Chemistry Test On Atoms And Molecules! Trivia Quiz
Test over chapter 6
- 1.A compound is held together by
- A.
Chemical bonds
- B.
Physical bonds
- C.
Gravity
- D.
Magnetism
- 2.Each molecule of hydrochloric acid, HCl, contains one atom of:
- A.
One atom of oxygen
- B.
Two atoms of chlorine
- C.
Two atoms of oxygen
- D.
One atom of chlorine
- 3.In which substance do the molecules have the strongest attractions to one another?
- A.
Hydrogen, a gas
- B.
Sugar, a solid
- C.
Water, a liquid
- D.
Sulfuric acid, a liquid
- 4.Atoms often join so that each atom will have
- A.
An outermost energy level that is full of electrons
- B.
An even number of electrons
- C.
More electrons that either protons or neutrons
- D.
An equal number of protons and electrons
- 5.In a metallic bond, the nucleus of one atom is attracted by a nearby atom's
- A.
Nucleus
- B.
Energy structure
- C.
Electrons
- D.
Negative ion
- 6.Solid ionic compounds have very high melting points because they
- A.
Are positively charged
- B.
Contain metallic elements
- C.
Are made of elements that are solid at room temperature
- D.
Contain chared ions that are locked tightly together
- 7.The name for the compound with the formula CuBr2 would be written
- A.
Copper (I) bromide
- B.
Copper (II) bromide
- C.
Copper bromine
- D.
Copper (III) bromide
- 8.Formaldehyde, CH20, and acetic acid, C2H4O2 have the same empirical formula but different
- A.
Kinds of anions
- B.
Kinds of cations
- C.
Molecular formulas
- D.
Kinds of atoms
- 9.The simplest organic compound is
- A.
Methane
- B.
Salt
- C.
Aspirin
- D.
Table sugar
- 10.Polymers are large organic molecules that are made of
- A.
Carbon and oxygen only
- B.
Cations
- C.
Anions
- D.
Repeating units
- 11.A protein is a polymer that is made of
- A.
Amino acids
- B.
DNA
- C.
Nitrogen and carbon dioxide
- D.
Simple sugars
- 12.A(n)_______ model can help you understand a compound's structure.
- 13.Formula units of salt, NaCI, contain equal numbers of___and____ .
- 14.The distance between the nuclei of two bonded atoms is the .
- 15.A(n)____bond is formed by the attraction between positively charged metal ions and the_____electrons around them.
- 16.A compound consisting of Br- and Cd2+ ions would be named
- 17.The simplest formula for a covalent compound is its
- 18._______ are compounds that have repeating subunits.
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