5 Written questions
5 Matching questions
- What is an ionic bond?
- What is an ionic compound?
- What is mass?
- What is a polar molecule?
- The bond between the hydrogen atom of one water molecule and the oxygen atom of another water molecule is made possible by
- a a molecule that has opposite charges on opposite ends.
- b The sum of the number of protons and neutrons in its nucleus.
- c A compound held together by ionic bonds.
- d The attraction btwn opposite charged ions.
- e the polarity of the water molecule
5 Multiple choice questions
- Atoms held together by covalent bonds.
- Protons and neutrons.
- The smallest unit of matter that still retains the properties of an element.
- is one in which the nucleus decays, giving off particles of energy.
5 True/False questions
What is an electron? → an electronically neutral subatomic particle.
The number of covalent bonds an atom can form is equal to what? → The number of additional electrons needed to fill its outer shell.
What determines the chemical properties of an atom? → the atomic number.
What is a proton? → A subatomic particle w/ a single unit of positive electrical charge (+)
What is ion? → The term for atoms that are electronically charged as a result of gaining/losing electrons.