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Basic Chemistry Fundamentals
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1
Question
What is the building block of matter?
Answer
Atom
2
Question
What is the smallest particle of an element?
Answer
Atom
3
Question
What has an overall neutral charge and is not living?
Answer
Atom
4
Question
What is at the center of an atom?
Answer
Nucleus
5
Question
What is a positively charged subatomic particle?
Answer
Proton
6
Question
What is a subatomic particle with no charge?
Answer
Neutron
7
Question
What is a negatively charged subatomic particle?
Answer
Electron
8
Question
What is a pure substance that cannot be broken down into other substances?
Answer
Element
9
Question
What is a pure substance formed when two or more different elements chemically combine in a fixed ratio?
Answer
Compound
10
Question
What is two or more atoms held together by a chemical bond?
Answer
Molecule
11
Question
What is the force that holds atoms or compounds together?
Answer
Bonds
12
Question
What bond is formed when electrons are shared?
Answer
Covalent Bonds
13
Question
What bond is an electrical attraction between two oppositely charged atoms or groups of atoms?
Answer
Ionic Bonds
14
Question
What is not a true bond but forms between slightly positive hydrogen and slightly negative oxygen?
Answer
Hydrogen Bonds
15
Question
What molecules have an unequal sharing of electrons?
Answer
Polar Molecules
16
Question
What is unequal sharing of electrons?
Answer
Polar
17
Question
What gets dissolved in a solution?
Answer
Solute
18
Question
What is doing the dissolving in a solution?
Answer
Solvent
19
Question
What is a solute plus a solvent?
Answer
Solution
20
Question
What is the attraction of like molecules?
Answer
Cohesion
21
Question
What is the attraction of molecules for other molecules of a different kind?
Answer
Adhesion
22
Question
What is the measure of a substance’s resistance to motion under an applied force?
Answer
Viscosity
23
Question
What is how well a substance holds on to heat?
Answer
Specific Heat
24
Question
What is the surface layer of a liquid that resists breaking?
Answer
Surface Tension
25
Question
What substances release hydrogen atoms when dissolved in water?
Answer
Acid
26
Question
What substances release hydroxide ions when dissolved in water?
Answer
Bases
27
Question
What is a scale that measures how acidic or basic a solution is?
Answer
pH
28
Question
What substances react with acids or bases to keep pH stable?
Answer
Buffer
29
Question
What is the process by which atoms or groups of atoms in substances are reorganized into different substances?
Answer
Chemical Reactions
30
Question
What are the starting substances on the left side of the arrow in a chemical reaction?
Answer
Reactants