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SL Basic Atomic Theory and Periodicity Flashcards | StudBud
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SL Basic Atomic Theory and Periodicity
SL Basic Atomic Theory and Periodicity
30 terms
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IB SL Chemistry #chemistry #elements #science
Flashcards
30 cards
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Questions
30
Answers
1
True or False: There are more metals than non-metals on the periodic table.
True
False
2
Periods are the ______ in a periodic table
Collumns
Diagonals
Colors
Rows
3
The transition metals are in which groups?
1
18
13-15
3-12
4
A diamond has what characteristics?
Synthetic and very dense
Reactive and lusterous
Dull, high density
Luster, high density
5
The _____ number is the amount of protons in an atom.
Mass
Atomic
Jersey
Phone
6
Who was the genius that created the periodic table and got it right the first time?
Ernest Rutherford
Dmitri Mendeleev
Albert Einstein
7
A proton has a _______ charge
Neutral (No Charge)
Negative
Electric
Positive
8
You find an unknown element that has a high luster, and is conductive. It is most likely a
Nonmetal
Metal
Metalloid
9
Which element is the most reactive?
Potassium (K)
Nickel (Ni)
Krypton (Kr)
Calcium (Ca)
10
Reactive means ________
Responds to other elements
Transfers electricity and heat
Reflects light
Man-made
11
A malleable metal ...
it has a high melting point
It can be shaped with pressure
it is very reactive
it conducts electricity
12
The mass number of an element is equal to ______
# of electrons+protons
# of electrons
# of neutrons+protons
# protons
13
What element is in group 16, period 3?
Magnesium
Oxygen
Sulfur
Carbon
14
What is the atomic number of boron (B)?
2
18
5
10
15
Electrons are in the nucleus.
True
False
16
True or False: Generally nonmetals have high melting points.
False
True
17
The Noble Gases are very reactive.
True
False
18
An atom is made up of protons, electrons, and ________
Oxygen
Neutrons
DNA
Matters
19
Which element is an example of a strong conductor?
Chlorine (Cl)
Helium (He)
Copper (Cu)
Oxygen (O)
20
Which Alkali metal (Group 1) has 3 electron shells?
Na
So
K
Sd
21
There can be up to ____ electrons in the 2nd energy shell.
8
18
4
2
22
An element that has a high melting point, but doesn't conduct electricity, is most likely a
Metal
Nonmetal
Metalloid
23
Alkali Metals are know to be the least reactive metals on the periodic table.
False
True
24
A collection of elements on the periodic table with similar chemical properties are a ...
Table
Compound
Period
Group
25
To create table salt (NaCl), which two periodic groupings need to bond?
Alkaline Earth Metals and Noble Gases
Poor Metals and Alkali Metals
Alkali Metals and Halogens
Transition Metals and Halogens
26
These spoons are examples of being...
Reactive
Malleable
Dense
Conductor
27
We cannot find Alkaline Earth Metals freely in nature.
False
True
28
What periodic family is chlorine (Cl) located in?
Transition Metals
Halogens (gr17)
Noble Gases (gr18)
Alkali Metals (gr1)
29
Magnesium in group 2, and the elements in this group are mostly likely to...
Lose 2 electrons (form +2 ions)
Lose an electron (form +1 ions)
Gain 2 electrons (form -2 ions)
Gain 1 electron (form -1 ions)
30
The periodic table has vertical columns called ________
Periods
Rows
Tables
Groups
