Classifying Matter
A substance which contains just one kind of atom.
What is an element?
The amount of mass per unit of volume.
What is density?
A change in size, shape, form, or state of matter in which the matter's identity stays the same.
What is a physical change?
A characteristic of matter that can be observed as it changes to a different type of matter.
What are chemical properties?
What are reactants?
The smallest subatomic part of an atom.
What is an electron?
Measurements of physical properties which are determined by the size of the object.
What are size dependent properties?
The process by which a solid changes directly to a gas, without first changing to a liquid.
What is sublimation?
A sign of chemical change indicated by a change in hue.
What is color change?
Any new substances formed during a chemical reaction.
What are products?
A type of substance containing atoms of two or more different elements chemically bonded together.
What is a compound?
Measurements of physical properties which are not dependent upon size.
What are size independent properties?
The process by which a gas changes directly into a solid, without first changing into a liquid.
What is deposition?
A sign of chemical reaction indicated by a change in the olfactory attributes of the substance.
What is an odor change?
It separates the reactants and the products, and indicates that a reaction has taken place.
What is an arrow?
A neutrally charged particle that is located next to the nucleus.
What is a neutron?
The temperature at which a substance changes from a liquid to a gas.
What is boiling point?
A physical change which combines two or more substances evenly or unevenly.
What is a mixture?
The process by which atoms break apart, rearrange, and combine.
The process by which a gas changes into a liquid.
What is condensation?
Every element is a substance, but not every substance is an element.
What is the difference between an element and a substance?
The amount of matter in an object.
What is mass?
Matter is neither created nor destroyed.
What is the Law of the Conservation of Matter?
A numeral which designates the total amount of an element in a chemical formula.
What is a coefficient?
The substance which dissolves a material.
What is a solvent?