Chapter 1.2 Atomic Theory Flashcards
1
Q
The atomic number of an element tells you
A
how many protons an atom of that element has.
2
Q
The mass number of an element is equal to the
A
number of protons plus neutorns
3
Q
Isotopes are atoms with the same atomic number but
A
different mass numbers
4
Q
An ion is a charged particle formed when an atom
A
gains or loses electrons
5
Q
Metal atoms lose electrons to form
A
positive ions
6
Q
non-metal atoms gain electrons to from
A
negative ions
7
Q
Different atoms of the same element have identical
A
atomic numbers
8
Q
Isotopes of an element have different
A
mass numbers
