2026_20275 Chemistry
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Guide.pdf
One Summary National
2026_20275 Chemistry
– StudyUnit
Guide.pdf
One Summary 2026_2027 – Study Guide.pdf
National 5 Chemistry Unit One Summary
2026/2027 – Study Guide
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National 5 Chemistry Unit One Summary National
2026_20275 Chemistry
– StudyUnit
Guide.pdf
One Summary National
2026_20275 Chemistry
– StudyUnit
Guide.pdf
One Summary 2026_2027 – Study Guide.pdf
,National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf
Metal ions are always ____ charged.
Positively
Ionic bonding involves the ____ of electrons.
transfer
Covalent bonding involves the ____ of electrons.
sharing
National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf
,National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf
Two Al atoms each transfer electrons to three oxygen atoms to form an ioninc substance.
Give the ionic formula (each Al ion has charge 3+ and O ions 2-)
(Al³⁺)₂(O²⁻)₃
Covalent bonding occurs when ____-______ bond.
Non-metals
Unpaired, outer electrons are referred as
Valence electrons
National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf
, National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf
Describe a single bond between fluorine atoms in a diatomic molecule of fluorine
Each has one unpaired valence electron, which is shared by overlapping their electron
shells. This completes the outer shell and make them both stable.
Each line (bond) on a covalent bonding diagram represents a _____ of _____ being shared.
Pair of electrons
National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf National 5 Chemistry_ Summary Unit One.pdf