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Welcome to AP Chemistry
Welcome to AP Chemistry
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Welcome back to chemistry.
Flashcards
25 cards
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Questions
25
Answers
1
Which element has the greatest number of valence electron?
Gallium
Potassium
Bromine
Calcium
2
How are the transition elements classified?
Nonmetals
Metalloids
Gases
Metals
3
In order to make a 4 or 5 on the AP Chemistry test, I must do everything except...
Complete HW and Labs
Study Nightly
Be charming
Study for tests
4
Nitrogen has an oxidation number of _____
-2
+3
-3
+2
5
What is the correct name for XeF4?
Tetraxenon Fluoride
Xenon Tetrafluoride
Xenon Quadrafluoride
Xenon Fluoride
6
What type of bonding do diatomic elements have?
Polar
Ionic
Dipole
Covalent
7
Which Noble Gas is found in Light Bulbs?
Neon
Argon
Krypton
Helium
8
A metal created by combining two or more metals is called a ___.
Compound
Alloy
I have no idea
Fluke
9
Americium is the element used in smoke detectors.
True
False
10
The most striking property of this family is their inactivity.
Halogens
Chalcogens
Lanthanides
Noble Gases
11
Which transition element is used in making steel and as a dietary supplement?
Cupper
Iron
Wolfram
Tin
12
Which family reacts violently with water?
Chalcogens
Alkali Earth
Halogens
Alkali
13
Which Alkali metal element has the fewest electrons
Fr
K
Ca
Li
14
Which family has elements that are considered "the most reactive" of all elements?
Alkali Metals
Actinides
Noble Gases
Transition Metals
15
How many moles of water have a mass of 72 grams?
4 moles
1 mole
3 moles
2 moles
16
Which Halogen is liquid at room temperature?
Fluorine
Bromine
Chlorine
Iodine
17
Iron is the most abundant element in the earth's crust.
True
False
18
Which transition element is used in making coins, batteries, and plating jewelry?
Iron
Cobalt
Nickel
Mercury
19
What element is used to make matches?
Cobalt
Phosphorus
Lithium
Nitrogen
20
Which element in the Lanthanide series causes the RED color in computer screens?
Pr
La
Eu
Er
21
Which of the following is not an allotrope of Carbon?
Diamond
Buckeyballs
Glass
Graphite
22
Which Alkali Earth Metal is found in chlorophyll?
Mg
Mn
C
Fe
23
What is the most abundant metallic element in the Earth's crust?
N
Al
Fe
Zn
24
Strontium gives fireworks their ______ color.
Blue
Green
Yellow
Red
25
Noble gases take on a -2 charge when they become ions.
False
True