Elements
What symbol does the element helium have on the periodic table.
Symbol: He
Is vomit acidic or basic?
acidic
What is the most common state of matter in the universe?
Plasma
What are five kinds of reactions?
Single Replacement, Double Replacement, Decomposition, Combustion, and Synthesis
What speeds up a reaction?
Catalyst
When making a bohr model for an element, how do you get the electrons?
Protons = Electrons
Is water acidic, basic, or neutral?
Neutral
What is the least common state of matter in the universe?
Liquid
What kind of reaction is this: A + B → AB
Synthesis
What is a mixture?
A combination of two or more substances in any proportion.
What element has the symbol As?
Arsenic
If the pH of a substance is 1, then is it acidic or basic?
Acidic
How do molecules in a liquid move?
They can slide past each other, but cannot pull apart completly.
What kind of reaction is this: A + BC → B + AC
Single Replacement
What has light liquid resistance to flowing.
Viscosity
What symbol does the element iron have on the periodic table.
Symbol: Fe
What is the pH scale range?
0-14
What is the most common state of matter on earth?
Liquid
What kind of reaction is this: AB → A + B
Decomposition
What is it called when a solid turns directly into a gas?
Sublimation
What are the parts of an element on the periodic table?
Name, Symbol, Atomic Number, and Atomic Mass
Is blood acidic, basic, or neutral?
Basic
How do molecules in a solid move?
Stay packed together and vibrate quickly.
What kind of reaction is this: Fuel + O2 → CO2 + H2O
Combustion
What is anything with mass that takes up space.
Matter