IPC Fall Final

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1.
1 point
It has the chemical formula Ca(OH)2. (2 should be a subscript)
2.
1 point
The splitting of large nucleus into two smaller nuclei or approximately equal size is called
3.
1 point
Metals can be used as a wire because they are _____.
4.
1 point
A chemical symbol represents the ____ of an element
5.
1 point
The nucleus of most atoms is composed of
6.
1 point
Numbers that precede symbols and formulas in a chemical equation are _____.
7.
1 point
Each substance on the left side of the arrow in a chemical equation?
8.
1 point
When a chemical splashes into your eyes, you should use the
9.
1 point
It can be corrosive.
10.
1 point
In solution, feels slippery.
11.
1 point
A(n) ____ is a substance that producs H+ ions in a water solution.
12.
1 point
Each substance to the right of the arrow in a chemical equation is a(n) _____.
13.
1 point
In a solution, the substance that is being disolved is the
14.
1 point
How many electrons are needed in the outer enrgy levels of tmost atoms for th atom to be chemicall stable (happy)?
15.
1 point
A particle that moves around the nucleus is a(n) _____.
16.
1 point
When chemcial reactions take place, all products _________ the reactants.
17.
1 point
A(n) _____ chemical equation has the same number of atoms of each element on each side of the equation.
18.
1 point
The elements in Groups 3 through12 of the periodic table are the ______.
19.
1 point
A fluid’s resistance to flow is called ____ (how thick is the liquid).
20.
1 point
____ is NOT a homogeneous mixture.
21.
1 point
Elements that are gases, are brittle, and are poor conductors at room temperature are _____.
22.
1 point
What of the following is a physical change?
23.
1 point
Mendeleev is credited with developing the first successful (hint #101)
24.
1 point
To neutralize gastric juices in your stomach, antacids contain ___.
25.
1 point
The prefix kilo- means
26.
1 point
The total number of protons and neutrons in the nucleus of an atom is its
27.
1 point
According to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?
28.
1 point
Ions are atoms of the same element that have different
29.
1 point
Which of the following is te formula of a compound?
30.
1 point
Which is a group of nonmetals
31.
1 point
Matter that has a definite volume and a definite shape is a ____.
32.
1 point
When you break a beaker during lab, what should you do?
33.
1 point
Matter in which the particles are free to move in all directions until they have spread evenly throughout a container is a ___.
34.
1 point
____ measures how acidic or basic a substance is.
35.
1 point
It has a sour taste.
36.
1 point
The atomic number of lithium, th first element in Group 1, is 3. The atomic number of the second element in this group is _____.
37.
1 point
The only metal that is a liquid at room temperature is ____.
38.
1 point
If heat must be added to a chemical reaction for the reaction to take place, the reaction is _____.
39.
1 point
Atoms of the same element with different numbers of neutrons are called ______.
40.
1 point
Approximately how many chemical elments are there?
41.
1 point
The particles of any liquid are constatly moving.
42.
1 point
The noble gases are in ______.
43.
1 point
What kind of chemical bond is formed when a transfer of electrons occurs?
44.
1 point
Increasing the surface are of a solid _____ (grinding).
45.
1 point
Chlorine has atomic number 17 and mass number 35. It has
46.
1 point
The elements that border the zigzag line in the periodic table are
47.
1 point
At room temperature, most metals are ____.
48.
1 point
Most matter _____ when heated.
49.
1 point
A positively charged particle with mass is a(n)
50.
1 point
The oceans are an example of a(n) ____ solution.
51.
1 point
Why do the noble gases NOT form compounds readily?
52.
1 point
The shape of an apple is a ____.
53.
1 point
It has a bitter taste.
54.
1 point
A bitter tast and a slippery feel are clueds that a solution is probably a(n) _____.
55.
1 point
It reacts with an indicator to produce a change in its color.
56.
1 point
The principal of Waxhachie High School is?
57.
1 point
A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ____.
58.
1 point
It has th chemical formula HNO3. (3 should be a subscript)
59.
1 point
According to the law of conservation of mass, if two atoms of hydrogen are used as a reactant, how many atoms of hydrogen must be part of the product?
60.
1 point
Bouyancy explains why _____.
61.
1 point
The most useful source of general information about the elements for anyone associated with chemistry is a
62.
1 point
Three examples of physical change are ______.
63.
1 point
How many total hydrogen atoms are present in one molecule of ammonium acetate, NH4C2H3O2. All numbers should be small, subscripts.
64.
1 point
A chemical bond that occurs when atoms share electrons is a(n) _____ bond.
65.
1 point
Argon, krypton, and xenon are
66.
1 point
The appearance of solid metals can be described as ____.
67.
1 point
The breaking down of a substance into two or more simpler substances is _____.
68.
1 point
Which of the following is a balanced chemcial equation? (Look on the board for the answer choices)
69.
1 point
When a log burns in a fire, ______.
70.
1 point
A chemical reaction in which heat energy is released is _____.
71.
1 point
Particles of liquids and gases move much more freely than do particles of solids.
72.
1 point
A substance that does conduct an electric current when it forms a solution is a(n) ____.
73.
1 point
The particles that make up a solid are ________ than those that make up a gas.
74.
1 point
Both fusion and fission reaction ____.
75.
1 point
What color is on the American flag?