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3rds The Periodic Table Flashcards | StudBud
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3rds The Periodic Table
3rds The Periodic Table
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1
The reactivity of metals in the alkali metal group
increases with atomic number
increases when in ionic compond form
decreases with atomic mass
remains the same throughout the group
2
How can we test for hydrogen?
Test with litmus paper
Test with universal indicator
Test with a lit splint
Test with an acid
3
Which group is represented in this image?
post-transition metals
actinides
lanthanides
transition metals
4
Colour of chlorine gas
Pale green
Red-brown
Pale yellow
Purple
5
Which group is represented in this image?
metalloids
Alkaline earth metals
Alkali metals
halogens
6
Which one of these is not a halogen?
Calcium
Chlorine
Flourine
Bromine
7
How does Potassium react with water?
It destroys all livestock within a 230 mile radius
It explodes and fizzles
It explodes
It kills everyone within a 10 mile radius
8
How many outer electrons does He have?
4
2
18
8
9
When a metal reacts with water, what products are formed?
Metal hydroxide + hydrogen
Metal hydroxide + oxygen
Metal oxide + water
Metal oxide + hydrogen
10
Complete the word equation for the displacement reaction Potassium Iodide + Bromine ->
Potassium Bromide + Fluorine
Potassium Bromide + Iodine
Potassium Iodide + Bromine
Potassium Chloride + Bromine
11
I am the first Halogen
Fluorine
Helium
Hydrogen
Beryllium
12
What are some uses for chlorine?
to fight e. coli bacteria
in pool water
as a poison gas
to drink
13
Which group is represented in this image?
metalloids
noble gases
halogens
nonmetals
14
Why do we use helium in balloons and not hydrogen?
Hydrogen makes your voice sound high pitched
Helium is very dense and sinks nice and low
Hydrogen doesn't react and is very safe
Helium doesn't explode
15
Neon is a member of which group?
Noble gases
Metalloids
Nonmetals
Halogens
16
The reactivity of halogens ..... as you go down the group?
Increases
Increases and then decreases
Decreases
Stays the same
17
Which group is represented in this image?
post-transition metals
Transition metals
metalloids
lanthanides
18
Which group is represented in this image?
halogens
metalloids
nonmetals
noble gases
19
Which group is represented in this image?
Alkaline earth metals
halogens
Alkali metals
nonmetals
20
Argon and helium are:
unreactive gases
non-conductive gases
reactive gases.
ionized gases
21
How many outer electrons do Alkali metals have?
Two
One
Three
Four
22
Give the word equation for potassium reacting with water
Potassium + oxygen --> Potassium oxide
Potassium + water --> Potassium oxide + water
Potassium + water --> Potassium hydroxide + hydrogen
Potassium + water --> Potassium hydroxide
