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What is the meaning of the element and compound?
An element is a substance that consists of atoms that are all of the same type, meaning that they all have the same number of protons in their nuclei. A compound is a substance consisting of molecules, each consisting of the same atoms connected in the same way.
Why isn't oxygen a compound?
Because all of the atoms in it have the same number of protons.
Which two of Dalton's theory were incorrect?
These affirmations are not valid today:· All atoms of a given element are identical.· A given compound always has the same relative numbers of types of atoms.
What is a substance whose atoms all contain the same number of protons and electrons?
compound
What is the difference in a compound and an element?
A compound is a combination of more than one element. (In an "element", all atoms - except perhaps for small amounts of impurities - have the same number of protons.)A compound is a combination of more than one element. (In an "element", all atoms - except perhaps for small amounts of impurities - have the same number of protons.)A compound is a combination of more than one element. (In an "element", all atoms - except perhaps for small amounts of impurities - have the same number of protons.)A compound is a combination of more than one element. (In an "element", all atoms - except perhaps for small amounts of impurities - have the same number of protons.)
Is a substance where all the atoms are the same an element or compound?
A substance where all the atoms are the same is considered an element. An element consists of only one type of atom, while a compound is made up of two or more different types of atoms chemically bonded together.
Substance in which all atoms are alike?
A substance in which all atoms are identical is called an element.
What is the relationship between element and compound?
Atoms make up all matter. An element has atoms that are all the same. Compounds are made of different kinds of atoms combined chemically in exact whole number ratios.
Are all compounds made of the same atoms?
All compounds are made of atoms, but it should not be the same atoms. If we take a simple molecule such as water, it contains two types of atoms, namely hydrogen and oxygen. Their isotopes become further different types.
Does a compound have the same number of atoms as elements?
Not at all. The little numbers after the element's chemical symbol show you how many atoms of that element the compound has. For example, CH4 is methane, C2H6 is ethane, which would have 8 atoms instead of methane's 5, C3H8 is propane with 11 atoms, as long as hydrocarbons are concerned. But there are compounds such as proteins with hundreds of atoms and there their arrangement in space makes a lot of difference for their chemical and physiological properties.
What is this substance in which the number of atoms is not important as long as all of the atoms are of the same type?
A substance where the actual number of atoms is not significant, as long as they are all of the same element, is called a chemical compound. This is because the properties of compounds are determined by the arrangement and types of atoms within the molecules, rather than their quantity.
How are all molecules of a compound identical?
All molecules in a "pure" compound are made up of the same atoms in the same order in structure with the same bonds. Sometimes there are subtle differences such as double bonds that can be either U shaped (CIS) or Z shaped (Trans). Or even a right-handed or left-handed orientation of atoms in a molecule (Chiral).
