×

Roentgenium

☒

Erbium

☒

ADD ⊕
Compare

X

Roentgenium

X

Erbium

Physical Properties of Roentgenium and Erbium

Roentgenium Metal

Roentgenium

Erbium Metal

Erbium

Add ⊕

1 Physical

1.1 Melting Point

NA1,522.00 °C

27 3410

1.2 Boiling Point

NA2,510.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Silvery White

1.3.3 Luster

Unknown Luster

Lustrous

1.4 Hardness

1.4.1 Mohs Hardness

NANA

0.2 8.5

1.4.2 Brinell Hardness

NA814.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA589.00 MPa

121 3430

1.5 Speed of Sound

NA2,830.00 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 Synthetic Metals

Roentgenium Metal

Flerovium Electron Configuration

Roentgenium vs Flerovium

Roentgenium Metal

Einsteinium Metal

Roentgenium vs Einsteinium

Roentgenium Metal

Seaborgium Electron Configuration

Roentgenium vs Seaborgium

Synthetic Metals

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

<%# Eval("AltText") %>

Synthetic Metals

Seaborgium Electron Configuration

Seaborgium

Periodi... | Physical | Chemical | Mechanical

Hassium Electron Configuration

Hassium

Periodi... | Physical | Chemical | Mechanical

Rutherfordium Electron Configuration

Rutherfordium

Periodi... | Physical | Chemical | Mechanical

Compare Synthetic Metals

Erbium Metal

Moscovium Metal

Erbium vs Moscovium

Periodi... | Physical | Chemical | Mechanical

Erbium Metal

Livermorium Metal

Erbium vs Livermorium

Periodi... | Physical | Chemical | Mechanical

Erbium Metal

Tennessine Metal

Erbium vs Tennessine

Periodi... | Physical | Chemical | Mechanical