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Is helium has chemical properties so different from those of the other elements that it cannot be placed in any group?
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Is it true that chemical properties of matter cannot be determined from the composition of matter alone.?
Several chemical properties can be estimated knowing the chemical composition.
Do isomers of the same molecule have identical chemical properties?
When two molecules have different configurations but the same atomic composition the two molecules cannot be said to have the same physio-chemical properties. In fact, a simple rearrangement, even with identical chemical formulas, can drastically change the properties of a substance.
Is true or false chemical properties cannot be seen?
Some can, some cannot
Are all salts elements?
Salts are chemical compounds not elements.
What physical and chemical properties rare determined by investigating the periodic table?
Physical properties like lustre cannot be determined. Chemical properties like enthalpy values is hard to determine.
what element cannot be either physical or chemical?
All elements have both chemical and physical properties. The question as asked has no meaning.
What statements describes element?
elements have unique sets of properties
What was Dalton's opinion the results of other scientists?
dalton's 6 postulates are- 1. all matter is made up of tiny particles called atoms 2.atoms are indivisible particles thtical elemat cannot be divided 3.atoms of identical elements are equal in mass and chemical properties. 4.atoms of different elements have different masses and chemical properties. 5.atoms divide in the ratio of small whno.ole
What type of change occurs when a new substance is formed that has different properties from the original substance?
when a substance undergoes a chemical change the original form cannot be recognized and it could get total new properties.
What happen when you change the chemical property of aluminium?
The chemical properties cannot be changed; only after a chemical reaction the products have new chemical properties.
Why is each element unique and different from other elements with respect to its chemical properties?
An element is a substance that cannot be separated into different kinds of matter.If you could break down a sample of any element into its individual atoms,you would see that its atoms are all the same.Each element is made of only one kind of atom,and its atom differs from the atom of every other element. That difference is what makes the properties if each element unique.
Substances that cannot be broken down by chemical?
From a chemical point of view, as substance that cannot be broken down is an element. The view taken by physicists is different, as they are dealing with subatomic particles, which are made up of other things.
Is it true that chemical properties of matter cannot be determined from the composition of matter alone.?
Several chemical properties can be estimated knowing the chemical composition.
Do isomers of the same molecule have identical chemical properties?
When two molecules have different configurations but the same atomic composition the two molecules cannot be said to have the same physio-chemical properties. In fact, a simple rearrangement, even with identical chemical formulas, can drastically change the properties of a substance.
Is true or false chemical properties cannot be seen?
Some can, some cannot
What are all the characteristics properties of elements?
One of the characteristic properties of an element is that consists of atoms that has the same number of protons. The other characteristic is that it has a distinctive atomic number. The last characteristic is that it cannot be decomposed in the chemical reaction.
Can 2 different elements have the same neutrons and protons?
Each chemical element has a different number of protons; the number of neutrons can be similar.
