Metal Oxides (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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What are metal oxides?
What are metal oxides?
Compounds formed when metals react with oxygen
What is oxidation?
What is oxidation?
Addition of oxygen to a metal
State of metal oxides at room temperature
State of metal oxides at room temperature
Solid
Word equation: metal + oxygen →
Word equation: metal + oxygen →
Metal Oxide
Magnesium + oxygen →
Magnesium + oxygen →
Magnesium oxide ()
Appearance of magnesium oxide
Appearance of magnesium oxide
White powder
Iron + oxygen →
Iron + oxygen →
Iron(III) oxide ()
Common name for iron(III) oxide
Common name for iron(III) oxide
Rust
What % of elements are metals?
What % of elements are metals?
78%
Why metals conduct electricity
Why metals conduct electricity
Presence of free electrons
Only liquid metal at room temperature
Only liquid metal at room temperature
Mercury
What metals lose to form positive ions
What metals lose to form positive ions
Electrons
