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How are subscripts used in a compound?
Subscripts in a compound are used to indicate the number of atoms present for each element in the compound. They show the ratio at which the elements are combined to form the compound. Each subscript number represents the number of atoms of the element that follows it.
What test is used to show that ethene is unsaturated?
Bromine water test is used to show that ethene is unsaturated. In the presence of ethene, the red-brown color of bromine water disappears due to addition reaction with ethene, indicating its unsaturation.
What is the code used in chemical equations telling what atoms are part of the equation?
The chemical formula indicates the types and quantities of atoms in a molecule or compound. Each element is represented by its symbol, with subscript numbers indicating the number of atoms present. When writing chemical equations, reactants and products are connected by plus and arrow symbols to show the transformation of atoms during a chemical reaction.
What are codes used in chemical equations telling what atoms are part of the equations?
formulas
Models are used to show which qualities of a chemical structure?
Models are used to visualize the structural features, such as bond angles and distances, spatial arrangements, and functional groups present in a chemical structure. They help chemists understand the three-dimensional arrangement of atoms in a molecule and how it impacts its properties and reactivity.
How many moles of bromine atoms in 1 mole of bromine gas Please show equation?
Bromine exists as a diatomic gas. Thus, there are two moles of bromine atoms in 1 mole of bromine gas.
Does a molecular formula show the types and numbers of atoms present in a molecule of a compound?
Yes, structural formulae show how the atoms in a compound are arranged. For example, CH3CH2CH2CH3 is the structural formula for butane. Unlike the displayed formula, it does not show the individual bonds that are formed.
How are subscripts used in a compound?
Subscripts in a compound are used to indicate the number of atoms present for each element in the compound. They show the ratio at which the elements are combined to form the compound. Each subscript number represents the number of atoms of the element that follows it.
What test is used to show that ethene is unsaturated?
Bromine water test is used to show that ethene is unsaturated. In the presence of ethene, the red-brown color of bromine water disappears due to addition reaction with ethene, indicating its unsaturation.
How does a complete structural formula differ from condensed formula?
The complete or full structural formula shows all the atoms and their bonds separately. The condensed structural formula shows the atoms present but does not show the bonds.
A chemical formula used to show the number and types of atoms present in a molecule is referred to as what?
A chemical formula that shows the number and types of atoms in a molecule is known as a molecular formula. Molecular formulas are written by writing the symbol for each element followed by a subscript to show the actual number of atoms in the molecule.
What evidence is there that bromine undregoes photodissociation?
Bromine undergoes photodissociation in the presence of light, typically in the ultraviolet range. This process can be observed by the change in color of the bromine solution from reddish-brown to colorless due to the formation of bromine radicals. Additionally, spectroscopic studies show characteristic absorption spectra associated with the photodissociation of bromine molecules.
What are the resonance structures for bromate ion?
There are two resonance structures for bromate - two of the oxygens are double bonded to bromine, and one is single bonded. The double bonded bromines share the electrons between all three, creating two equivalent resonance structures.
What is the code used in chemical equations telling what atoms are part of the equation?
The chemical formula indicates the types and quantities of atoms in a molecule or compound. Each element is represented by its symbol, with subscript numbers indicating the number of atoms present. When writing chemical equations, reactants and products are connected by plus and arrow symbols to show the transformation of atoms during a chemical reaction.
What is the present tense of show?
to show - shows - showed - shown (archaic: shewed - shewn) The present tense is: I/you/we/they show He/she/it shows
What are codes used in chemical equations telling what atoms are part of the equations?
formulas
Models are used to show which qualities of a chemical structure?
Models are used to visualize the structural features, such as bond angles and distances, spatial arrangements, and functional groups present in a chemical structure. They help chemists understand the three-dimensional arrangement of atoms in a molecule and how it impacts its properties and reactivity.
