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Matter

Vocabulary

QuestionAnswer
Anything that has mass and takes up space. MATTER
The amount of matter in something. MASS
The amount of space something occupies. VOLUME
A solid is when the particles are close together. SOLID
A liquid is when the particles are close together but are not in fixed positions. LIQUID
A gas is when the particles are spread out and move freely. GAS
A property that can be observed without changing the identity of the substance. PHYSICAL PROPERTY
A property that can only be observed by changing the identity of the substance. CHEMICAL PROPERTY
Smallest unit of matter. ATOM
number of protons in an atom of a given element. ATOMIC NUMBER
number of protons plus the number of neutrons in an atom. ATOMIC MASS
center of the atom that has the protons and neutrons (heaviest part of the atom). NUCLEUS
positive subatomic particle in the nucleus. PROTON
neutral subatomic particle in the nucleus. NEUTRON
negative subatomic particle that is around the outside of the nucleus. ELECTRON
ability to be flattened into a sheet; bendable MALLEABILITY
ability to be stretched into a wire DUCTILITY
ability to react with another substance REACTIVITY
shiny, good conductors, malleable, ductility METAL
like both metal and non-metal, shiny, malleable, semi-conductors MATALLOID
poor conductors, mostly gases, dull NON-METAL
horizontal rows on periodic table PERIOD
vertical columns on periodic table GROUPS
temperature where solid turns to liquid MELTING POINT
temperature where liquid turns to gas BOILING POINT
Created by: kaela wood
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