Why do certain atoms combine to form a compound
By combining in specific compounds, the total energy of the atoms involved is reduced. The greater this reduction in energy (between the free isolated atoms and the combined atoms in molecules), the more likely the atoms will combine.
they have a complete outer shell
There are many different ways atoms combine to form compounds and these differences lie in the attraction each atom has for other atoms. Im sure in class you have learned about noble gases. Atoms want to be like noble gases. They want to be stable. To be stable is to have lower energy.
You want to focus on valence electrons. The electrons in the outer shell. Generally, atoms want to have 8 valence electons. If oxygen has 6 valence electrons and needs to have two more to be stable and happy, oxygen will go after electrons of other atoms. So for example H2O water, oxygen will 'share' electrons with hydrogen in order to obtain 8 valence electrons (one valence electron is shared with each of the hydrogen atoms). Im not going to go into the details but hydrogen is also at its most stable state with a valence of two electrons (Hydrogen has one valence electron and then is helped out by sharing with oxygen).
Like I said above there are different ways atoms combine. Above I was speaking of covalent bonds where each atom has an attraction for the electrons of surrounding atoms.
To conclude, compounds always have fixed proportions of atoms. For example, there will always be two hydrogen for every one oxygen present in water. The compound that composes water is H2O.
Atoms or Molecules are continuly looking to find difforent bonds. Think of it like this, you have 1 hand. You are then trying to fill up that hand. So any bond you can find will do. If you bond with the smae atom then the bond can be eassily broken when something new and difforent comes in contract because then both atoms can find a new atom to hold hands with.
And that's sort of why and how atoms conbine.
elements combine together because,
Atoms combine to form compounds by either sharing electrons ( in a covalent compound) or by exchanging electrons (in an ionic compound.)
Atoms often join together to form atoms so they can have a complete valence electron shell (a complete outer shell of electrons).
Atoms want to have a full outer shell
Atoms want to have a full outer shell.
to make its octet complete.
no but carbon does
Reactive elements have atoms that can combine to form compounds. The atoms in a compound are combined through different types of bonds, such as ionic, covalent, hydrogen, and metallic bonding. With ionic bonding, there is an exchange of electrons between atoms. Covalent bonding occurs when electrons are shared by two atoms.
Yes, all the compounds contain different types of atoms.
atoms that form molecular compounds form them :) A molecular compound is a compound composed of molecules. Two or more atoms make a molecule. The molecules of a molecular compound contains atoms that are convalently bonded.
The prefix is the number of carbon atoms the suffix is the amount of hydrogen atoms compared to the carbon atoms
Atoms can fuse together to form molecules or compounds.
Every type of atom can form compounds.
Atoms form molecules.
No. Substances are made of atoms. Some atoms combine with other atoms to form compounds.
ions
Linked up atoms form matter called a compound
Chemical compounds
The basic building block of all compounds is atoms. Compounds contain atoms of at least two different elements bonded to one another. Thus, atoms of elements are what form compounds.
they share electrons
The chemical properties of atoms are significantly changed when they form compounds. When elements combine to form compounds it is called a chemical reaction. The compound is then a collection of molecules and each molecule has are still the same atoms as one started with, but the arrangement of the electrons in the atoms has changed.
The chemical properties of atoms are significantly changed when they form compounds. When elements combine to form compounds it is called a chemical reaction. The compound is then a collection of molecules and each molecule has are still the same atoms as one started with, but the arrangement of the electrons in the atoms has changed.
One reason that carbon atoms can form large numbers of compounds is that a carbon atom forms four bonds in its compounds.