What is a pure substance that cannot be broken down into simpler substances?
100
The formula for Density
What is Density = M
-
V
(I "heart" density)
100
shiny, solid, conducts electricity
What is a metal?
100
Type of change:
An iron nail rusts
What is chemical change?
100
What does C, H, O represent in C6H12O6:
A. protons
B. elements
C. compounds
D. mixtures
What is B. elements?
200
Chemical symbol for the element Iron
What is Fe?
200
The density of an irregular object that has a volume of 3mL and a mass of 24.6g
What is 8.2 g/mL?
200
To calculate the density of an irregular object, you need a ________________ to measure the mass and a________________ to find the ____________ using the water displacement method.
What is triple beam balance, volume, graduated cylinder?
200
Properties such as:
hardness, color, shape
A. chemical properties
B. physical properties
What is B. physical properties?
200
What do C, H, O represent in C6H12O6? (Which elements)
What is Carbon, Hydrogen, and Oxygen?
300
An element that is a pure substance is:
A. Hydrogen peroxide
B. Carbon dioxide
C. Air
D. Helium
What is Helium?
( Hydrogen peroxide and Carbon dioxide are compounds, Air is a mixture)
300
Cubes made of different substances with the same volume:
A. Cubes have same streak
B. Cubes have the same density
C. Cubes have different color
D. Cubes have different masses
What is D. blocks have different masses
300
No shine, brittle solid
What is non-metal?
300
Matter in changing from different states, such as ice-water-steam (solid-liquid-gas)
Types of changes:
A. Chemical changes
B. Physical changes
What is B. Physical changes?
300
How many atoms are in C6H12O6?
What is 24?
400
Element essential for human life is found in large amounts in both Earth's atmosphere and oceans
What is Oxygen?
400
To find the density of an object when the mass is given, the missing information is:
What is volume?
400
Building blocks of all matter
What are atoms?
400
During the Metals/Nonmetals/Metalloids Lab we tested for: Conductivity, Luster, ductility, malleable
A. Physical Properties
B. Chemical Properties
What is A. Physical Properties
400
How many elements are in C6H12O6?
What is 3?
500
C6H12O6
How many different elements?
How many atoms?
What is
3 elements (Carbon, Hydrogen,Oxygen)
24 atoms (6 Carbon + 12 Hydrogen + 6 Oxygen)
500
When given different sized samples of a material made of the same substance (such as silver) the property that will remain constant is:
A. Volume
B. Shape
C. Density
D. Mass
What is C. Density?
500
In lab you are given 4 cubes of different sizes but have the same mass. Looking at the cubes you determine the blocks take up different amounts of space, so they have different:
A. mass
B. volume
C. hardness
What is b. volume?
500
True or False:
Elements can not be changed into another element by physical or chemical changes
What is True?
(elements cannot be broken down into simpler substances)
500
What is the difference between a molecule and a compound?
What is:
a molecule is made up of two or more of the same element
a compound is made up of two or more different elements