Atoms
Atomic Bonds
Chemistry (pH)
Miscellaneous 1
Miscellaneous 2
100
Whats the maximum number of electrons the first "Electron Energy Shell" of an atom can hold?
2
100
What type of atomic bond is formed when two ions are attracted to each other due to opposite charges?
Ionic Bond
100
Does an acid or base have a pH below 7?
Acid
100
Where is the sub-atomic particle, Proton, found?
An atom's nucleus
100
In the hierarchy system of classification,
What taxon comes after Order?
Family
200
What type of atom has gained or lost an electron?
Ion
200
What atomic bond is weak and easily disrupted by water?
Ionic bond
200
A Deficiency in this element causes Goiter.
A) Boron
B) Iron
C) Iodine
D) Florine
E) Manganese
C) Iodine
200
What are the 4 most common elements in living things?
(Chon)
Carbon
Hydrogen
Oxygen
Nitrogen
200
Which one of these Binomial nomenclatures are written correctly?
A) Tyrannosaurus Rex
B) Tyrannosaurus Rex
C) tyrannosaurus rex
D) Tyrannosaurus rex
D
300
How many valence electrons does "Si" have?
4 valence electrons
300
Which atomic bond is the strongest?
Covalent bond
300
A _______ is a substance that donates H+ or OH- ions to a solution.
Buffer
300
Which of the below are characteristics of a good Hypothesis?
A) Include a control group
B) Be testable and falsifiable
C) Be repeatable
D) all of the above
E) Only A & B
B) Be testable and Falsifiable
300
Which one of these properties of water are important for living things?
A) less dense when solid
B) high specific heat
C) Cohesion
D) Exists in nature as all 3 states of matter
E) all of the above
E)
400
What type of atom is used in carbon dating?
Isotope (Carbon-14)
400
A _______ bond is formed when electrons are NOT shared equally between atoms of a covalent bond.
Polar
400
If you have an Base and add a buffer to it, what will the buffer donate?
A) Buffer will donate H+ ions
B) Buffer will donate OH- ions
C) Buffer will donate both H+ and OH- ions
A) Buffer will add H+ ions
400
A concave meniscus of a graduated cylinder is caused by this property of water.
Adhesion
400
This is an example of a ________ _________. These have the same molecular formula, but different spatial arrangements.
Geometric Isomer
500
How many neutrons does "Cu" have?
35 Neutrons
500
What atomic bond is critical for the stabilization of DNA?
Hydrogen Bond
500
Which answer choice below is true of a Base?
A) tends to be slippery
B) tends to be bitter
C) has a high concentration of H+ ions
D) All of the above
E) A and B only
F) None of the above
E) A and B only
500
A Water molecule (H2O) is what type of bond?
A) Polar Covalent bond
B) Non-polar Covalent bond
C) Ionic bond
D) Hydrogen bond
E) None of the above
A) Polar Covalent bond
500
Come up with an reasonable question to ask the Si Leader, If I get it wrong you get the 500 points.
(: