Atomic Structure
What is the charge of each subatomic particle?
proton - positive
neutron - neutral
electron - negative
What information can be found by looking at the groups and periods on the periodic table?
Groups - valence electrons
Periods - energy levels
Charge from gaining 2 electrons
-2
What are 3 graded things in lecture?
learning modules, exit tickets, exams
Which subatomic particle(s) DOES NOT contribute greatly to the mass of an atom?
electron
What groups make up the MAIN GROUP elements?
Group 1, 2, 13-18
Isotopes are atoms with the same # of ___________ and different # of ____________
protons, neutrons
What are 2 things you can use to study for exit tickets and exams?
review notes, practice ET and exams
What charge does the nucleus and electron cloud have respectively?
nucleus - positive (+)
electron cloud - negative (-)
What group of elements on the periodic table has varying (different) number of valence electrons depending on the atom
Transition metals
What 2 things are different between isotopes of the same element?
# neutrons, mass #
Where can you find your review notes and practice ET and exams?
Unit packet
Where is the atom's mass found?
the nucleus
Name and element on the periodic table that is UNreactive
He, Ne, Ar, Kr, Xe, Rn
Positive ion
cation
Where must you go to find all your college assignments?
Onramps College Canvas
Which of the following is TRUE?
I. the atom has a large, positive nucleus
II. the atom is mostly empty space
III. most of the atom's volume is found in nucleus
II. the atom is mostly empty space
Which 2 families on the periodic table are the MOST reactive?
Alkali Metals & Halogens
Charge of an oxygen ion
-2
When is your first Exit Ticket?
TODAY!!!