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What are the elements of compounds?
The elements of a compound are the simplest components that it can be broken down into by chemical means. The atoms of an element have the same number of protons and electrons and have the same behaviors.
What fact about elements would help explain why two elements would bond with the same element in the same proportion?
If two elements have similar electronegativities or valence electron configurations, they are more likely to bond with the same element in the same proportion. This is because they share similar chemical properties, making them compatible in forming compounds with the same ratios of atoms. This principle is exemplified in the Law of Definite Proportions, which states that compounds always contain the same elements in the same proportion by mass.
What always has the same chemical formula?
Elements have the same chemical formula because they are made up of only one type of atom. For example, the chemical formula for gold is always Au, regardless of its form.
Can atoms of different elements have the same number of protons be from the same element?
No. Each type of atom (element) has its own unique number of protons, which is called the atomic number. Atoms of the same element will always have the same atomic number (number of protons). Atoms of different elements will never have the same atomic number (number of protons).
Who developed the law of definite composition?
The law of definite composition was developed by French chemist Joseph Proust in the late 18th century. He formulated this law based on his experiments with chemical compounds, which stated that a given compound always contains the same elements in fixed proportions by mass.
What type of matter is made of elements in a specific ratio that is always the same?
Elements combined in specific ratios form compounds.
A given compound is always made of the same elements in the same?
A given compound is always made of the same elements in the same proportion.
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.
Is the amount of elements needed to make a compound always the same?
The proportions are always the same.
Does a mineral always contain certain elements in definite proportions?
No, a mineral does not always contain certain elements in definite proportions. While minerals have a specific chemical composition, the proportions of elements can vary within certain limits and still be considered the same mineral.
Are compounds always the same as their elements?
Not necessarily
Do elements always combine in specific ratios?
The Law of Definite Proportions says that a given chemical compound always contains the same proportion by mass of its constituent elements. This is NOT the same as saying that elements always combine in a specific ratio, because they can combine in different ratios in different compounds. An example of this might be copper oxide which can be CuO or Cu2O, showing a different ratio of copper to oxygen. So, the answer to the question, as asked, is no, elements do not always combine in specific ratios.
Are elements that make up a compound always present in the same proportions?
No, elements in a compound are not always present in the same proportions. The ratio of elements in a compound is determined by its chemical formula.
How is waves speed related to its wavelength and frequency?
The speed of a wave is equal to the product of its wavelength and frequency. This relationship is described by the equation: speed = wavelength x frequency. In other words, as the wavelength increases, the frequency decreases, and vice versa, to maintain a constant wave speed.
What is the law of proportions?
A chemical compound always contains exactly the same proportion of elements by mass. ---------------------------------------------------------------------------------------------------- A law that states that a compound always contains the same elements in the same proportions. Source: e2020
Are the proportions of a compound fixed or not fixed?
The proportions of elements in a compound are fixed, meaning that a specific compound will always have the same ratio of elements by mass. This fixed ratio is determined by the chemical formula of the compound.
How are frequency and wavelength of an mechanical wave related?
The product of (frequency) multiplied by (wavelength) is always the same number.The number is the speed of the wave.
