Periodic Trends
Bonding
Nomenclature
Atomic Structure
Random
100
What periodic table group includes argon, krypton, and xenon?
Noble Gases
100
Ionic compounds are formed by ionic bonds between
metal and non-metal
100
Ionic Compound is a bond between a _______ and a __________
Metal and non-metal
100
Classify the following mixtures as homogeneous or heterogeneous.
a. coffee
b. cereal
c. milk
a. Homogeneous
b. Heterogeneous
c. Homogenous
100
What element has the highest electronegativity?
Fluorine
200
The energy required to remove an electron from an atom is called...
ionization energy
200
Which of the following atom's Lewis dot structure shows six valence electron?
a. N b. Mg c.S d. I
Sulfur
200
What is the chemical formula for aluminum oxide?
Al2O3
200
The mass of a particular ________ is equal to its proton + neutrons
Isotope
200
The closeness of measurements to the correct or true value _______
Accuracy
300
Which of the groups below contain elements that will form +2 ion?
alkaline earth metals
300
Atoms form bonds to _______ potential energy and
_______ stability.
Decrease, Increase
300
What kind of bond is sodium chloride?
Ionic bond
300
Determine the number of neutrons in
2311 Na
12 neutrons
300
What kind of bond is dinitrogen monoxide?
Covalent bond
400
The horizantal rows on the periodic table on the periodic table are called
periods
400
Draw: The lewis structure for CH3Br
400
Use a list of polyatomic ion and name the following compounds:
a) Co(NO3)2
Cobalt (II) Nitrate
400
What is the element that has 16 neutrons and 15 electrons?
Phosphorus
400
How many significant figures does 3,489 have?
4 sig figs
500
Within a group of elements, what is the trend for atomic radius moving down the Group?
Increases
500
Determine the Lewis structure for the Nitrate ion, NO3. Then predict its molecular geometry
a. tetrahedral
b. trigonal planar
c. bent
d. linear
trigonal planar
500
Which of the following correctly represent the formula for
iron (III) chromate?
a.) Fe2(CrO4)3 b.) Fe2(CrO4)2 c.) Fe3(CrO4)2 d.) Fe3(CrO4)3
A) Fe2(CrO4)3
500
All atoms of the same element have the same _____ ___ _______
Number of Protons
500
What are the three safety rules followed during the lab?
Hair tied up
Closed-toe shoes
No lose jewelry
No loose clothing
No Food
No Horseplaying