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Which type of substance is composed of two or more different kinds of elements always in the same ratio?
Two or more different elements that are chemically combined in a definite ratio is a compound. Based on the nature of the bonds, it can be called an ionic compound (i.e. atoms bonded together by ionic bonds) or an molecular compound (i.e. atoms bonded together by covalent bonds).
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A substance composed of two or more kinds of atoms always in the same ratio?
This substance is called a compound. Compounds are formed when atoms of different elements chemically bond together in fixed proportions. The ratio of these atoms in a compound is constant and is represented by a chemical formula.
Is a compound always a mixture?
No, a compound is not always a mixture. A compound is a substance composed of two or more different elements that are chemically bonded together in a fixed ratio. In contrast, a mixture is a combination of two or more substances that are physically combined and can be separated by physical means.
Why is a sample of matter considered a pure substance?
A pure substance is either an element or compound. Elements are composed of only one kind of atom, and compounds are composed of a definite proportion of atoms of different elements that is always the same.
The sum of the percentages in the percentage composition of a substance equals?
The sum of the percentages in the percentage composition of a substance is always 100%. This represents the total proportion of the elements that make up the substance.
What do Chemical composition describes?
"chemical composition" is talking about the individual chemicals that make up a substance. The chemicals it is composed of. eg, wood is mainly carbon, with some water (which is hydrogen and oxygen) and various minerals.
What is the substance of classified as compound?
A compound is defined as a substance that contains at least two chemical elements and always has a constant mass ratio between elements for each possible pair of the elements that are present in it.
Does a compound always contain at least two or more elements?
Yes, a compound is a substance composed of two or more elements that are chemically bonded together in a fixed ratio.
Which type of substances is composed of two or more different kinds of elements always in the same ratio?
compound
A substance composed of two or more kinds of atoms always in the same ratio?
This substance is called a compound. Compounds are formed when atoms of different elements chemically bond together in fixed proportions. The ratio of these atoms in a compound is constant and is represented by a chemical formula.
Is a compound always a mixture?
No, a compound is not always a mixture. A compound is a substance composed of two or more different elements that are chemically bonded together in a fixed ratio. In contrast, a mixture is a combination of two or more substances that are physically combined and can be separated by physical means.
Why is a sample of matter considered a pure substance?
A pure substance is either an element or compound. Elements are composed of only one kind of atom, and compounds are composed of a definite proportion of atoms of different elements that is always the same.
Is a substance in which all the exact combinations of elements are always the same?
A substance in which the exact combination of elements is always the same, is called a compound.
What do all compounds have in common?
All the compounds have at least two different types of atoms, they have mass and volume.
What is matter composed of identical atoms?
Matter is composed of identical atoms that make up elements. These atoms can combine to form molecules through chemical bonds, which in turn create the different substances we observe in the universe. The properties of matter are determined by the type of atoms present and how they are arranged.
Is a homoatomic pure substance always an element?
yes A homoatomic molecule is a molecule consisting of atoms of the same element. Good examples would be oxygen (O2), hydrogen (H2), and nitrogen (N2). Homoatomic molecules are also called "Diatomic" molecules.
Pure substance vs mixture?
A pure substance is something like just water (H2O). A homogeneous mixture is a solution with multiple compounds. These mostly contain water, but not always. An example of a homogeneous mixture is H2O+NaCl or NaCl (aq).
Are things that are boling always hot?
No, it depends on the substance and it's elements.
