Periodic Table
What is the smallest element?
Hydrogen
C
Carbon
A rearrangement of the atoms or molecules of two or more substances that come into contact with each other.
Reaction
NaCl
Compound
What is the subatomic particle that gives an atom its identity?
Proton
The Atomic Number refers to how many what?
Protons
Li
Lithium
The substance or substances, whether solid, liquid, or gaseous, of which any physical object consists or is composed
Matter
Pu
Element
Atoms locked in a structure are what state of matter?
Solid
How do you find the Atomic Mass?
Protons + Neutrons = Atomic Mass
Sn
Tin
The smallest component of an element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction.
Atom
H2O
Compound
A state of matter, composed of atoms or molecules in constant random motion.
Gas
The Noble Gas' such as Helium, Neon, and Argon are electrically neutral. What does that mean?
Same number of Protons and Electrons
Pb
Lead
The smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.
Molecule
H2O + CO2
Mixture
A state of matter, composed of atoms or molecules in constant random motion with energy running through it
Plasma
The periodic table of today owes its development to two chemists namely Lothar Meyer and ...
Dmitri Mendeleev
W
Tungsten
Substances that cannot be separated into simpler substances by chemical means.
Element
C6H12O6 + H2O is a Mixture but is it Heterogeneous or Homogeneous?
Homogeneous
An atom is mostly made up of...
Empty Space