(Quarter 1)
What symbol on the periodic table is Oxygen?
O
What are the 4 blocks in the periodic table?
s-block, p-block, d-block, and f-block
What does a mole equal?
602 hexamillion or 6.02 x 1023
When using gas laws, you must always convert the temperature to...
Kelvin
True or False: Atoms and Molecules are the same thing.
True
What is the Atomic Number of Iron?
The Atomic number of Iron is 26.
What is an ion?
A charged particle.
What is molarity?
Number of moles of solute in 1 liter of solution.
Gaylussac Law uses...
Pressure and Temperature
Where is the Carbon group located on the periodic table and how many valence electrons does it have?
Located in group 14. They have 4 valence electrons.
What is a valence electron??
An electron on the outermost shell.
How many electrons does P hold?
P holds 6 electrons.
How many grams are in 88.1 moles of magnesium?
21,409 grams
What law uses volume and mole?
Avagadro's law
How many molecules are in 3 moles?
2.806 x 1025
What is an Isotope?
An atom with more neutrons than protons.
What does ground state mean?
The arrangement of electrons around the nucleus of an atom with lower energy levels
How many grams are in 0.02 moles of beryllium iodide, BeI2?
5 grams
A gas occupies 900 ml at a temp of 27 C. What is the volume at 132 C?
1,215 ml
What is the molarity of NaOH with 4 moles dissolved with 2 liters?
2%
They are all in group 18 of the periodic table. They have 8 valence electrons. And they are all stable.
For n=3 there are...
3 sublevels: s, p, and d
How many moles are in 68 grams of copper (II) hydroxide, Cu(OH)2?
0.70 moles
What happened to the number of moles in a sample that originally occupied 500 ml with 2.5 moles and then occupied 750 ml?
3.75 mol
What is the molarity of a solution of NaOH is there in 4 moles of NaOH in dissolved water to make 1 liter of solution?
4%