Introduction To Chemistry Study Questions Part 2

Substances formed as a result of a chemical reaction are called
catalysts
precipitates
products
reactants
In an endothermic reaction, energy is
absorbed
released
converted to mass
synthesized
The smallest particle matter can be divided into is the
electron
neutron
isotope
atom
The positively charged particle in an atom's nucleus is the
electron
neutron
proton
isotope
Which part of the atom is negatively charged?
Proton
Electron
Neutron
Nucleus
If the sun shining through windows heats the air in a sealed room, what happens to the air pressure in that room?
It decreases
It will vary
It increases
It remains constant
The temperature when a liquid turns into gas is
called the freezing point
called the boiling point
100 C
the same for an amorphous or a crystalline solid
0
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