The number of chlorine atoms in the formula (2 CaCl2).
What is 4 chlorine atoms?
200
A system in which no atoms are allowed into a reaction or out.
What is a closed system?
200
A transfer of electrons
What is an ionic bond?
200
Draw the bond for Carbon + Oxygen.
What is - (a single line)?
200
The maximum number of electrons on the second shell.
What is 8 electrons?
300
The number of hydrogen atoms in the formulas (5 H2SO4)
What is 10 hydrogen atoms
300
Reactants
What are the beginning materials in a chemical reaction?
300
The step after two atoms are near each other.
What is the protons of one atom are attracted to the electrons of the other atom?
300
The number of electrons that share a single bond.
What is 2 electrons?
300
Nonmetals form this kind of bond.
What are covalent bonds?
400
The number of oxygen atoms in the formulas 4 C6H12O6.
What is 24 oxygen atoms?
400
The term for the arrow between reactants and products
What is "yields"?
400
An atom with 1 less electron.
What is a positive ion?
400
The representation for a double bond.
What is = (double lines)?
400
Two or more different types of elements joined together form this.
What is a compound?
500
The number of atoms for each element in the formula (4 N2O3).
What is 8 atoms of nitrogen AND 12 atoms of oxygen.
500
In the following reaction, 2Na3N decomposes to form 2Na plus 3N2. If 500 g of NaN3 decomposes to form 323.20 g of
N2, How much Na is produced? (Think about the Conservation of Mass!)
What is 176.8 g of Na?
500
A chlorine ion (will it be positive or negative?)
What is a negative ion?
500
List all three steps in covalent bonding.
What is 1) Atoms are near each other 2) The protons of one atom are attracted to the electrons of the other atom 3) the two atoms share a pair of electrons?