Atomic Properties
Periodic Table
Compounds and Bonding
Chemical Reactions
Misc
100
The inner part of an atom that contains the proton and the neutron.
What is the nucleus
100
Consists of only one type of atom
What are elements
100
Formed when two or more different elements are chemically combined.
What are compounds
100
The starting materials of a reaction
What are reactants
100
What element has the symbol Ca?
What is calcium?
200
These particles have a positive charge and are found inside the nucleus.
What are protons?
200
Equal to the number of protons; identifies each element
What is the atomic number
200
Uses element symbols and numbers to show the proportion of each atom in the molecule.
What is a chemical formula
200
The substances made in a reaction
What are products
200
How many electrons does an atom of carbon have?
What is 6
300
These particles are located within the nucleus, and have no charge.
What are neutrons
300
Which element is shown?
Iron
300
Hold atoms together and are formed by the valence electrons.
What are chemical bonds
300
A type of reaction with this format:
A + B --> C
What is synthesis
300
Water is made of these two elements.
What are hydrogen and oxygen?
400
These particles are negatively charge and are found outside the nucleus.
What are electrons?
400
What is the significance of 55.845?
What is the average atomic mass
400
Bond formed when valence electrons are transferred from one atom to another.
Ionic bond
400
A type of reaction in which energy is required
What is endothermic
400
What type of bond would form between carbon and oxygen?
What is covalent?
500
Most of the mass of an atom is located here.
What is the nucleus
500
Atoms of the same element that have a different number of neutrons.
What are isotopes?
500
Bond formed when valence electrons are shared.
Covalent bond
500
A type of reaction in which energy is required.
What is exothermic
500
The term for a substance that speeds up a reaction but is not consumed in the reaction?
What is a catalyst