Show:
Matter
Elements
Atoms
Molecules
Periodic Table
100
anything that has mass and takes up spaces.
What is matter
100
any substance that cannot be broken down into simplier substances
What is an element
100
The smallest unit of an element that retains the properties of that element. It is also the basic building blocks of an element.
What is an atom?
100
Particles with more than one atom joined together.
What is a molecule?
100
Cycles of elements into elements in a table is the ___.
What is the periodic table?
200
All matter is made of the same set of building blocks.
What is a chemical element?
200
How many elements are there known to scientist?
What is 112 elements
200
The center of an atom.
What is a nucleus?
200
By forming molecules, atoms _________ to form _____ and provide all the variety around us.
What is combining atoms to form different materials?
200
The properties that repeats in cycles or periods are found within elements on ______.
What is the periodic table?
300
All elements of matter has something that can be observed about an object or a group of objects.
What is a property?
300
One important property of an element is it _______ at room temperature.
What is state of matter?
300
The parts of an atoms includes ___, ____, ___, and ____.
What is the nucleus, protons, neutrons, and electrons?
300
The linking together of atoms through their electrons causes molecules to have ________ from their __________.
What is molecules have different properties from their elements?
300
Each of the column on the periodic table all have ____.
What is having similar chemical properties?
400
All elements have also has the property to be ________.
What is Combining with other elements?
400
All elements can be classified as a _____, ______, or _______.
What is a metal, nonmetals, or metalloid?
400
The number of protons within an atom is the ____.
What is the atomic number?
400
Molecules can be made up of atoms from _______.
What is different elements?
400
The three main groups of elements on the periodic table are.
What is metals, metalloids, and nonmetals?
500
In 1803, He proposed that elements are made of tiny particles called atoms.
Who is John Dalton?
500
The smallest unit of an element that retains the properties of that element. Atoms can only be seen by using a ______ or _______.
What is an atom; they can only be seen by using a scanning tunnel microscope or electron microscope?
500
Protons have a _______ charge, neutrons have a _______ charge, and the electrons has an _______ charge.
What is protons having a positive charge, neutrons having a neutral charge, and electrons having a negative
500
When a molecule forms from elements, atoms ________ through the electrons.
What is linking together atoms?
500
In 1869,he found that the elements on the periodic table repeats in cycles.
Who is Dmitri Mendeleev?