More Atoms!
Properties of Matter
Classification of Matter
Structure of the Atom
Bonding
100
Vertical column on the period table.
What is a group?
100
Properties such as color, size, or shape.
What are physical properties?
100
Type of matter with a fixed composition.
What is a substance?
100
Smallest part of an element that still has the properties of that element.
What is an atom?
100
Tells what elements a compound contains and the exact number of the atoms of each element.
What is a chemical formula?
200
Current model of the atom.
What is the electron cloud model?
200
Characteristic of a substance that indicates whether it can undergo a certain chemical change such as flammability.
What is a chemical property?
200
Mixture in which different materials can be distinguished easily.
What is a heterogeneous mixture?
200
Where protons and neutrons are found.
What is the nucleus?
200
The name of a charged particle.
What is an ion?
300
Diagram showing the electrons in the outer energy level.
What is an electron dot diagram?
300
An example is the freezing of water.
What is a physical change?
300
All of the atoms in the substance have the same identity.
What is an element?
300
Atomic particle with a negative charge.
What is an electron?
300
Bond formed by sharing electrons.
What is a covalent bond?
400
Number that states how many electrons an atom needs to gain, lose, or share to become stable.
What is an oxidation number?
400
The mass of substances before a chemical change equals the mass of substances after the change.
What is the Law of Conservation of Mass?
400
Also called a homogeneous mixture.
What is a solution?
400
Atomic particle that does not have an electrical charge.
What is a neutron?
400
Neutral particle that is the result of covalent bonding.
What is a molecule?
500
Atoms of the same element that have different numbers of neutrons.
What are isotopes?
500
The three dimensional space an object takes up.
What is volume?
500
Scattering of light in colloids.
What is the Tyndall effect.
500
Makes up protons and neutrons.
What are quarks?
500
Positively or negatively charged, covalently bonded group of atoms.
What is a polyatomic ion?
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