other stuff Flashcards
1
Q
what is a atom?
A
same protons and neutrons
2
Q
what is a isotope?
A
atoms of the same element with diffrent numbers of neutrons are called isotopes
3
Q
what is a ion?
A
a loss or gain of electrons
4
Q
what is a cation?
A
a positive ion, # of proton > # of electrons
5
Q
what is a anion?
A
a negative ion, # of elctron> # of protons
6
Q
metals always ___?
A
lose electrons
7
Q
atomic number?
A
of protons and # of electrons
8
Q
mass number?
A
of protons + # of neurons
9
Q
of neutrons?
A
MASS NUMBER-ATOMIC NUMBER
