Table of Contents
What Type Of Substance Contains More Than One Kind Of Element Joined By Chemical Bonds??
What substance contains two or more elements chemically bonded together?
What is more than one element chemically joined together?
A compound contains two or more elements chemically joined together. A mixture contains two or more different substances that are not chemically joined together. The different substances in a mixture can be elements and/or compounds.
When two or more elements are joined together through chemical bonds and are homogeneous?
A homogeneous mixture is a mixture of two or more chemical substances (elements or compounds) where the different components cannot be visually distinguished. The composition of homogeneous mixtures is constant.
Are substances composed of two or more different atoms bonded together chemically?
Compound: two or more different atoms chemically bonded together. Molecule: two or more different or same atoms chemically bonded together. Element: one single atom. A mixture contains two or more substances (elements lattices molecules compounds) that are not chemically bonded together.
➡Two or more atoms joined together by shared electrons to form compounds.
What are two or more atoms joined together?
A molecule consists of two or more atoms of the same element or different elements that are chemically bound together. Note that the two nitrogen atoms which comprise a nitrogen molecule move as a unit. Microscopic view of the molecules of the compound water (gas phase).
What is two or more atoms joined together called?
Two or more atoms held together by covalent bonds in a specified arrangement is called a molecule. The diagram below illustrates the covalent bond that forms between two hydrogen atoms to form a molecule of hydrogen.
What is homogeneous and heterogeneous in chemistry?
By definition a pure substance or a homogeneous mixture consists of a single phase. A heterogeneous mixture consists of two or more phases. When oil and water are combined they do not mix evenly but instead form two separate layers. Each of the layers is called a phase.
Which of the following are substances composed of two or more components?
A material composed of two or more substances is a mixture. Elements and compounds are both examples of pure substances. A substance that cannot be broken down into chemically simpler components is an element.
What is it called when two or more elements are brought together solution chemical reaction mixture?
A compound is a substance formed when two or more chemical elements are chemically bonded together. Two types of chemical bonds common in compounds are covalent and ionic bonds. The elements combine together in a fixed ratio.
What is composed of two or more atoms held together by covalent bonds?
The group of atoms held together by covalent bonds is called a molecule.
What substance is composed of only one kind of atom?
Are all elements atoms are joined together by chemical bonds?
Molecule is the general term used to describe any atoms that are connected by chemical bonds. Every combination of atoms is a molecule. A compound is a molecule made of atoms from different elements. All compounds are molecules but not all molecules are compounds.
When two or more atoms joined together chemically with covalent or ionic bonds?
When atoms combine through chemical bonding they form compounds—unique structures composed of two or more atoms. The basic composition of a compound can be indicated using a chemical formula.
When atoms join together chemically What are they called?
A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements we call that a compound. All compounds are molecules but not all molecules are compounds. When two hydrogen atoms combine with one oxygen atom it becomes the compound water.
What is difference between H * * * * * * * * * * mixture and heterogeneous mixture?
A homogenous mixture is that mixture in which the components mix with each other and its composition is uniform throughout the solution. A heterogenous mixture is that mixture in which the composition is not uniform throughout and different components are observed.
What are homogeneous and heterogeneous substances mention two examples of each?
A homogeneous solution tends to be identical no matter how you sample it. Homogeneous mixtures are sources of water saline solution some alloys and bitumen. Sand oil and water and chicken noodle soup are examples of heterogeneous mixtures.
Which one of the following is a homogeneous mixture?
Ice is a homogeneous mixture since particles are distributed uniformly within it. In the air all gases would have a uniform composition. Therefore the air is an example of a homogeneous mixture. Wood and soil are examples of a heterogeneous mixture.
Which of the following are substances composed of two or more components quizlet?
B. Mixtures are substances composed of two or more components physically blended. C. Protons neutrons and electrons comprise atoms which chemically bond with other atoms to form molecules.
What is a pure substance containing two or more kinds of?
Compounds: • A pure substance containing two or more kinds of elements. • The atoms are chemically combined in some way. Often times (but not always) they. come together to form groups of atoms called molecules.
Are made of atom or atoms of the same kind?
What is form when two or more substances?
> A compound is a substance formed when two or more chemical elements are chemically bonded together. > In chemistry a mixture is a material made up of two or more different substances which are physically combined.
Which of the following is the name for a substance made of two or more types of atoms that are not chemically bonded together compound mixture solute molecule?
However sometimes there is no chemical reaction or bonding. In this case a mixture is formed from the combined substances. A mixture is made when two or more substances are combined but they are not combined chemically. There are two main categories of mixtures: homogeneous mixtures and heterogeneous mixtures.
What is held together by covalent bonds?
A covalent bond happens when the positive nuclei from two different atoms are held together by their common attraction for the shared pair of electrons held between them. … Atoms that share pairs of electrons form molecules. A molecule is a group of atoms held together by covalent bonds.
Does an element have more than two kinds of atoms?
An element is a pure substance that is made from one single type of atom. For example gold is an element that is made up of gold atoms.
Is water composed of only one type of atom?
If it were made up of more than one kind of atom it would be a compound. Water is a compound because it is made up of water molecules. There is no such thing as water atoms. Water molecules are made of hydrogen and oxygen atoms in the definite proportion of two hydrogens for one oxygen.
Are compounds made of one type of atom?
Explanation: By definition a compound is composed of two or more different elements chemically bonded which is same as saying more than one kind of atom.
How the atoms are joined together?
Atoms come together to form molecules because of their electrons. … When two atoms share electrons between them they are locked together (bonded) by that sharing. These are called covalent bonds. Bonds like this are in oxygen gas nitrogen gas and hydrogen gas.
How are compounds joined together?
Compounds are held together by chemical bonds or links between atoms. Such links are known to arise from the deployment of the electrons of the outer shells of atoms the so-called valence shells.
When two or more atoms ions or molecules combine to form a new and larger molecule?
Atoms can combine into ionic lattice structures or into covalent molecules. When different types of atoms combine the result is called a compound.
When two or more atoms ions or molecules combine to form new and larger molecules The process is called?
Synthesis reaction (anabolic reaction) When two or more atoms ions or molecules combine to form a new and larger molecule.
What is the difference between covalent bonds and ionic bonds?
Ionic bonds form when a nonmetal and a metal exchange electrons while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.
What is called heterogeneous?
Definition of heterogeneous
: consisting of dissimilar or diverse ingredients or constituents : mixed an ethnically heterogeneous population.
