keywords

Question 1

atom

Answer 1

the smallest part of an element that can still be recognized as that element

Question 2

element

Answer 2

a substance made up of only one type of atom. An element cannot be broken down chemically into any simpler substance

Question 3

compound

Answer 3

a substance made when two or more elements are chemically bonded together

Question 4

nobel gases

Answer 4

the very unreactive gases found in Group 0 of the periodic table

Question 5

electronic structure

Answer 5

a set of numbers to show the arrangement of electrons in their energy levels (or shells)

Question 6

covalent bonding

Answer 6

the attraction between two atoms that share one or more pairs of electrons

Question 7

ionic bonding

Answer 7

the electrostatic force of attraction between positively and negatively charged ions

Question 8

ion

Answer 8

a charged particle produced by the loss or gain of electrons

Question 9

giant lattice

Answer 9

a huge 3D network of atoms or ions

Question 10

ionic bond

Answer 10

the bond between positively and negatively charged ions

Question 11

covalent bond

Answer 11

the bond between two atoms that share one or more pairs of electrons

Question 12

molecule

Answer 12

a group of atoms bonded together

Question 13

intermolecular forces

Answer 13

the attraction between the individual molecules in a covalently bonded substance

Question 14

giant covalent structure

Answer 14

a huge 3D network of covalently bonded atoms

Question 15

macromolecule

Answer 15

a giant covalent structure

Question 16

delocalized electron

Answer 16

bonding electron that is no longer associated with any one particular atom

Question 17

fullerene

Answer 17

form of the element carbon that can exist as large cage-like structures, based on hexagonal rings of carbon atoms

Question 18

nanoscience

Answer 18

the study of very tiny particles or structures between 1 and 100 nanometers in size – where 1 nanometer = 10^-9 meters