Vocabulary
Periodic Table
Elements
Compounds
Random
100
The smallest particle of an element that still has the properties of that element is a
What is an atom
100
In the periodic table a column is called a
What is a group
100
The properties of semimetals are
What is somewhat like metals and somewhat like nonmetals
100
A pure substance made up of two or more elements that are chemically combined
What is a compound
100
All atoms of an element have the same number of
What is protons in their nuclei
200
The central part of an atom.
What is the nucleus
200
A horizontal row in the periodic table is called
What is a period
200
What type of element will glow if an electric current is passed through it
What is noble gas
200
True or False. Compounds are exactly the same as those of the substances that make them up.
What is False
200
List 3 properties of metals
What is shiny, conduct electricity, and can be bent of stretched
300
An atomic particle with a positive charge is called
What is a proton
300
In the periodic table, C, H, and O are examples of
What is a chemical symbol
300
True or false Oxygen (O) is an example of an element
What is True
300
CaCo3 is this a compound or an element
What is a compound. This compound is made up of 1 calcium, 1 carbon, and 3 oxygen.
300
What does a subscript represent
What is the number of atoms of an element
400
An atomic particle with no charge is called a
What is a neutron
400
What are three ways that elements can be classified
What is metals, nonmetals, and semimetals
400
True or False Two properties of metals are that they conduct electricity and can be stretched
What is True
400
Is Au a compound or an element
What is an element
400
A chain-like molecule made up of repeated units
What is a polymer
500
An abbreviation of an element's name is its
What is chemical symbol
500
The number that is above the chemical symbol is called
What is atomic number
500
True or False Metals are not found in food
What is False. Metals are found in food such as potassium in bananas.
500
A shorthand way to describe a compound
What is chemical formula
500
Earth's most abundant compound
What is water
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