Answer:
Reaction rate is increased by an increase in kinetic energy
of the reacting particles when their
is _temperature_
increased
A . Collision theory
B . Surface Area
C . Temperature
D. Concentration
It would be a chemical change
This means that there are 7 protons in the nucleus of a nitrogen atom.
Answer:
Magnetic property
Explanation:
Iron filling is a magnetic compound, unlike the salt crystals. This means they are attracted by magnets.
To separate a mixture of iron filling s and salt crystals, a magnet should be used to remove the iron fillings from the mixture.
Argon has 24 known isotopes.