Atom Toolbar - Right Toolbar

The elements of the atom toolbar provide tools for drawing and modifying atoms, including query atom types. The chosen atomic symbol appears on the tip of the cursor. After a left-click, this atom is put on the canvas.

{info} Keyboard shortcuts can also be used to access the functions of the atom toolbar. For more information, see Keyboard Shortcuts.

The atom toolbar of Marvin JS consists of the icons below. Click the name of an icon to jump to the relevant section of the document.

Periodic Table	Frequently Used Atoms	Query atoms

Periodic Table

Opens the Periodic table dialog window.

To draw an atom through the periodic table, follow the steps below:

1. Open the Periodic table dialog by clicking the Periodic table button on the Atoms toolbar.
2. Click the atom button you would like to choose.
3. The dialog closes and the selected atom appears on the tip of the mouse cursor.
4. Put the atoms on the desired place by clicking on the canvas as many times as it is needed.

To set an atom list, follow the steps below:

1. Choose the Atom list button on the lower-left corner in the Periodic table dialog.
2. The selected button is indicated by blue, and an OK button appears on the bottom of the dialog.
3. Select the atoms you would like to have on your list. The selected atoms are indicated in gray.
4. Click OK.
5. The dialog closes and selected elements of the atom list appear on the tip of the mouse cursor.

Frequently Used Atoms

The most frequently used atoms can be reached directly from the toolbar.

Hydrogen	Carbon	Nitrogen	Oxygen	Sulfur	Fluorine	Phosphorus	Chlorine	Bromine	Iodine	Star Atom

{primary} Your custom settings can be different from the atoms showed here.

Query Atoms

Default query atom setting. It is also a combo button: the other types of atoms can be selected from a sub-menu, after clicking on the black triangle of the lower-right corner of the button.

The table below lists the available query atoms.

Query atom symbol	Included Atoms
	Any of the elements except hydrogen
	Heteroatom (any atom except carbon and hydrogen)
	Metal atom
	Halogen atom
	Any of the elements including hydrogen
	Any of the elements except carbon
	Metal atom or hydrogen
	Halogen atom or hydrogen
	Pseudo atom
	Quick access to Atom query properties

To draw a query atom, follow the steps below:

1. Choose the appropriate query atom type from the combo box.
2. The selected atom appears on the tip of the cursor.
3. You can put it onto the canvas as many times as it is needed.

{info} To draw a pseudo atom, open the Pseudo atom dialog. For more information, see Pseudo atom.