Measurements
Experimental Design
Atomic Structure
Atom Combinations
Example problems
200
What is the metric base unit for mass?
Grams
200
What are things that stay the same in the experiment called?
Constants
200
What is subatomic particle with a positive charge?
Proton
200
___________ are made of only one type of atom.
Elements
200
What does the number at the top left of the figure represent?
The atomic number (number of protons)
300
What is one piece of scientific equipment used to measure liquid volume?
Flask, Beaker, Graduated Cylinder
300
What is the variable in an experiment that the scientist changes?
Independent Variable
300
What is the charge of a neutron?
Neutral
300
______________ is made of two more more different atoms chemically combined.
Compounds
300
How many neutrons does this atom have? (round the atomic mass)
0
400
How many meters are in a kilometer?
1000
400
What is the variable in an experiment that is measured at the end?
Dependent Variable
400
What two subatomic particles make up the atomic mass of an atom?
Protons and Neutrons
400
What type of mixture can you see the individual components?
Heterogeneous Mixture
400
An atom has an atomic number of 3 and an atomic mass of 7, how many electrons does this atom have?
3
500
How many deciliters are in a liter?
10
500
What kind of data is represented in numbers?
Quantitative
500
Where are the electrons found?
the electron cloud
500
Kool-Aid powder is fully dissolved in water. What kind of combination is this? (element, compound, heterogenous mixture, or homogeneous mixture)
Homogeneous mixture
500
A toy weights 45,000 milligrams. How many grams does it weigh?
45g
600
How many grams are in a hectogram?
100
600
What is the group called that all other groups are compared against?
Control
600
An element has 4 protons, 4 electrons, and 4 neutrons. What is the element's atomic mass?
8
600
If I physically combine a heterogeneous mixture and a homogenous mixture together, what atom combination will I get?
Heterogenous mixture
600
A biker travels 2 decameters. How many centimeters did they travel?
2000 cm