Unit 2 BIG Test! Flashcards
What are the 3 pieces of an atom? What are their charges?
- Protons: Positive
- Neutrons: No charge/neutral
- Electrons: Negative
What 2 pieces are at the center of the atom?
Protons and Neutrons
How is a compound different from an element?
Compounds have 2 or more elements while an element only has one type of atom
How is an ionic bond formed?
When a chemical bond occurs and an atom transfers or gives away an electron to a different atom
How is a covalent bond formed?
When 2 atoms share electrons
What is a solution?
They’re mixtures where the compounds are distributed evenly
What is a solvent?
A substance that dissolves another substance
What is a solute?
The substance that’s dissolved
What specific ion does the pH scale measure?
H+ (Hydrogen)
What is the scale between?
0-14
What numbers is neutral on the pH scale?
7
What is a reactant?
Substances that engage in chemical reactions
What is a product?
Substance produced or transformed
What is a catalyst?
substance that lowers the activiation energy of a reaction
What is a substrate?
The reactant or substance that bonds to the enzyme
Where do substrates bond?
Active site
Should humans be considered Carbon based life forms? Why or why not?
Yes because the components that make up all life sustaining substances are
composed of primarily carbon
