Chapter 2 Flashcards
What is an Atom?
structural unit of an element , its the smallest form that retains the chemical and physical properties of that element
What is the charge of electrons?
Negatively charged
What is the charge of proton?
Positively charged
What is the charge of a neutron?
neutral charge = NO charge
How much volume and mass does electrons have?
All volume & hardly any mass.
how much volume and mass does protons have?
Mostly mass & hardly any volume
What is the charge of the nucleus?
positively charged
what is an Electron?
A cloud of negative charge that surrounds the nucleus
Far away from the nucleus
Change of protons
change of identity of atom/element
change of electrons
defines # of ions
change number of neutrons
defines the isotope of the atom and element
What are ions?
atoms that have a charge
What are isotopes
Atoms of an element containing the same number of protons, but different number of neutrons.
