AND
NEUTRONS
TRUE OR FALSE
HASSIUM (HS) BELONGS TO ACTINIDES?
FALSE, IT BELONGS TO TRANSITION METALS.
What are the three important temperture scales?
Celsius, Fahrenheit, Kelvin.
Convert 3500 ml to M
3.5m
List the number of Significant Figures:
0.0420
3
What is the name of the energy required to remove one last electron in an atom?
Ionization
WHAT IS ONE ELEMENT THAT BELONGS TO THE S BLOCK, THATS IN THE P BLOCK SELECTION?
HELIUM
When converting 10° C to F what formula will be used
F=( C x 9/5)+ 32
convert 4m into cm
400cm
List the number of Significant Figures:
106.90
5
Choose the correct possible answer; Electronegativity and Ionization energy will.
a. Increase from left to right in a period.
b. Decrease from top to bottom in a group.
c. Increase from top to bottom in a group.
d. Decrease from right to left in a period.
b. Decrease from top to bottom in a group.
How many neutrons does Magnesium (Mg) have?
12 NEUTRONS
When converting 10° to K. what formula will be used.
K= C + 273
convert 7.5km into mm
7500000mm or 7.5 x 10^ 6mm
List the number of Significant Figures:
72.430g/cm^3
5
Which of the following elements will be expected to have the largest atomic radius; (Pd) Palladium, (Sn) Tin, (Br) Bromine, (F) Fluorine?
(Pd) Palladium
HOW DO YOU FIND THE MASS NUMBER?
PROTONS+NUETRONS
Convert the following to Celsius and kelvin
32°F
C= (32-32) x 59 k= (45+460) x 5/9
C=0° k=280.56°
convert 5.5cm into Km.
.000055km or 5.5 x 10^ -5 km
Multiply (w/ the appropriate # of sig figs):
10.10 x 11.11 =
112.211= 112.2
Moving left to right in a period, the atomic size of an atom will decrease because?
The nucleus is holding a greater number of electrons; therefore, it becomes tighter.
FIND HOW MANY PROTONS AND NEUTRONS ARE IN 18^O.
PROTONS: 8 NEUTRONS: 10
Convert the following to kelvin and Fahrenheit:
0°C
k=0 + 273 F= (0°x9/5) +32
K=273° F=32°
Convert 350ml into gallons, round three places. (1g= 4 quarts) (946ml = 1qt)
.092g
Add (w/ the appropriate # of sig figs):
11.155 + 11.95
23.105= 23.11
Arrange the following elements from most amount of electronegativity to less; (N) Nitrogen, (Bi) Bismuth, (Sb) Antimony and (I) Iodine.
(N), (I), (Sb), (Bi)