PS Chapter 20

Question 1

chemical formula

Answer 1

element symbols and subscripts written to show the number of atoms of each element in a chemical compound

Question 2

chemical bond

Answer 2

a force that holds atoms together in a compound when they gain, lose, or share electrons

Question 3

ion

Answer 3

a charged particle that results from an atom gaining or losing electrons (transfer of electrons)

Question 4

ionic bond

Answer 4

force of attraction between oppositely charged ions

Question 5

covalent bond

Answer 5

attraction that forms between atoms when they share electrons

Question 6

molecule

Answer 6

neutral particle that forms as a result of electron sharing

Question 7

binary compound

Answer 7

compound made up of two elements

Question 8

polyatomic ion

Answer 8

an ion formed from a bunch of nonmetals covalently bonded together

Question 9

compound

Answer 9

a chemical combination of atoms of different elements in a specific ratio which changes the elements’ properties

Question 10

properties

Answer 10

the way a substance acts or reacts

Question 11

subscript

Answer 11

written below

Question 12

chemical stability

Answer 12

atom with a complete octet of electrons in outer energy level (except H & He with two)

Question 13

ionic charge

Answer 13

a number with a charge written as a superscript after the symbol of the element resulting from an unequal number of protons and electrons in an atom

Question 14

superscript

Answer 14

written above

Question 15

element symbols and subscripts written to show the number of atoms of each element in a chemical

Answer 15

chemical formula

Question 16

a force that holds atoms together in a compound when they gain, lose, or share electrons

Answer 16

chemical bond

Question 17

a charged particle that results from an atom gaining or losing electrons (transfer of electrons)

Answer 17

ion

Question 18

force of attraction between oppositely charged ions

Answer 18

ionic bond

Question 19

written below

Answer 19

subscript

Question 20

written above

Answer 20

superscript

Question 21

attraction that forms between atoms when they share electrons

Answer 21

covalent bond

Question 22

neutral particle that forms as a result of electron sharing

Answer 22

molecule

Question 23

compound made up of two elements

Answer 23

binary compound

Question 24

an ion formed from a bunch of nonmetals covalently bonded together

Answer 24

polyatomic ion

Question 25

a chemical combination of atoms of different elements in a specific ratio which changes the elements’ properties

Answer 25

compound

Question 26

the way a substance acts or reacts

Answer 26

properties

Question 27

atom with a complete octet of electrons in outer energy level (except H & He with two)

Answer 27

chemical stability

Question 28

a number with a charge written as a superscript after the symbol of the element resulting from an unequal number of protons and electrons in an atom

Answer 28

ionic charge