Show:
atoms
periodic table
chemical changes
force
landforms
100
determines identity
protons
100
elements are similar in the same
group
100
the arrow on an equation
yield
100
change in anything
acceleration
100
close lines on topographic map
steep
200
neutral 1amu mass
neutron
200
metalloids and located
on stairs
200
80% of the time this reaction is not chemical
color change
200
slid a book across table what stops it
friction
200
lines on topographic map
contour
300
determines properties
valence electrons
300
the numbers on the side are called and tell
periods energy shells
300
law of conservation of mass says
what you start with is what you end with
300
forces when a book on a table at rest
balanced
300
landform that can make volcanos
mid ocean ridge
400
how are neutrons determined using PEN
subtract atomic mass and atomic number
400
an element with similar properties to gold
copper or silver
400
something new
chemical change
400
book on table is gravity pushed down 20N what pushes up with how much force
20N table
400
kinetic is located
near bottom
500
how can you tell an atom is reactive
last energy shell not full
500
group 18 has this many valence electrons
8
500
on an equation if you have 50g on the reactant how much is on the product
50g
500
a man pushes a box what is being done
work
500
subduction zone
trench