Combustion, Heat, & Energy
What is energy?
the capacity to do work or produce heat.
What is Atomic Number= to?
#of protons
What is a poor conductor of heat and electric current?
Metals
Do anions have a + or - charge?
Negative (-)
What's a chemical formula?
shows element symbol & # of each element (subscript).
What is kinetic energy?
used energy
What is mass number?
always the bigger #
Where are the metals on the periodic table located?
On the left side of the Metalloid line
positive (+)
What method is used to writing ionic chemical formulas?
Criss cross method. (unless equal, just combine)
What is potential energy?
stored energy
What charge does a proton have?
positive (+) charge
Where is a non-metal located on the periodic table?
The right side of the Metalloid Line
what is covalent bonding?
when nonmetals with nonmetals bond and share electrons.
Does the cation or anion go first when writing ionic formulas?
Cation
what charge does neutrons and electrons have?
neutrons=no (0) charge
electron=negative (-) charge
What is the line called between the metals and non-metals?
Metalloid line
Ionic bonds are...
the transfer of electrons between atoms for ions.
What is a Binary Compound?
2 atoms bonded together.
What is the Law of Conservation of Energy?
atoms that have the same # of protons BUT different # of neutrons are called...
Isotope
shorten method of writing full electron configuration starting at previous noble gas row.
What are 4 properties of ionic compounds?
-High melting point (Mp)
-Metal & Non-metal
-Soluble in water
-Conduct electricity
What are polyatomic ions?
group of atoms covalently bonded together.
Have parenthesis & overall group has a charge.