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Solid, Liquid or Gas
Physical vs. Chemical Changes
Atoms
Balancing Equation
Random Topics
100
This state of matter has a definite (fixed) shape and volume.
What is a solid?
100
Example- ripping a piece of paper
What is a physical change?
100
The basic unit of matter (living and nonliving things).
What are atoms?
100

They must equal on both sides.

What is true about atoms in an equation?

100

A change that cannot be reversed.

What is a chemical change?

200
This state of matter has a definite volume but takes the shape of its container.
What is a liquid?
200
Example- breaking bread
What is a physical change?
200
Positively charge particle on an atom.
What are protons?
200

Coefficients

What number can be changed to balance?

200

All non-zero digits, trailing zeros with a decimal, and zeros between non-zero digits.

What is a significant figure?

300
This state of matter expands to fill the room and has low density.
What is a gas?
300
Matter can not be created nor destroyed.
What is Law of Conservation of Matter?
300
Negatively charged particle on an atom.
What are electrons?
300

the yield arrow

What does the arrow represent in an equation?

300

A shortened way to write very small or very large numbers.

What is scientific notation?

400
State of Matter- SNOW
What is a solid?
400
The scientific name for when iron mixes with water and oxygen.
What is iron oxide?
400
The number of protons plus neutrons/ also makes up the nucleus of an atom
What is the atomic mass?
400

Reactants.

What are the species before the yield arrow?

400

The subatomic particle that does not change for a given element.

What is proton?

500
State of Matter- CLOUDS
What is gas?
500
Solid turning directly into a gas.
What is sublimation?
500
Came up with the current model of the atom that we still use today.
Who is Niels Bohr?
500

This states that mass can neither be created nor destroyed.

What is the conservation of mass?

500

The symbolic representation of the valence electrons on an element.

What is a Lewis Dot Structure?