CHM 151 Midtern Rio Salado ACTUAL UPDATED QUESTIONS AND CORRECT
ANSWERS
Protos is = to what atomic number
protons is = to what electrons
protons + neutrons= mass number
, difference between the mass # and the atomic # neutrons
atoms are____________ if they contain the same # of electrically neutral
positively charged protons and negatively charged
electrons.
if the atom does not have equal protons and electrons it ion
is a
gains electrons and will have a negative charge anion
positively charged atoms when an atom loses electrons cations
group 1 is what charge 1+
group 2 is what charge 2+
zn is what charge 2+
Ag is what charge 1+
Cd is what charge 2+
Ga is what charge 3+
Al is what charge 3+
Group 13 is what charge 3+
carbon is what charge 4+ or 4-
group 14 is what charge 4+
ANSWERS
Protos is = to what atomic number
protons is = to what electrons
protons + neutrons= mass number
, difference between the mass # and the atomic # neutrons
atoms are____________ if they contain the same # of electrically neutral
positively charged protons and negatively charged
electrons.
if the atom does not have equal protons and electrons it ion
is a
gains electrons and will have a negative charge anion
positively charged atoms when an atom loses electrons cations
group 1 is what charge 1+
group 2 is what charge 2+
zn is what charge 2+
Ag is what charge 1+
Cd is what charge 2+
Ga is what charge 3+
Al is what charge 3+
Group 13 is what charge 3+
carbon is what charge 4+ or 4-
group 14 is what charge 4+
