Atoms
The inner and outer shells (orbitals) hold these as they orbit the nucleus.
What are electrons?
What is acid?
A student mixes a spoonful of salt in a glass of water. Which thing is a solute?
What is salt?
This is a positively charged particle in an atom.
What is a proton?
This is a negatively charged subatomic particle found in an atom.
What is an electron?
The part of an atom that holds protons and neutrons
What is the nucleus?
Are stomachs more acidic or basic?
What is acidic?
A student mixes a spoonful of salt in a glass of water. Which thing is the solvent?
What is water?
Two or more atoms joined in definite amounts is called ________.
What is a compound?
Draw a pH scale. Label the scale with numbers where the scale is acidic, neutral, and basic.
What is a scale starting at 0-14 with 7 in the middle?
The subatomic particle in the nucleus with a neutral charge
What is a neutron?
Milk is this on the pH scale
What is base?
This carbon isotope has 6 protons, 6 neutrons, and 7 neutrons. Identify the isotope.
What is Carbon-13?
The thing that the atomic number represents on the periodic table. This is the number found above the element's symbol.
What are protons.
Water molecules are attracted to other water molecules because of this.
What is polarity (+ and - ions)?
The subatomic particle in an atom with the least mass.
What are electrons?
The neutral number on the pH scale
What is 7?
These bonds are formed when atoms share electrons to form a molecule.
What are covalent bonds.
These solutions have equal amounts of H+ and OH- ions and have this number on a pH scale.
What is 7?
Draw water molecules with their polarity that are attracted to other water molecules. Include the + and - ends of each molecule.
What are molecules with + and - ions attracted to other + and - ions in the next molecule?
The amount of protons Lithium contains in each atom if it has an atomic number of 3.
What is 3 protons?
These solutions have more H+ ions than OH- ions and are called ________.
What are acids.
These bonds are bonds that occur between elements where electrons are transferred between elements to make up a molecule.
What are ionic bonds.
These solutions have less H+ ions and MORE OH- ions and are called________.
What is a base.
These are important for cells against rapid changes in pH.
What are buffers?