Anything that has mass and takes up space is
A. a chemical change
B. energy
C. matter
D. volume
What is C. matter?
100
Compounds in chemistry or represented by
What are chemical formulas?
100
The elements of the Periodic Table are arranged according to increasing.....
What is atomic mass?
100
A change in matter that produces new substances is called a chemical change or chemical ____________?
What is a chemical reaction?
100
Which of the following is an example of a physical property?
A. ability to rust
B. reacting with water
C. hardness
D. flammability
What is C. hardness?
200
The first person to propose an atomic theory of matter was
A. Dalton
B. Fahrenheit
C. Asimov
D. Democritus
What is D. Democritus?
200
Substances that CANNOT be broken down chemically into another substances are
A. Elements
B. Compounds
C. Mixtures
D. Liquids
What is A. Elements?
200
In chemistry, elements are represented by
A. formulas
B. ratios
C. symbols
D. numbers
What is C. symbols?
200
Changes in state are examples of ___________ changes
What are physical changes?
200
Which of the following is NOT a property of all minerals?
A. luster
B. hardness
C. made by humans
D. color
What is C. made by humans?
300
What are the particles of an atom that do not contain an electrical charge called?
What is a neutron?
300
A _________ of water is made up of one oxygen atom and two hydrogen atoms.
What is a molecule?
300
What are elements that have both properties of metals and nonmetals?
What are metalloids?
300
One example of a physical change is
A. burning paper
B. baking cookies
C. the rusting of iron.
D. mixing a milkshake
What is D. mixing a milkshake?
300
A mineral's streak is the
A. color of its powder.
B. arrangement of its crystals.
C. shape of its deposit underground.
D. color it appears to have when light shines on it.
What is A. color of its powder?
400
What are the negatively charged particles of an atom called and where are they found?
What is an electron and where is the electron cloud?
400
Write the from biggest to smallest
atom
molecule
What is molecule to atom?
400
The last column of elements to the right of the periodic table are know as
What are noble gases?
400
Living cells contain sugar that they use for fuel. This sugar contains
A. chemical energy
B. electrical energy
C. mechanical energy
D. electromagnetic energy
What is A. chemical energy?
400
What are the THREE major types of rocks?
What is Igneous, Metamorphic, Sedimentary
500
Who is credited for creating the atomic model we know today?
Who is Niels Bohr?
500
Which type of matter consists of two or more substances that are all chemically combined?
A. an element
B. a compound
C. a mixture
D. an atom
What is B. a compound
500
How can you identify the correct number of neutrons in a particular element?
What is Atomic Mass - Atomic Number?
500
Fireworks exploding are an example of
What is a chemical change?
500
What the THREE physical properties that were FIRST introduced in class?