Show:
Periodic Table Trends
Periodic Table Families
Oxidation Numbers
Chemical Bonding
Acids and Bases
100
What is the period and group number for Selenium (Se)?
Period: 4 Group: 16
100
What is the family name of group 1?
Alkali Metals
100
If an element has 7 valence electrons, how many electrons will it gain or lose to become stable?
gain 1 electron
100
An ionic bond is between a __________ and __________.
Metal and non metal
100
What is an appropriate pH number for a strong acid?
0-3
200
If an element has similar chemical properties as Sb, and has a larger atomic radius than Sb, what element am I thinking of?
Bismuth (Bi)
200
How many valence electrons do the elements in the alkaline earth metals family have?
2 valence electrons because they are in group 2
200
Magnesium is in group 2. What will be the oxidation number (ion) of this element?
Mg +2
200
What is the covalent bond mechanism for FBr?
They each need to share 1 electron
200
Draw the full pH scale. Be sure to include the numbers 0, 7, and 14. Be sure to also include strong acid, neutral, weak base, weak acid, and strong base.
strong acid (0), weak acid, neutral (7), weak base, strong base (14)
300
What is the only exception to the metal and non-metal rule? What is this element?
Hydrogen (H) is on the left side, but is a non-metal.
300
Which family is the least reactive?
Noble Gases
300
If I have a mystery element named Happium (Hp) with 120 protons and 5 valence electrons, what would the Lewis Dot Diagram look like?
Hp with 5 valence electrons
300
What is the ionic bond mechanism for KCl?
K will give 1 electron to Cl
300
What element do all acids have in common?
Hydrogen
400
When moving across a period, what number is increasing by 1?
Atomic number
400
Name three elements with stable electron configurations.
He, Ne, Ar, Kr, Xe, Rn
400
Will Neon (Ne) gain or lose any valence electrons? Explain.
No, Neon already has 8 valence electrons and is stable.
400
What is the covalent bond mechanism for Nitrogen and Hydrogen?
NH3
400
If I have a solution with an original pH of 12, and I add a new solution to change the pH to 8, did my solution become more acidic or more basic? Why?
More acidic because the numbers are decreasing towards the acidic side.
500
Name the 7 metalloids.
Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb), Tellurium (Te), Pollonium (Po)
500
Why are the rare earth metals at the bottom of the periodic table?
They are there to maintain pattern.
500
If am element has to gain 3 electrons to become stable, what group is the element in?
Group 15
500
What is the four step ionic bond mechanism for Aluminum and Fluorine?
AlF3
500
Describe the neutralization reaction using the words acid, salt, water, and base.
An Acid and Base combine to form a salt and water.