Matter that consists of two or more substances mixed together but not chemically combined
What is a mixture?
What is stable?
When more than one element is bound together, it forms a ___________.
What is a compound?
A change in properties that can be observed without a change in composition.
What is a physical Change.
The number of protons in an element tell you the elements ____________ in the periodic table.
__________ is made of only one
kind of material and has definite
properties.
What is a Pure substance?
All atoms have _________ and occupy ________.
What is mass and space.
The smallest unit of an element.
What is an Atom?
A change in a substances composition by forming one or more new substances.
The number of protons and Neutrons in an element tell you the elements ____________ in the periodic table.
What is atomic mass?
What is the simplest pure substance?
what is an element?
When two or more atoms combine, they create a _______.
A. The same
B. Round
C. Different
D. Chemically bonded
A state of matter whose molecules are tightly packed and has a definite shape and volume.
What is a solid.
A positively Charged subatomic particle found in the nucleus of an atom.
What is proton.
The three _______- of _________ are Solids, Liquids, and Gasses.
What is States of Matter.
The amount of space an object takes up.
What is Volume.
We call each kind of atom an ___________.
What is element.
A state of matter whose molecules are spread apart and does not have a definite shape or volume.
What is a gas.
A Negatively Charged subatomic particle in an atom.
What is an electron.
The building blocks of matter.
What is an atom.
The amount of matter in an object.
What is Mass.
The smallest part of an element that has the same properties of the element is an ____________.
What is an atom?
Anything that takes up space and has mass.
What is matter.
Hydrogen, Oxygen, Carbon and Nitrogen are elements that make up almost all ___________.
What is Living things?