Table of Contents
- 1 What is it called when two elements bond to form a compound?
- 2 What happens when two elements bond?
- 3 When two elements bond and form a compound what happens to their electrons?
- 4 What compound has both ionic and covalent bonds?
- 5 What happens when two atoms combine to form a blank?
- 6 When do atoms combine to form a chemical bond?
What is it called when two elements bond to form a compound?
Compounds can be covalent or ionic. In covalent compounds, atoms form covalent bonds that consist of electron pairs shared between two adjacent atomic nuclei. An example of a covalent compound is ammonia.
What happens when two elements bond?
They can share electrons, making a covalent bond, or they can just borrow them, and make an ionic bond (also called electrovalent bond). When an atom gives up an electron, it becomes positive like the sodium ion (Na+). When an atom gets an extra electron, it becomes negatively charged like the fluorine ion (F-).
What happens when elements form bonds?
Atoms form chemical bonds to make their outer electron shells more stable. An ionic bond, where one atom essentially donates an electron to another, forms when one atom becomes stable by losing its outer electrons and the other atoms become stable (usually by filling its valence shell) by gaining the electrons.
What is formed when two or more different elements bond together?
When two or more atoms chemically bond together, they form a molecule. Sometimes the atoms are all from the same element. If a molecule forms from atoms of two or more different elements, we call it a compound.
When two elements bond and form a compound what happens to their electrons?
As opposed to ionic bonding in which a complete transfer of electrons occurs, covalent bonding occurs when two (or more) elements share electrons. Covalent bonding occurs because the atoms in the compound have a similar tendency for electrons (generally to gain electrons).
What compound has both ionic and covalent bonds?
Sodium nitrate is a compound with both ionic and covalent bonds.
What is formed when elements join together?
When elements combine or join together new substances are formed. These substances are called compounds. There are millions of different compounds and all of them have different properties. The properties of compounds are linked to the type of bonds formed within them.
What happens when two or more elements join together chemically?
When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium (Na) and Chloride (Cl), which combine to form table salt (NaCl).
What happens when two atoms combine to form a blank?
When atoms combine they form a blank, which is a force of attraction between two atoms. molecule In many cases, atoms combine to form larger particles called blank-groups of two or more atoms held together by chemical bonds compound A blank is a pure substance made of two or more elements chemically bined into a set ratio.
When do atoms combine to form a chemical bond?
• Chemical bonds form when the valence electronsin the electron cloud around the atoms interact. •When atoms exchange their valence electrons to form compounds, the total number of electrons given must equal the total number taken. Therefore, all compounds are electrically neutral. Chemical Bonding –basic rules
How is a compound represented by a blank?
A compound may be represented by a blank, which shows the elements in the compound and ratio of atoms. mixture. A blank is made up of two or more substances-elements, compounds or both-that are mixed together in the same place but are not chemically combined. heterogeneous mixture.
What is a blank in a chemical formula?
A blank is a pure substance made of two or more elements chemically bined into a set ratio. chemical formula A compound may be represented by a blank, which shows the elements in the compound and ratio of atoms mixture