exam 3

Question 1

the attractive force that holds two atoms together in a more complex unit

Answer 1

chemical bond

Question 2

a chemical bond formed through the transfer of one of more electrons from one atom or group of atoms to another

Answer 2

ionic bond

Question 3

a chemical bond formed through the sharing of one or more pairs of electrons between 2 atoms

Answer 3

covalent bond

Question 4

an electron in the outermost electron shell of a representative element or noble gas element

Answer 4

valence electron

Question 5

the chemical symbol of an element surrounded by dots equal in number to the number of valence electrons present in atoms of the element

Answer 5

lewis symbol

Question 6

_____ elements in the same group of the periodic table have the same number of valence electrons

Answer 6

representative

Question 7

the no. of ____ ______ for representative elements in a group is the same as the periodic table group no.

Answer 7

valence electrons

Question 8

the maximum no. of valence electrons for any element is ___

Answer 8

8

Question 9

in forming compounds, atoms of elements lose gain or share electrons in such a way as to produce a noble gas electron configuration for each of the atoms involved

Answer 9

octet rule

Question 10

an atom that is electrically charged as the result of loss or gain of electrons

Answer 10

ion

Question 11

negatively charged ion

Answer 11

anion

Question 12

positively charged ion

Answer 12

cation

Question 13

the chemical bond resulting from the attraction of positive and negative ions for each other

Answer 13

ionic bond

Question 14

ions, or an atom and ions, having the same no. and configuration of electrons

Answer 14

isoelectronic species

Question 15

a grouping of lewis symbols that shows either the transfer of electrons or the sharing of electrons in chemical bonds

Answer 15

lewis structure

Question 16

the smallest whole no. repeating ratios of ions present in an ionic compound that results in charge neutrality

Answer 16

formula unit

Question 17

an ion formed from a single atom through loss or gain of electrons

Answer 17

monoatomic ion

Question 18

an ion formed from a group of electrons (held together by covalent bonds) through loss or gain of electrons

Answer 18

polyatomic ion

Question 19

a chemical bond resulting from 2 nuclei attracting the same shared electrons

Answer 19

covalent bond

Question 20

paris of valence electrons that are shared between atoms in a covalent bond

Answer 20

bonding electrons

Question 21

pairs of valence electrons about an atom that are not involved in electron sharing

Answer 21

nonbonding electrons

Question 22

the number of covalent bonds that an atom forms is ____ the number of electrons it needs to achieve a noble gas configuration

Answer 22

equal to

Question 23

a covalent bond in which 2 atoms share 1 pair of valence electrons

Answer 23

single covalent bond

Question 24

a covalent bond in which 2 atoms share 2 pairs of valence electrons

Answer 24

double covalent bond

Question 25

a covalent bond in which 2 atoms share 3 pairs of valence electrons

Answer 25

triple covalent bond