Ch 5 Vocab quiz 2

Question 1

a representation of an object or system that is easier to study and manipulate

Answer 1

Model

Question 2

Physical property of particles or objects that causes them to attract or repel each other without touching; may be positive or negative

Answer 2

Electric Charge

Question 3

An object that can attract certain substances, such as iron or steel, as a result of a magnetic field

Answer 3

Magnet

Question 4

an atom or group of bonded atoms that has a positive or negative charge

Answer 4

Metal ions

Question 5

an ionic compound that forms when an acid and base undergo a neutralization reaction

Answer 5

Salt

Question 6

The ability to do work

Answer 6

Energy

Question 7

covalent bonds where electrons are shared equally and neither atom attracts the shared electrons more strongly

Answer 7

Nonpolar covalent bond

Question 8

Having oppositely charged ends, as in polar covalent bond or polar covalent compound

Answer 8

Polar

Question 9

a mixture of a metal with one or more other elements. The other elements may be a metal, nonmetal or both

Answer 9

Alloy

Question 10

one in which there is a slight difference in electric charge between opposite sides of the molecule

Answer 10

Polar covalent compound

Question 11

covalent bonds in which electrons are not shared equally

Answer 11

Polar covalent bond

Question 12

a physical blend of two or more components, each of which retains its own identity and properties

Answer 12

Mixture