Atomic # 37

Name: Rubidium

Atomic mass: 85.468

Atomic # 38

Name: Strontium

Atomic mass: 87.62

Atomic # 39

Name: Yttrium

Atomic Mass:  88.906

Atomic # 40

Name: Zirconium

Atomic mass: 91.224

Atomic # 41

Name: Niobium

Atomic Mass: 92.906

atomic # 42

Name: Molybdenum

atomic mass: 95.94

Atomic # 43

Name: Technetium

atomic mass: {98}

Atomic # 44

Name: ruthenium

atomic mass: 101.07

Atomic # 45

Name: Rhodium

Atomic Mass: 102.906

Atomic # 46

Name: Palladium

Atomic Mass: 106.42

Atomic # 47

Name: Silver

Atomic Mass:  107.868

Atomic # 48

Name: Cadmium

Atomic mass: 112.4

Atomic # 49

Name: Indium

Atomic Mass: 114.818

Atomic # 50

name: Tin

atomic mass: 118.710

Atomic # 51

Name: Antimony

Atomic Mass: 121.760

Atomic# 52

Name: tellurium

Atomic mass: 127.60

Atomic # 53

Name: Iodine

atomic mass: 126.904