Atoms
Elements
Solutions/Density
Matter
Vocabulary
100
What is the smallest unit of an element
What is an atom
100
copper, gold and oxygen are all examples of this
What is elements
100
This is the formula for density
What is D=M/V
100
The three states of matter
What is solid, liquid, gas
100
The amount of matter in an object
What is mass
200
The subatomic particles
What is protons, neutrons, electrons
200
This is a way of organizing elements based on their properties
What is the periodic table
200
If a rock sinks in water it is ________ (more/less) dense than water
What is more
200
Definite shape, definite volume
What is a solid
200
the amount of space something takes up
What is volume
300
The center of an atom
What is the nucleus
300
This is the number of protons in an element
What is the atomic number
300
This tool is used to find the volume of a solid object using water
What is a graduated cylinder
300
If you are boiling water and steam is coming off, what two states of matter are you observing?
What is liquid and gas
300
A pure substance that combines to make up everything on Earth
What is an element
400
The subatomic particles found in the nucleus
What is protons and neutrons
400
This is the mass of an atom of an element
What is the mass number
400
A substance that dissolves other materials
What is solvent
400
The point where a solid becomes a liquid
What is melting point
400
What is the point where liquid becomes a gas
What is boiling point
500
The mass of a proton
What is one amu
500
This determines the identity of an element
What is the number of protons
500
What are two ways to increase solubility
What is heat and stirring
500
Something we can describe or observe about matter without changing what it is made out of
What is a physical property
500
Objects that have the same volume but a different mass will have a different_________
What is density
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