science test chapter 18

Question 1

seperation of charge, slight difference in charges of each atom

Answer 1

dipole

Question 2

an atom’s ability to pull electrons toward itself when bonded

Answer 2

electronegativity

Question 3

bond between 2 metals, fluid of electrons

Answer 3

metallic

Question 4

bond that most commonly makes molecules

Answer 4

covalent

Question 5

outer shell of electrons

Answer 5

valence electrons

Question 6

what tends to lose electrons more

Answer 6

metals

Question 7

mixture of 2+ elements

Answer 7

alloy

Question 8

opposite sides of table, metal + nonmetal, crystals

Answer 8

ionic

Question 9

2 nonmetals, close together on table, molecules

Answer 9

covalent

Question 10

what area has the weakest electronegativity

Answer 10

bottom left

Question 11

nonpolar/polar
atoms in a straight line

Answer 11

nonpolar

Question 12

nonpolar/polar
Mickey mouse atoms

Answer 12

polar

Question 13

structure where valence electrons are represented

Answer 13

electron dot stucture

Question 14

naturally formed crystalline solid

Answer 14

mineral

Question 15

rubies and sapphires having the same ionic compound but different are examples of ____

Answer 15

impure crystals

Question 16

many ions grouped in orderly 3d structure

Answer 16

ionic crystal

Question 17

geological deposit containing high concentrations of one or more metal-containing compounds

Answer 17

ore

Question 18

4 shared electrons

Answer 18

double bond

Question 19

6 electrons shared

Answer 19

triple bond

Question 20

attraction forces between ions and polar molecules that pull ions apart, salt dissolving in water

Answer 20

Ion-Dipole

Question 21

attraction between 2 polar molecules, holds water together, “sticky”

Answer 21

dipole-dipole

Question 22

weak attraction that results between a permanent dipole and an induced dipole, O2 induced to a dipole when by H20

Answer 22

dipole-induced dipole

Question 23

an atom with a charge (may be positive or negative)

Answer 23

ion

Question 24

another name for the Electron-Dot Structure

Answer 24

Lewis dot structure

Question 25

ion formed when there are more electrons than protons

Answer 25

negative ion

Question 26

ion formed when there are more protons than electrons

Answer 26

positive ion

Question 27

type of bond that occurs when electrons are transferred

Answer 27

ionic bond

Question 28

type of bond where a “fluid” of negatively charged electrons hold the positively charged metal

Answer 28

metallic bond