24-25 Unit 8 Vocab
Quiz by REBECCA ROSENDAHL
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- Q1
The smallest unit of an element - a small particle that is the building block of matter.
Atom
30s - Q2
A pure substance that consists of only one type of atom that cannot be broken down into simpler substances.
Element
30s - Q3
Elements that are traditionally found in pairs.
Diatomic Elements
30s - Q4
A substance containing atoms of two or more different elements connected together.
Compound
30s - Q5
Two or more atoms that are held together and that act as a unit.
Molecules
30s - Q6
A chart of the elements arranged into rows and columns according to their physical and chemical properties.
Periodic Table
30s - Q7
One or two letters that represent an element.
Chemical Symbol
30s - Q8
A group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound.
Chemical Formula
30s - Q9
A characteristic of matter that can be observed or measured without changing the identity of the matter.
Physical Property
30s - Q10
A change in the size, shape, form, or state of matter that does not change the matter’s identity.
Physical Change
30s - Q11
To form a solution by mixing evenly.
Dissolve
30s - Q12
Particles are tightly packed and fixed in place.
Solid
30s - Q13
Particles are close but can move and flow.
Liquid
30s - Q14
Particles are far apart and move freely.
Gas
30s - Q15
The total energy of a substance - the energy associated with the random motion of particles (atoms, molecules, or ions) in a substance.
Thermal Energy
30s