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which of the following is NOT true about elements when they combine to form compounds a. atoms of elements combine to form moleculesb?
yeah it is
Are all atoms made up of molecules which may combine to form elements?
No. Molecules are made of atoms, not the other way around. Atoms of different elements combine to form compounds.
When elements combine to form compounds do their change?
The chemical properties of atoms are significantly changed when they form compounds. When elements combine to form compounds it is called a chemical reaction. The compound is then a collection of molecules and each molecule has are still the same atoms as one started with, but the arrangement of the electrons in the atoms has changed.
What is an atom is it a molecule an element or a compound?
Atoms are the building blocks of all matter. Atoms are the most basic units of an element that have the properties of that element. Atoms of elements combine to form molecules, which can be molecular compounds, and atoms of elements can combine to form ionic compounds, as well. Compounds contain atoms of two or more elements chemically combined.
What combines to form compounds?
Atoms of elements combine to form compounds. A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances.
What atoms do not easily react with or form bonds with other atoms?
Atoms of elements in group 18 (noble gases) do not easily combine with other elements to form compounds.
Elements whose atoms can combine to form compounds?
Reactive elements have atoms that can combine to form compounds. The atoms in a compound are combined through different types of bonds, such as ionic, covalent, hydrogen, and metallic bonding. With ionic bonding, there is an exchange of electrons between atoms. Covalent bonding occurs when electrons are shared by two atoms.
Can atoms of different elements combine to form a compound?
Yes: compounds have to consist of at least two different elements.
Why do atoms of different elements combine?
In order to form compounds eg:sodium[Na] and hydroxide[OH] combine to form sodium hydroxide[NaOH]
When elements combine to form compounds their properties change?
The chemical properties of atoms are significantly changed when they form compounds. When elements combine to form compounds it is called a chemical reaction. The compound is then a collection of molecules and each molecule has are still the same atoms as one started with, but the arrangement of the electrons in the atoms has changed.
How did dalton explain the formation of compounds?
Dalton proposed that elements combine in simple whole number ratios to form compounds, based on his atomic theory. He suggested that atoms of different elements combine in specific ratios to form compounds, where each compound has a unique composition. This explanation laid the foundation for understanding chemical reactions and the formation of compounds.
Did Dalton's atomic theory state that atoms of different elements combine in simple whole-number ratios can form compounds?
Yes, Dalton's atomic theory included the idea that atoms of different elements can combine in simple whole-number ratios to form compounds. This concept helped explain the law of definite proportions.
