?
Transition Metals
Halogens
Noble Gases
Alkali Metals
24
Which of the following elements has 6 valence electrons?
Cr
Cs
S
F
25
Sodium catches fire when it hits water. What is happening?
A reaction
Conducting
Magic
Lustering
26
Brittle means?
Easily cracked or fractured
Man-made
soft and bendable
Smooth
27
Periods are the ______ rows in a periodic table.
Horizontal
Zig-zag
Diagonal
Vertical
