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Periodic Table
Atoms
Vocabulary
Matter
100
The periodic table of elements was created from the original work of who?
Dimitri Medeleeve (Russian Chemist)
100
The center of an atom is also called this.
What is a nucleus?
100
What is the definition of an atom?
What are the basic building blocks for all matter.
100
Matter can be broken up into two categories, they are:
What are mixtures and substances.
200
Name at least 2 different ways the elements are organized on the Periodic Table.
What could be organized by their atomic numbers going from least to greatest organized by states of matter (solid, liquids, gases, or synthetics) organized by metals, non metals, and metalliods organized by columns (or groups) with similar charateristics organized by rows or periods
200
Describe where electrons are located on the atom.
Orbiting around the nucleus of the atom.
200
What are protons, neutrons, and electrons?
What are part of an atom with a positive charge (protons) parts of an atom with no charge (neutrons) and parts of an atom with a negative charge (electrons).
200
Substances can be broken up into two categories they are:
Elements and Compounds.
300
Explain why is the atomic symbol for "Oxygen" "O" but the atomic symbol for "Gold" is "AU"?
Some of the symbols are abbreviations of the Latin word for the element.
300
If an atom has an equal number of protons and electrons it is considered to be a _____________ atom.
What is neutral?
300
What is mass?
The weight and how much space something takes up.
300
Mixtures can be broken up into two categories, they are?
Homogeneous and heterogeneous.
400
Why is the Periodic Table called, "Periodic"?
What is Chemical and physical properties of elements have a repeating pattern, periodic means that something has a repeating pattern.
400
An atom with a different number of neutrons is called a(n):
What is an isotope?
400
What is matter?
What is anything that has mass and takes up space.
400
Give two examples of elements and two examples of compounds.
Answers will vary.
500
What are the 4 things listed on each of the element boxes on the Periodic Table?
What are the element name, the atomic number, the atomic mass, and the symbol.
500
How do you find the mass of an atom? Name what parts of the atom are involved.
Add the protons and neutrons together.
500
Explain the differences between substances and mixtures
Substances are matter with fixed composition (What it’s made of doesn’t change) Mixture is a type of matter where materials can be separated (What it’s made of can change)
500
Give two examples of heterogenous and homogeneous mixtures.
Answers will vary.