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35 Cards in this Set

  • Front
  • Back
Anything that has mass and occupies space.
The study of the nature, properties, and transformations of matter.
A characteristic useful for identifying a substance or object.
Physical change
A change in matter that does not alter the chemical makeup of a substance or object.
Chemical change
A change in the chemical makeup of a substance
A substance that has a definite shape and volume.
A substance that has a definite volume but assumes the shape of it's container.
A substance that has niether a definite volume nor a definite shape.
Pure substance
A substance that has uniform chemical composition throughout.
A blend of two or more substances, each of which retains it's chemical identity.
A fundamental subatnce that cannot be broken down chemically into any simpler substance
Chemical compound
A pure chemical substance that can be broken down into simpler subtances by chemical reaction.
A starting substance that undergoes chnage during a chemical reaction
A substance formed as a result of a chemical reaction.
Chemical reaction
A process in which the identity and composition of one or more substances are changed.
A malleable and ductile element with a lustrous appearance that is a good conductor of heat and electricity. Solid at room temperature except mercury.
An element that is a poor conductor of heat and electricity. Eleven are gases at room temp, five are brittle, and one is a liquid.
The only liquid nonmetal at room temperature.
An element whose propteries are intermediate between those of metal and nonmetal.
What are the metalloid elements?
Boron, Silicon, Germanium, Arsenic, (Sb)Antimony, Tellurium,

Big Sized Genitals Assure Teasing Stories.
Diatomic molecules

Br2, I2, N2, Cl2, H2, O2, F2.
How many known elements?
Chemical property
A property that is the result of a chemical reaction
Physical property
properties that can be identified without changing the identity of the matter. ie. Boiling point, mass, shape, color, temperature, density, volume
Heterogenous mixture
A blend of two or more substances with non-uniform consistency that can be seperated by physical methods.
Homogeneous mixture
A blend of two or more substances that maintains a uniform appearance and can be seperated by physical methods.
A pure substance of two or more elements that can be broken down through chemical methods.
Man made / Synthetic elements that are all radioactive
93 - 116
How many natural elements?
1 - 92(uranium)
Unit of Element
Smallest particle of an element that retains its chemical properties.
Alkali metals
Li, Na, K, Rb, Cs, Fr
Highly reactive
Alkaline earth metals
Basic, reactive
ALL Diatomic
Nobel Gases
No reactivity. Only elements in nature as single atoms.

He, Ne, Ar, Kr, Xe, Rn