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Elements are substances made up of only one type of atom, while compounds are substances made up of two or more different types of atoms chemically bonded together. Elements are the simplest form of matter, while compounds are more complex. Both elements and compounds are pure substances, meaning they have a fixed composition and properties.
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In what ways are compounds and elements similar?
Compounds and elements are similar in that they are both made up of atoms. However, compounds are made up of different types of atoms bonded together, while elements consist of only one type of atom.
In what ways do compounds differ from their component elements?
The properties of a compound differ from the properties of its component elements. For example, at room temperature, hydrogen and oxygen are odorless, colorless gases. Hydrogen gas is highly flammable, and oxygen gas supports combustion. They combine chemically to form water molecules. At room temperature, water is a liquid, and is not flammable and does not support combustion.
Are both elements and compounds essential for life?
Yes, both elements and compounds are essential for life. Elements are the basic building blocks of all matter, while compounds are formed when elements combine in specific ways. In living organisms, elements are used to form compounds that are necessary for various biochemical processes to occur.
What do elements in the same group in the periodic table have in common?
They have the same number of valence electrons, or electrons in the outer electron shell. This allows them to react with certain elements.
Why elements share similar characteristics?
Elements share similar characteristics because they have the same number of electrons in their outermost energy level, which determines their chemical properties. This similarity is due to their placement in the periodic table, where elements in the same group have the same number of valence electrons. These shared characteristics allow elements to react in similar ways and form similar types of compounds.
In what ways are compounds and elements similar?
Compounds and elements are similar in that they are both made up of atoms. However, compounds are made up of different types of atoms bonded together, while elements consist of only one type of atom.
What are two ways in which mixtures differ from compound?
A compound is chemically bonded unlike mixtures and compounds you can't take the elements apart, mixtures you can.
What are two ways in which mixtures are differ from compound?
A compound is chemically bonded unlike mixtures and compounds you can't take the elements apart, mixtures you can.
Why are there more materials than elements?
Because the elements can combine in many ways to form compounds, and compounds can be mixed in many differed ways. Moreover, some elements occur in different forms. The elements carbon and hydrogen alone combine for form thousands of compounds.
Are nitrogen and oxygen similar?
Nitrogen and oxygen are both non-metal elements with similar properties. They have a similar atomic structure and are both diatomic molecules in their natural state. However, they differ in various ways such as in their reactivity and role in supporting life.
In what ways do compounds differ from their component elements?
The properties of a compound differ from the properties of its component elements. For example, at room temperature, hydrogen and oxygen are odorless, colorless gases. Hydrogen gas is highly flammable, and oxygen gas supports combustion. They combine chemically to form water molecules. At room temperature, water is a liquid, and is not flammable and does not support combustion.
Are both elements and compounds essential for life?
Yes, both elements and compounds are essential for life. Elements are the basic building blocks of all matter, while compounds are formed when elements combine in specific ways. In living organisms, elements are used to form compounds that are necessary for various biochemical processes to occur.
What do elements in the same group in the periodic table have in common?
They have the same number of valence electrons, or electrons in the outer electron shell. This allows them to react with certain elements.
Are there 92 compounds in the universe.?
The statement that there are 92 compounds in the universe is misleading. In chemistry, there are 92 naturally occurring elements on the periodic table, but these elements can combine in countless ways to form an immense variety of compounds. Therefore, while there are 92 elements, the number of possible compounds formed from these elements is virtually limitless.
Why elements share similar characteristics?
Elements share similar characteristics because they have the same number of electrons in their outermost energy level, which determines their chemical properties. This similarity is due to their placement in the periodic table, where elements in the same group have the same number of valence electrons. These shared characteristics allow elements to react in similar ways and form similar types of compounds.
What are two ways a compound is different from a element?
A compound is made up of two or more different elements chemically bonded together, while an element is a pure substance made up of only one type of atom. Compounds have unique chemical properties that differ from those of their individual elements.
Why do you think scientists need shorthand ways of writing elements and compounds?
because it is easier
