Matter and Particles
What is anything that has mass and takes up space?
Matter
What is the change from a solid to a liquid called?
Melting
What is the chemical symbol for carbon?
C
A substance containing only one type of atom is called what?
Element
What is the substance that does the dissolving?
Solvent
What is the smallest whole unit of a substance?
Atom
What is the rapid change from a liquid to a gas called?
Boiling
What is the chemical symbol for magnesium?
Mg
Two or more elements that are not combined form what?
Mixture
What is the substance that dissolves?
Solute
What property describes the ability of a substance to be squashed into a smaller volume?
Compressibility
What is the slower change from a liquid to a gas called?
Evaporation
What is the chemical symbol for sodium?
Na
Compounds are two or more elements that are ________ __________ in fixed amounts.
Chemically bonded.
What word means able to dissolve in a particular solvent?
Soluble
What is the movement of particles from high concentration to low concentration?
Diffusion
What is the change from a gas to a liquid called?
Condensation
For which element is the chemical symbol Pb?
Lead
Is sugar an element, compound or mixture?
Compound
Which technique collects pure water from salt water?
Distillation
What term describes matter becoming smaller as it cools?
Contraction
What scientific term means a gas changing into a solid?
Deposition
For which element is the chemical symbol Hg?
Mercury
What is the chemical formula for table salt?
NaCl
Which technique separates different coloured pigments in ink?
Chromatography