×

Protactinium

☒

Rubidium

☒

ADD ⊕
Compare

X

Protactinium

X

Rubidium

Physical Properties of Protactinium and Rubidium

Protactinium Electron Configuration

Protactinium

Rubidium Metal

Rubidium

Add ⊕

1 Physical

1.1 Melting Point

1,568.00 °C38.89 °C

27 3410

1.2 Boiling Point

4,027.00 °C688.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Grayish White

1.3.3 Luster

Metallic

NA

1.4 Hardness

1.4.1 Mohs Hardness

NA0.30

0.2 8.5

1.4.2 Brinell Hardness

NA0.22 MPa

0.14 3490

1.4.3 Vickers Hardness

NANA

121 3430

1.5 Speed of Sound

NA1,300.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NANA

58 97

1.7 Allotropes

✔ ✘

✔ ✘

1.7.1 α Allotropes

Not Available

Not Available

1.7.2 β Allotropes

Not Available

Not Available

1.7.3 γ Allotropes

Not Available

Not Available

Compare Actinide Series » More

Protactinium

Thorium MEtal

Protactinium vs Thorium

Protactinium

Plutonium Metal

Protactinium vs Plutonium

Protactinium

Californium

Protactinium vs Californium

More Compare Actinide Series

Actinide Metals » More

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

More Actinide Metals

Actinide Metals »More

Californium

Californium

Periodi... | Physical | Chemical | Mechanical

Einsteinium Metal

Einsteinium

Periodi... | Physical | Chemical | Mechanical

Actinium Metal

Actinium

Periodi... | Physical | Chemical | Mechanical

» More Actinide Metals

Compare Actinide Series »More

Rubidium Metal

Mendelevium

Rubidium vs Mendelevium

Periodi... | Physical | Chemical | Mechanical

Rubidium Metal

Fermium

Rubidium vs Fermium

Periodi... | Physical | Chemical | Mechanical

Rubidium Metal

Uranium Metal

Rubidium vs Uranium

Periodi... | Physical | Chemical | Mechanical

» More Compare Actinide Series