Science Revision Term 3 Week 5
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12 Terms
What is an element?
Elements are substances made of just one type of atom.
What is a molecule?
Little clusters of atoms with a fixed size/shape.
What is a compound?
Two or more different elements in the chemical.
What is atomic number?
The number of protons in an element.
What is Mass Number?
The number of protons and neutrons in an element.
What is a Qualitative observation?
Qualitative observations use words to describe the quality of something.
What is a Quantitive observation?
Quantitive observations use a tool or system to measure using numbers (get the quantity).
What are the common properties of metal elements?
Shiny
Hard and solid at Room Temp
Good conductor of heat and electricity
Malleable
Ductile
What are the common properties of non-metal elements?
Dull
Poor conductor of heat and electricity
Brittle
What does monatomic mean?
Consisting of one atom.
What is a molecular element
A pure substance made of two or more atoms bonded together.
What is a lattice?
An infinite chain of combined atoms that repeat a pattern.