SIG FIGS
Conversion Practice
Periodic Table
Isotopes and Charges
Mystery!
100
How many sig figs?
0.0009873
4
The zeros at the front do not count!
100
Convert 3900g into kg
DRAW OUT CONVERSION
1000g= 1kg
3.9kg
100
What is the first group on the Periodic Table called?
Group A1: ________
Alkali Metals
100
What gives an atom its identity?
Atomic # aka The number of PROTONS
100
Give me an example of physical vs. chemical change
200
Pick the number written with 3 sig figs
a. 0.000067543
b. 3.907
c. 5.48
d. 67.08
c. 5.48
There are 3 sig figs!
Tell me why the rest aren't...
200
Convert 3.00 x 10^6 miles into meters
1 miles= 1609.3 meters
4.83 x 10^9 meters
200
What is the second group on the Periodic Table called?
Group 2A: ________
What is the seventh group on the Periodic Table called?
Group 7A: ________
Pt. 1: Alkaline earth metals
Pt. 2: Halogens
200
How many protrons are in an neutral Ca atom?
20 protrons
200
What is the lowest state of energy something can be in? AND WHY??
Solids!
300
12.98 + 7.0= _________
and write the correct sig figs!
20.0
12.98 = 2 decimal places
7.0 = 1 decimal places
Add together!
300
Convert 120 degrees C into degrees F
°Fahrenheit = (9/5) °Celsius + 32
248 degrees F
300
Pt. 1: What is the eighth group on the Periodic Table called?
Group 8A: ________
Pt. 2: What element is in ROW 3 PERIOD 6
Pt. 1: Nobel Gases
Pt. 2: Sulfur (S)
300
How many protrons, neurtons, and electrons are in a neutral Cl atom? How does that relate to the atomic mass?
17, 17, and 17
Atomic Mass of Cl = 35.45 (p + n)
300
Define an Isotope...
same # of protons, differing in neutrons
400
23.982 x 0.035 = __________
and write the correct sig figs!
0.84
400
Convert 8.23 x 10^8 m/s into mph
(HINT- how many steps?)
3600 seconds = 1 hour
1 mile = 1609.3 meters
1.84 x 10^9
400
Name the 3 main groups of elements and where they are found on the Periodic Table
1. Metals (Middle D-block)
2. Metalloids (Diagnol from Boron for the most part)
3. Nonmetals (Hydrogen + top right corner)
400
What does the numbers on the top and bottom represent? 
4 = atomic mass
2 = atomic # (protons)
400
What state is your AWESOME SI originally from???
Illinois!
500
Tell me how many sig figs in EACH number and EXPLAIN the rules for each
a. 12.0
b. 1205
c. 1200
a. 3 (Look at decimal)
b. 4 (Zero is inbetween)
c. 2 (No decimal)
500
The density of Maddie's secret mixute is 123.98g/mL. What is the volume of 34kg of her mixture?
D = M/V
274.24mL
500
Explain each part of the blocks on the Periodic table and what they mean
Atomic number (protons), Atomic Mass (nucleus), Atomic Symbol (C for Carbon), and Name
500
Complete the empty row for lead
Pb
#82
p = 82
e = 82
n = 126
500
Who created the Periodic Table of Elements?
Dmitri Mendeleev