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Q 1/16
Score 0
What is a compound composed of two elements?
30
Binary Compound
Base
Acid
Polyatomic Ion
Q 2/16
Score 0
What is the equal volumes of gases at the same temperature and pressure contain equal numbers of particles?
30
Avogadro's Number
Avogadro’s Hypothesis
Molar Mass
Empirical Formula
16 questions
Q.
What is a compound composed of two elements?
1
30 sec
Q.
What is the equal volumes of gases at the same temperature and pressure contain equal numbers of particles?
2
30 sec
Q.
What is the conditions under which the volume of a gas is usually measured; standard temperature is 0 degrees Celsius, and standard pressure is 101.3 kPa, or 1 atmosphere?
3
30 sec
Q.
What is a compound that produces hydrogen ions in solution?
4
30 sec
Q.
What is it whenever two elements form more than one compound, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole numbers?
5
30 sec
Q.
What is a tightly bound group of atoms that behaves as a unit and has a positive or negative charge?
6
30 sec
Q.
What is the volume occupied by 1 mole of a gas at standard temperature and pressure (STP)?
7
30 sec
Q.
What is the smallest unit into which a substance can be broken down without a change in composition, usually atoms, molecules, or ions?
8
30 sec
Q.
What is a compound that produces hydroxide ions in solution?
9
30 sec
Q.
What is the percent by mass of each element in a compound?
10
30 sec
Q.
What is in samples of any chemical compound, the masses of the elements are always in the same proportion?
11
30 sec
Q.
What is a single atom with a positive or negative charge resulting from the loss or gain of one or more valence electrons?
12
30 sec
Q.
What is the amount of a substance that contains 6.02 x 10²³ representative particles of that substance?
13
30 sec
Q.
What is a formula with the lowest whole-number ratio of elements in a compound?
14
30 sec
Q.
What is a term used to refer to the mass of a mole of any substance?
15
30 sec
Q.
What is the number of representative particles contained in one mole of a substance?
