Holmium Basics
Periodic Table Placement
Atomic Structure
Physical & Chemical Properties
Uses of Holmium
100

What element has the atomic # of 67?

Holmium

100

What group of elements does holmium belong to?

Lanthanides 

100

How many protons does a holmium atom have?

67

100

What state of matter is holmium at room temperature?

Solid

100

Holmium is used in control rods for what type of reactors?

Nuclear reactors (splits atoms to make heat)

200

What is the chemical symbol for holmium?

HO

200

What period of the periodic table is holmium found in?

Period 6

200

How many electrons are in a neutral holmium atom?

67

200

What color is pure holmium metal?

Silvery and a little white

200

Holmium-doped lasers(lasers that have/contain holmium) are commonly used in what field of work?

Medical

300

Is holmium a metal, nonmetal, or metalloid?

Metal

300

What block of the periodic table contains holmium?

F-block

300

How many valence electrons does holmium have?

2

300

What magnetic property is holmium especially known for?

Strong paramagnetism

300

Holmium is used as a calibration standard for what instrument?

Spectrophotometers(measures how much light something absorbes)

400

What is the atomic mass of holmium rounded to the nearest whole number?

164.9303

400

Is holmium a transition metal or an inner transition metal?

Inner transition metal

400

What is the most common oxidation state(loss of electrons) of holmium?

+3

400

Does holmium react quickly or slowly with air at room temperature?

Slowly

400

What property makes holmium useful in strong magnets?

Its strong magnetic field 

500

Holmium is named after the Latin name of what city?

Stockholm 

500

Which two elements are directly next to holmium on the periodic table?

Dysprosium and erbium

500

How many electron energy levels does holmium have?

6

500

Holmium has the highest value of what magnetic property of any element?

Magnetic moment 

500

Holmium is mainly used today in medicine and what other field?

Nuclear technology