Atoms
Chemical Reactions
Radioactive Isotopes
Chemical Bonds
Chemical Equations
100
Building block of matter
What is a atom
100
Taken place include the production of heat or light and a formation of a gas,liquid,or solid
What is chemical reaction
100
Is a radioactive isotope that is found in all living things
What is carbon-14
100
Compound in which the atoms are held together by covalent bonds
What is molecule
100
The minimum amount of energy needed for reactants it form products in a chemical reaction
What is activation energy
200
An atom are made up of even smaller particles
What is neutrons,protons,electrons
200
What are two types of reactions
What is physical and chemical
200
When a nucleus breaks apart it gives off radiation that can be detected and used for many applications.
What is radioactive isotopes
200
An electrical attraction between two oppositely charged atoms or group of atoms.
What is ionic bond
200
In chemical reactions,matter cannot be created or destroyed.
What is balanced equations
300
Chemistry is the study of matter-it's composition and properties
What is atoms
300
How do you know when a chemical reaction has taken place
What is a different substances
300
Also in therapy to treat cancer
What is radioactive isotopes
300
An atom that has lost or gained one or more electrons becomes
What is ion
300
A process by which atoms or groups of atoms in substances are reorganized into different substances
What is a reactants
400
Are positively charged particles
What is a proton
400
A process by which atoms or groups of atoms in substances are reorganized into different substances
What is a chemical Reactions
400
An atom of the same element that have different number of neutrons
What is isotope
400
These attractions between the molecules are called
What is van Der waals forces
400
A starting substances on the left side of the arrow
What is products
500
Located at the center of the atom
What is a nucleus
500
What kind of things produce heat?
What is energy change and chemical reaction
500
Is a pure substance formed when two or more different elements combine.
What is compounds
500
Cheimical bond that forms when electrons are shared is called a
What is covalent bond
500
What does this make c6 H12 O6 +O2+H2o
What is reactants to products
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