Chemistry review

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Can you name the chemistry terms?

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

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