Mixtures
what is a mixture?
2 or more different substances physcially combined.
Name one of the noble gases
Helium, Neon, Argon, Krypton, Xenon, Radon
What requires at least two smaller atoms to occur?
Fusion
What kind of energy is stored in a chemical bond?
Potential energy
what is a homogenous mixture
which the compostion is uniform throughout
What is the chemical symbol for Zirconium?
Zr
What generates nuclear waste that must be stored or buried?
Fission
As energy is released during the formation of a bond the stability of the chemical system generally?
Increases
what is a heterogenous mixture
which the composition is not uniform throughout
What is the element name for Hg?
Mercury
What is the least dangerous radiation?
Alpha
Covalent bonds form when?
Two nuclei share electrons
what is an example of a heterogenous mixture
soil
What element has the atomic number of 89?
Actinium
What type of radiation is identical to an electron?
Beta
polar covalent bonds are caused by?
Unequal electronegativity values
what is an example of a homogenous mixture?
lemonade
What is the atomic mass of uranium?
238.03
What is the difference between Fusion and Fission?
Fusion-combines light atoms (like hydrogen) into heavier ones (like helium).
Fission- splits a heavy atom into smaller ones to release energy.
When a chemical bond forms between 2 hydrogen atoms the potential energy?
Decreases