Foundations of Chemistry
A substance is either a.
What is element or compound?
Page - 237
Everything you can see and some things you cannot.
What is matter?
Page - 231
The arrangement of atoms determines the properties of different types of.
What is matter?
Page - 240
During a physical change, the matter does not become something different even through.
What is physical properties change?
Page - 249
A characteristic of matter that can be observed as it changes to a different type of matter.
What is chemical property?
Page - 256
Many physical properties can be used to separate the compounds of a.
What is mixture?
Page - 246
Not all atoms have the same number of three things which are.
What is protons, neutrons, and electrons?
Page - 232
Substances and mixtures can be.
What is solids, liquids, or gases?
Page - 241
Some solid change directly to a gas without first becoming a.
What is gas?
Page - 250
Signs of chemical change include the formation of.
What is bubbles or a change in energy, order, or color?
Page - 257
Matter either changes temperature or changes state when enough thermal energy is.
What is added or removed?
Page - 253
Atoms of most elements exist as.
What is individual atoms?
Page - 233
Mass is sometimes confused with.
What is weight?
Page - 242
Freezing and melting are reverse processes, and they occurs at the same.
What is temperature?
Page - 251
A useful way to understand what happens during a chemical change reaction is to write a.
What is chemical equation?
Page - 258
Mass is conserved during physical changes, which means that mass is the same before and after the.
What is change occur?
Page - 253
Water is a substance but is not.
What is an element?
Page - 234
The mass per unit volume of a substance.
What is density?
Page - 243
Like many physical changes, dissolving is usually easy to.
What is reverse?
Page - 252
When balancing an equation, you cannot change the chemical formula of any.
What is reactants or produces?
Page - 259
A chemical property is observed only as a material undergoes chemical change and.
What is changes identity?
Page - 261
Mixtures can differ because on how well the substance that made them up are.
What is mixed?
Page - 235
Water has a lower boiling point then.
What is salt?
Page - 245
During physical change, the physical properties of matter.
What is change?
Page - 252
To understand chemistry, you need to understand.
What is matter?
Page - 260