Chapter 2 The Chemistry of Life

The structure that results when atoms are joined together by covalent bonds

• Molecule
• Atom
• Compound
• Element
• Ion

Positively and Negatively charged atoms

• Ion
• Atom
• Compound
• Element
• Isotope

Tags

NGSS.HS-PS1-3

A substance formed by the chemical combination of two or more elements in definite proportions

• Compound
• Atom
• Element
• Ion
• Isotope

Atoms of the same element that differ in the number of neutrons they contain

• Isotope
• Atom
• Compound
• Element
• Ion

A pure substance that consists entirely of one type of atom

• Element
• Atom
• Compound
• Ion
• Isotope

The center of the atom.

• Nucleus
• Atom
• Compound
• Element
• Ion

Tags

NGSS.HS-PS1-8

The basic unit of matter.

• Atom
• Compound
• Element
• Ion
• Isotope

Tags

NGSS.HS-PS1-7

Any compound that produces hydroxide (OH-) ions in solution. These are higher than 7 on the pH scale. Example:

• Base
• Acid
• Mixture
• pH Scale
• Solute

Any compound that releases H+ ions into solution. These are lower than 7 on the pH scale. Example: Lemon Juice

• Acid
• Base
• Mixture
• pH Scale
• Solute

A measurement system that indicates the concentration of H+ ions in a solution.

• pH Scale
• Acid
• Base
• Mixture
• Solute