Chemistry - Chapter Four: Atomic Structure Flashcards
What is Relative Atomic Mass?
the average atomic mass of all isotopes of an element
What are isotopes?
atoms with a different number of neutrons
What is the mass of an electron?
1/1836
What is the atomic number
the number of protons in an atom
What is the mass number?
the number of protons and neutrons innan atom
What is an element molecule
a molecule consisting of the same types of atoms chemically joined togther, also known as an element
What is a compound?
more that one different types of atoms chemically joined together
Where are protons and Neutrons located?
in the nucleus
What are electrons?
Minus one charged leptons
What are neutrons?
Neutrally charged baryons
What are protons?
Plus one charged baryons
What is an atom?
The smallest part of an element still shwoing the properties of said element
What is a molecule?
More than two atoms joined together by covalent bonds