In what order are the elements in the periodic table arranged?
They're arranged in order of increasing atomic number
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What is a stable electronic structure?
Atoms having an outer shell of 8 electrons
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What is ionic bonding?
Positive and negative ions attract one another and bind together forming a new substance. This is called ionic bonding as atoms are made stable by transferring electrons.
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What do metals do to get a stable electronic structure?
They loose electrons & if an atom looses electrons, a +ve ion is formed as there's fewer -vly charged electrons than the number of +vly charged protons in the nucleus.
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What do non-metals do to get a stable electronic structure?
They gain electrons & if an atom gains electrons, a -ve ion is formed as there's more -vly charged electrons than the number of +vly charged protons in the nucleus.
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What happens during ionic bonding?
The metal atom becomes a +ve ion and the non-metal atom becomes a -ve ion & they attract one another.
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Other cards in this set
Card 2
Front
Why is an atom neutral?
Back
It has an equal number of electrons and protons.The positive charges balance out the negative charges.
Card 3
Front
What is the nucleus of an atoms made up of
Back
Card 4
Front
What is the relative charge & mass of an electron, proton and neutron?
Back
Card 5
Front
In what order are the elements in the periodic table arranged?
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