Chemistry Summer Review
What is the equation used to find density?
D=m/v
What are the vertical columns on the periodic table called?
Families/groups
A theory is best described as a...
Generalization that explains a body of known facts or phenomena
How can the liquid state of matter be described?
Has volume and forms to the shape of the container
If a mixture is uniform in composition, it is said to be __________ mixture.
Homogenous
What is the term used for a statement that can be tested experimentally?
A Hypothesis
Mixture
A blend of any two or more kinds of matter, as ling as each maintains its own unique properties
Compound
A substance, made of two or more atoms that are chemically bonded, that can be broken down into simpler, stable substances
Which of the following is an example of a homogeneous mixture? A. Air B. Orange juice C. Raw milk D. Marble
A. Air
All of the following are examples of units except A. Mass B. Kilometer C. Gram D. Ounce
A. Mass
Which of these symbols represents a unit of volume? A. mL B. mg C. mm D. cm
A. mL
Solid Substance
Always the same shape regardless of its container
Chemical
Any substance that has a definite composition
Plasma is the fourth state of matter. In the plasma state __________. A. Atoms gain electrons B. Atoms lose electrons C. Atoms form molecules D. Atomic nuclei break down
B. Atoms lose electrons
Which of the following is an intensive property of matter? A. Melting point B. Density C. Volume D. Mass
B. Density
Matter includes all of the following except _____. A. Air B. Light C. Boiling D. Mass
B. Light
Which of the following observations is qualitative? A. The liquid turns blue litmus paper red B. The liquid boils at 100°C C. The liquid tastes bitter D. The liquid is cloudy
B. The liquid boils at 100°C
All of the following are steps in the scientific method except... A. Observing and recording data B. Forming a hypothesis C. Discarding data inconsistent with the hypothesis D. Developing a model based on experimental results
C. Discarding data inconsistent with the hypothesis
Which of the following is an example of a heterogeneous mixture? A. A gold ring B. Seawater C. Granite D. Sucrose
C. Granite
Which of the following is an extensive property of matter? A. Melting point B. Boiling point C. Volume D. Density
C. Volume
Which of these metric units is used to measure mass? A. m B. mm C. g D. L
C. g
Which of the following is not a chemical change? A. Rusting B. Igniting C. Melting D. Burning
D. Burning
Which of the following is not a physical change? A. Grinding B. Cutting C. Boiling D. Burning
D. Burning
Which of the following observations is qualitative? A. A chemical reaction was complete in 2.3 seconds B. The solid had a mass of 23.4 grams C. The pH of a liquid was 5 D. Salt crystals formed as the liquid evaporated
D. Salt crystals
A state of matter in which a material has no definite shape but has a definite volume is the ______ state.
Liquid
A measure of the quantity of matter is
Mass
What is the SI base units for length and time?
Meter and Seconds
List the Si base units.
Meter, Liter, Gram
What does the symbol mm represent?
Millimeter
What are the horizontal rows on the periodic table called?
Periods
A theory is accepted as the explanation of an observed phenomenon until...
Repeated observations conflict with the theory
The two most important properties of all matter are
Taking up space and having mass
How is the density of an object calculated?
The objects mass is divided by its volume
Atom
The smallest unit of matter that maintains its chemical identity
The symbols for units of length in order from largest to smallest are...
km, m, cm, mm,
