Atoms & matter
Periodic Table
Compounds & Molecules
mixtures
Miscellaneous
100
An atom
What is all mater made up of?
100
Periods
What are rows of elements?
100
Covalent bond
What happens when two atoms share electrons to form a chemical bond?
100
Mixture
What forms when two or more substances combine without changing the nature of component substances?
100
An element
What is the simplest form of matter?
200
The difference of atoms and elements.
What is elements are the simplest forms of matter and atoms are what make up matter?
200
Symbols of elements.
What may be either one capital letter or a combination of one capital and one lower case for the name of an element?
200
Molecules and compounds
What are two things that are formed when two or more atoms join together chemically or a molecule that contains at least two different elements?
200
The differences between compounds and mixtures
What are mixtures are physical and compounds are chemical?
200
Periods
What are rows of elements?
300
They are the parts of matter.
What are nucleuses, protons, electrons, and neutrons?
300
To organization of the periodic table
What are the atomic number and masses used for?
300
Molecules and compounds have a relationship.
What is a compound is a molecule but a molecule isn't always a compound?
300
The factors that affect the rate at which substances dissolve.
What are temperatures, agitation, and surface area?
300
Alloys
What are solid solutions made of two or more metals?
400
The relationship between atoms, elements, and molecules.
What is molecules are formed when two or more atoms are joined together chemically and atoms are the smallest components of an element?
400
The difference between groups and periods
What are rows and columns?
400
Chemical formula.
What is used to express the way the atom of various elements form bonds to become molecules and compounds?
400
Some practical uses for being able to separate materials from mixtures.
What is sieves and screens sort items mechanically by size, magnets separate metal objects such as steel cans, rapidly spinning drums separate lighter paper and plastic from denser metal and glass, optical scanner trigger blasts of air to separate materials by color, and shredded plastic can be separated from paper using static electric energy.
400
A valence electron
What are electrons in an atom's outermost shell.
500
The simplest form of mater.
What is atoms?
500
The groups of the periodic table
What are medals, nonmetals, and metalloids?
500
The main differences between ionic bonds and covalent bonds.
What is an ionic bond gives but covalent bonds share?
500
All five ways to separate mixtures.
What are magnetism, filtration, evaporation, distillation, and paper chromatography.
500
All five atomic models
What are blueberry muffin ( Thomson ), Dalton, Rutherford, solar system, and electron cloud models?
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