atomic structure and the periodic table

Question 1

what is an atom

Answer 1

an atom is the smallest part of an element that can exist

Question 2

what is an element

Answer 2

a substance that is made up of only one type of atom

Question 3

how are the elements listed and how many are there

Answer 3

there are 118 elements that are in the periodic table

Question 4

elements can be classified into two groups depending on their properties, what are they

Answer 4

metals and non-metals

Question 5

elements may combine during chemical reactions to form new products what are these called

Answer 5

compounds

Question 6

what is a compound

Answer 6

a substance that is made up of two or more types of atoms

Question 7

do compounds have the same properties as their constituent elements

Answer 7

no, they have different properties

Question 8

what is a mixture

Answer 8

a mixture contains 2 or more elements and/or compounds not chemically combined together

Question 9

do mixtures have the same chemical properties as its constituent materials

Answer 9

no it has different properties