Ions Flashcards
Group 1
+1
Group 2
+2
Group 3
+3
Group 5
-3
Group 6
-2
Group 7
-1
Groups 1,2 and 3 —- electrons
Lose
Groups 5,6 and 7 —- electrons
Gain
1st shell- maximum of
2nd she’ll - maximum of
3rd she’ll maximum of
2
8
8
Atomic number?
Number of protons = number of of electrons
Mass number?
Number of protons plus the number of neutrons
Realitive mass of proton=
1
Realitive mass of neutron =
1
Realitive mass of electrons=
1/1836
Realitive charge of proton
+1
Realitive charge of neutron
0
Realitive charge of electron
-1
Which groups are metals in?
1, 2, 3
What group are nonmetals in?
5, 6, 7
What is the charge of hydrogen?
+1
What is atomic number?
Number of protons which is equal to the number of electorons
What is the mass number?
Number of protons + number of neutrons