Review of 2.1 and 2.2 (Atoms, Bonding, and Water)
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Last updated about 5 years ago
11 questions
1
If an atom has more protons than electrons, what charge would it have? (Positive or Negative?)
If an atom has more protons than electrons, what charge would it have? (Positive or Negative?)
1
If an isotope of Beryllium (Atomic Number = 4) has 5 neutrons, what would its mass number be?
If an isotope of Beryllium (Atomic Number = 4) has 5 neutrons, what would its mass number be?
1
That same isotope of Beryllium (Atomic Number = 4) would have how many total electrons?
That same isotope of Beryllium (Atomic Number = 4) would have how many total electrons?
1
Ionic bonds form when ions of ______________ charges attract. (Identical or Opposite?)
Ionic bonds form when ions of ______________ charges attract. (Identical or Opposite?)
1
Covalent bonds involve the _________________ of electrons. (Transferring or Sharing?)
Covalent bonds involve the _________________ of electrons. (Transferring or Sharing?)
1
Hydrogen bonds cause water molecules to attract one another, which is the property of water known as _________________. (Cohesion or Adhesion?)
Hydrogen bonds cause water molecules to attract one another, which is the property of water known as _________________. (Cohesion or Adhesion?)
1
Water can have attractions to other substances and cause them to get 'wet'. This is the property of water known as ________________. (Cohesion of Adhesion?)
Water can have attractions to other substances and cause them to get 'wet'. This is the property of water known as ________________. (Cohesion of Adhesion?)
1
Water is a good solvent because it can dissolve substances that are ______________ (like sugar) and ____________ (like salt)
Water is a good solvent because it can dissolve substances that are ______________ (like sugar) and ____________ (like salt)
1
An acid is a solution with a pH ___________ than 7. (Lower or greater?)
An acid is a solution with a pH ___________ than 7. (Lower or greater?)
1
An alkaline (basic) substance is a solution with a pH _____________ than 7 (Lower or greater?)
An alkaline (basic) substance is a solution with a pH _____________ than 7 (Lower or greater?)
1
What is the pH scale measuring specifically?
What is the pH scale measuring specifically?