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When we increase concentration, the particles are more _________?
Crowded
When particles are crowded, the rate of reaction _______?
Increases
What is the most common element?
Hydrogen
What is the chemical formula of water?
H2O
What is the process called that happens when a liquid turns into a gas?
Evaporation
What state of matter is ice?
Solid
What state of matter is carbon dioxide usually?
Gas
What is the element that makes up most of the air we breathe?
Nitrogen
Is Sodium a metal or a non-metal?
Metal
Is Helium a metal or a non-metal?
Non-metal
What is the chemical symbol for Carbon?
C
What is the chemical symbol for Magnesium?
Mg
What is the chemical symbol for copper?
Cu
What is the Chemical Symbol for Iron?
Fe
What pH is Neutral?
Around 7
True or false? A proton carries a positive charge
True
