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Physical Science XWord 49

PS Assignment 49
Martin Boudreau GWHS
Across
Number of particles (atoms) in something
Protons & neutrons are called this
Atom with one proton
Atom with 92 protons
2 ups & 1 down quarks makes a _______.
Holds atoms together to make a molecule
Used to make molecules
A chemical bond
Electrons are called this
Have a negative charge
Down
Matter takes up ______ and has mass.
A quark flavor
The atom (element) we breath in
Can make a proton
Number of molecules in the world
Atomic mass - atomic number = ________.
Force that holds atoms together
A chemical bond
A force that helps hold atoms together
Total number of types (flavors) quarks