Chemistry review

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Can you name the chemistry terms?

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How many atoms are in one mole of berillium?
This law states that when two elements form two different compounds, the mass of one element that combines with 1g of the other element can be expressed as a ratio of small, whole
This experiment, named after the equipment and its creator, found the exact charge of the electron as e= - 1.60 x 10-19 C
Which three elements were demonstrated to be highly reactive in class when combined with water? (list them in order from least to most reactive)
The units of atomic mass are based off of this
What is the name of the group of elements in part 2A of the periodic table?
Henri Becquerel discovered this process in which an unstable atomic nucleus spontaneously loses energy by emitting particles. This elemental property was first observed in Uranium.
This scientist organized the first periodic table and predicted the placement of three undiscovered elements
The modern periodic table is arranged by increasing...
The number of protons plus the number of neutrons in an atom is known as the...
What unit is average atomic mass measured in?
The positively-charged particles in atoms
This law states that all samples of a given compound have the same proportions of their constituent elements
This model of the atom suggested that atoms are surrounded by a positively charged electric field and have electrons inside this field
This theory states that mass is neither created nor destroyed
What is the name of the group of elements in part 1A of the periodic table?
Name one element that is in a liquid form at room temperature
What is the name of the group of elements in part 8A of the periodic table?
Name one semi-metal
How many atoms are in one mole of mercury?
The negatively-charged particles in atoms
Atomic mass is calculated as a...
One mole of a certain element weighs 113.57g. What is the average atomic mass of that element?
This law states that when elements are arranged according to a certain property (see question 7), their physical and chemical properties show a pattern
The number of protons in an element is called the...
What is the name of the group of elements in part 7A of the periodic table?
What information does a complete chemical symbol have?
The mole is a unit that measures...
This scientist suggested that the properties of the elements repeated every eight elements in what he called the Law of Octaves
The neutral particles in atoms
This is the theory that states (among other things), that each element is composed of tiny, indestructible particles called atoms
This scientist performed the Cathode Ray Tube Experiment
The first periodic table was arranged by increasing...
List one property of metals
This particle is composed of two protons and two neutrons, essentially, it is a Helium nucleus
Rutherford's gold foil experiment proved the existence of...
Two atoms of the same element that have different numbers of neutrons are known as...

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