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Periodic Table Agogo Flashcards | StudBud
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Periodic Table Agogo
Periodic Table Agogo
20 terms
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Periodic Table Groups 1 and 7.
Flashcards
20 cards
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Practice quiz
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Questions
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Answers
1
The scientist credited with the periodic table similar to the one we use today was:
Ernest Rutherford
Gregor Mendel
John Dalton
Dmitri Mendeleev
2
The rows of the periodic table are called:
Periods
Groups
Classes
Families
3
Sodium Chloride is used as
A building material
A flavouring and food preservative
A lining for water tanks
A fuse for dynamite
4
Which compound is formed when sodium reacts with bromine?
Sodium Oxide
Sodium Bromide
Sodium Iodide
Sodium Hydride
5
The flame colour for Potassium is
Lilac
Red
Orange
Yellow
6
What is used to give the order of the elements in the Periodic Table?
Density
Neutron number
Symbol
Relative atomic mass
7
Which halogen is a liquid at room temperature?
Bromine
Fluorine
Chlorine
Iodine
8
An element is a substance
Is made of only one type of atom
With a low melting point
With a low freezing point
Is made of only one type of electron
9
A container has the following hazard symbol on it. What does it mean?
Corrosive
Toxic
Harmful
Highly Flammable
10
Look at the unbalanced equation: Na + Cl
2
= NaCl. Which is the correct balanced equation?
2Na + Cl2 = NaCl
2Na + Cl2 = 2NaCl
2Na + 2Cl2 = 2NaCl
Na + Cl2 = 2NaCl
11
Group 1 lithium melting point 181
0
C, Potassium melting point 63
0
C, melting point of sodium?
204 0C
39 0C
-22 0C
98 0C
12
Which 'trend' is
TRUE
down the Alkali Metal Group?
the melting point gets higher
the atoms get smaller
they become more reactive
the boiling point gets higher
13
Why is sodium stored under oil?
it burns with an orange flame
To stop radiation from harming us
to make it nice and slippery
to keep it away from air and water
14
What gas is given off when group 1 elements react with water?
Water Vapour
Hydrogen Gas
Carbon Dioxide
Chlorine gas
15
The colours of Chlorine, Bromine and Iodine in turn are
Green, brown, black
Red, brown , black
Green, blue, brown
Red, blue, black
16
What is the formula for potassium hydroxide?
KOH
POH
K(OH)2
NaOH
17
What is the formula for Lithium Chloride?
LiCl
LiCl2
LiCl3
LiCl4
18
Which is the correct order of reactivity for these halogens, from most reactive to least?
I Br Cl
Cl Br I
Br Cl I
19
The Elements called Noble Gases are in Group....
7
1
5
0
20
What is the formula for potassium?
K
Na
P
Pt
