Chapter 2 The Chemical Basis Of Life Flashcards
Anything that occupies space and has mass
Matter
3 types of matter
Solid, liquid, gas
Amount of matter in an object
Mass
Gravitational force acting on an object
Weight
It is the simplest form of matter
Element
Smallest particle of an element
Atom
What makes up an atom
Protons, electrons, and neutrons
What are the subatomic particles
Proton, neutron, electrons
Define Proton
Positive charged particle located inside the nucleus
Define neutron
Neutral charged particle located inside the nucleus
Define electron
Negative charged particle located outside the nucleus
Define atomic number
The number of protons in each atom
Define mass number
The number of protons and neutrons in each atom
When do chemical bonds happen
Chemical bonds occur when outermost electrons (valence electrons) are transferred or shared between atoms
Types of chemical bonds
Ionic, covalent, hydrogen