The Structure of Matter
Which of the following can be made up of two or more atoms of the same element, chemically bonded? a. atom b. mixture c. compound d. molecule
What is a molecule?
A compound is formed when two or more _________ are combined.
What are elements?
Substances that produce hydrogen ion (H+) in solutions are known as a. acids b. bases c. mixtures d. compounds
What are acids?
mechanical, sound, chemical, electrical, heat, nuclear, light
What are 5 types of energy?
Which of the following is not a medium?
a. space b. air c. water d. wood
What is space?
Which of the following is smaller than a single atom? a. proton b. mixture c. element d. solution
What is a proton?
A _________ is a material made up of two or more substances that can be separated by physical means.
What is a mixture?
___________ feel slippery.
a. acids b. bases c. mixtures d. solutions
What are bases?
Which of the following is not a form of potential energy? a. gravitational energy b. chemical energy c. light energy d. nuclear energy
What is light energy?
Two main types of waves
What are transverse and longitudinal (compressional)?
A student is investigating a sample of an element. The student observes that the element is solid, shiny, and can be bent into a new shape. The student is most like observing a. carbon b. hydrogen c. aluminum
What is aluminum?
Heterogeneous and homogeneous
What are two types of mixtures?
_________ is a measure of how acidic or basic a substance is.
a. compound b. mixture c. neutral d. pH
What is pH?
States that although energy may change from one form to another, energy is neither created nor destroyed
What is the law of conservation of energy?
The type of wave is a combination of a transverse and longitudinal wave
What is a surface wave?
Which of the following is a chemical symbol representing an element? a. C b. CO c. CO2 2. H2O
What is a capital C?
The substance being dissolved is known as ______.
What is a solute?
Substances that are a 4 on the pH scale are considered _________.
a. acids b. neutral c. bases
What are acids?
An example of chemical energy being transformed into mechanical energy? a. blender b. ceiling fan c. flashlight d. human body
What is the human body?
Name the seven types of EM waves from highest energy to lowest energy
What are gamma, x-ray, uv light, visible light, infrared light, microwaves, radio waves?
The Law of conservation of matter states that...
What is matter cannot be created or destroyed?
The maximum amount of a solute that can be dissolved in a given amount of solvent
What is solubility?
In order to neutralize an acid you must add ___________.
a. another acid b. a base
What is a base?
A light bulb changes _________ energy to ________ energy
What is electrical to thermal?
The bending of light as it passes through a small opening
What is diffraction?