5 Written Questions
5 Matching Questions
- Atomic Number
- Nonpolar Covalent Bonds
- Covalent Bond
- a A covalent bond in which electrons are shared equally between two atoms of similar electronegativity.
- b The dissolving agent of a solution. Water is the most versatile solvent known.
- c The number of protons in each atom of a particular element.
- d A strong chemical bond in which two atoms share one or more pairs of outer-shell electrons.
- e Anything that occupies space and has mass.
5 Multiple Choice Questions
- A subatomic particle with a single positive electrical charge, found in the nucleus of an atom.
- A starting material in a chemical reaction.
- An atom's central core, containing protons and neutrons.
- A scale we used to describe how acidic or basic a solution is. The scale ranges from 0-14, 0 being the most acidic and 14 being the most basic. 7 is neutral (pure water)
5 True/False Questions
Electron Shells → A subatomic particle with a single negative electrical charge. One or more electrons move around the nuclues of an atom.
Electron → A subatomic particle with a single negative electrical charge. One or more electrons move around the nuclues of an atom.
Acid Precipitation → Rain, snow or fog that is more acidic than pH 5.2.
Solute → A substance that is dissolved in a solution.
What 4 elements make up about 96% of living matter? → Oxygen, carbon, hydrogen, and nitrogen.