Atomic Structure Flashcards
What is the nucleus made up of?
Protons and neutrons
What is the charge and mass of a proton
Positive, 1
What is the charge and mass of a neutron?
No charge, 1
What is the charge and mass of an electron??
Negative charge, negligible or 1/2000
What is an isotope?
An atom of a given element with a different number of neutrons (mass number)
What is an ion?
An ion is an atom which has either a positive or negative charge
When does ionic bonding happen?
Between a metal and a non-metal
How does ionic bonding happen?
The metal donates electrons to the non-metal
When does covalent bonding happen?
Between two or more non-metal atoms
How does covalent bonding happen?
The two or more non-metal atoms share electrons to obtain a full outer shell
What are some of the properties of metals?
Good conductors Malleable (shape) Ductile (made into wires) Strong Fairly hard