ATOMIC STRUCTURE
What is the center of an atom called?
Nucleus
What type of bond involves the sharing of electrons between two atoms
Group 1 is known as
Alkali metals
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Taylor Swift
NaCl
Sodium Chloride
What two subatomic particles contribute to the mass number of an element
Protons and neutrons
Which property of metals, resulting from metallic bonding, allows them to be hammered into thin sheets?
Malleable
Group 17 is known as
Halogens
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Barbie
O2 is called?
oxygen gas
These particles are unique to an element and helps identify it
Protons
What type of bond is formed when one atom donates an electron to another atom
Ionic bond
As you go down group 1, reactivity...........and why?
increases due to the electrons being more easily lost
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“The Inheritance Games” by Jennifer Lynn Barnes
MgCl2 is called?
Magnesium Chloride
These electrons normally contribute to the reactivity of an element
valence electrons
What type of bond involves the sharing of free /delocalised electrons among a sea of atoms
Metallic bonding
If an ion forms a 2+ ion, which group is it in?
Group 2
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Calcium Hydroxide is written as (include numbers and brackets in the answer)
Ca(OH)2
2,8,8,2
Why are metals good conductors of electricity
Free-moving electrons in the metallic bond
As you go down group 17, reactivity_____ and why?
Decreases and it is harder to attract an electron into its valence shell.
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Emma Chamberlain
What is a precipitate?
It is an insoluble product made from 2 ionic solutions mixed together