'When excited in a discharge tube, Argon glows blue and this noble gas glows orange'
Neon
THE ELEMENTS: When excited in a discharge tube, Argon glows blue and this noble gas glows orange
When excited in a discharge tube, Argon glows blue and this noble gas glows orange
When excited in a discharge tube, Argon glows blue and this noble gas glows orange
THE ELEMENTS
Neon
THE ELEMENTS