___________ are the smallest unit of an element that maintains the properties of that element.
An _______________ is made up of one or more of the same kind of atom chemically combined.
A ______________ is made up of different kinds of atoms chemically combined.
A _____________ contains a variety of elements and compounds that are not chemically combined with each other.
A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.
True or False: elements AND compounds are pure substances.
Which of the following is a way we can classify compounds?
Elements are broadly classified as metals, nonmetals, and _________________.
Each element has a place in an arrangement called the ____________________________________.
Biochemicals are divided into 4 categories: carbohydrates, lipids, nucleic acids, and _______________.
A ______________ mixture is one that does not have a uniform composition.
A _________________ mixture is one where the substances are evenly spread throughout.
_______________ are mixtures in which its particles are too big to stay mixed without being stirred or shaken.
In a ______________, one substance is dissolved in another substance.
A type of mixture that falls in between suspensions and solutions are called ______________.
A snow globe would be an example of a __________________.
Tea and air are examples of ________________.
Milk and gelatin are examples of __________________.
Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.
Coffee, mouthwash, and vinegar are examples of __________________ mixtures.
Is air considered a pure substance or a mixture?
Is salt an element, compound, or a mixture?
Is Hydrogen an element, compound, or a mixture?
The chemical symbol for Hydrogen is
The chemical symbol for Helium is
The chemical symbol for Nitrogen is
The chemical symbol for Sulfur is
The chemical symbol for Calcium is