What color is lithium on the spectrum?

red
Because each element has an exactly defined line emission spectrum, scientists are able to identify them by the color of flame they produce. For example, copper produces a blue flame, lithium and strontium a red flame, calcium an orange flame, sodium a yellow flame, and barium a green flame.

Which atom is similar to lithium?

alkali metal, any of the six chemical elements that make up Group 1 (Ia) of the periodic table—namely, lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).

What do the elements of Group II 2 have in common?

All the elements in Group 2 have two electrons in their valence shells, giving them an oxidation state of +2. Covers the elements beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr) and barium (Ba).

Why are line spectra different for each element?

As the energy levels have different values, each of the possible electron transitions within an atom will produce a photon with a different energy. As a result each produces photons with different energy and so the line spectra for different elements will be different.

Where are the largest deposits of lithium?

Chile
With 8 million tons, Chile has the world’s largest known lithium reserves. This puts the South American country ahead of Australia (2.7 million tons), Argentina (2 million tons) and China (1 million tons). Within Europe, Portugal has smaller quantities of the valuable raw material.

Is lithium rare or common?

General consensus is that lithium is the 33rd most common element in the Earth’s crust (right behind cobalt and two places before lead). As a whole, the Earth’s lithosphere contains approximately 17-20 parts per million (ppm) of lithium.

Is beryllium similar to lithium?

Lithium and beryllium are the first elements of Group 1 and 2 respectively exhibit some properties which are different from those of the other members of the respective group. They both show similarity in properties of the second element of the following group.

What is difference between lithium and sodium?

Sodium is softer than lithium, making handling and processing more difficult. On the other hand, avoiding dendrite formation by means of mechanical pressure can be easier. Sodium is less reducing than lithium, meaning that more substances are thermodynamically stable in direct contact with the metal.

What happens if an atom absorbs a photon?

When an electron is hit by a photon of light, it absorbs the quanta of energy the photon was carrying and moves to a higher energy state. Electrons therefore have to jump around within the atom as they either gain or lose energy.

Which is an example of a line spectrum?

Line spectrum can therefore be found in both absorption and emission spectra which are exact opposites of each other. When an absorption spectrum and emission spectrum are combined, you get a continuous spectrum with all the wavelengths. Truly white light, like that emitted by some stars and moons is a perfect example of continuous spectrum.

Which is the simplest spectrum of an element?

The wavelengths of the lines are characteristic of the element and may form extremely complex patterns. The simplest spectra are those of atomic hydrogen and the alkali atoms (e.g., lithium, sodium,….

Why are emission and absorption spectra of an atom called line spectrum?

The emission and absorption spectra of the elements depend on the electronic structure of the atom. An atom consists of a number of negatively charged electrons bound to a nucleus containing an equal number of positively charged protons. The nucleus …other hand, is called a line spectrum because only a few wavelengths are emitted.

How is the line spectrum of a hydrogen atom explained?

Atoms of individual elements emit light at only specific wavelengths, producing a line spectrum rather than the continuous spectrum of all wavelengths produced by a hot object. Niels Bohr explained the line spectrum of the hydrogen atom by assuming that the electron moved in circular orbits and that orbits with only certain radii were allowed.