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Two elements that commonly form ionic compounds are sodium (Na) and chlorine (Cl). When they combine, sodium loses an electron to become a positively charged ion (Na+), while chlorine gains an electron to become a negatively charged ion (Cl-), forming the ionic compound sodium chloride (NaCl).
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Is the composition of an ionic compound formed by two or more nonmetallic elements?
No, ionic compounds are formed by the transfer of electrons between a metal and a nonmetal. Nonmetallic elements typically form covalent compounds where they share electrons rather than transfer them.
Which pair of elements is more likely to form ionic compounds?
Group 1 or group 2 elements with group 16 or group 17 elements. In general, if the electronegativity difference between the two atoms is more than 1.7 in Pauling's scale, then the two atoms form ionic bond.
Is rubidium and calcium an ionic compound?
Rubidium (an alkali metal) does not form compounds or ionic bonds with calcium (an alkaline earth metal). The two each form compounds with several of the same elements (e.g. chloride, carbonate, nitrate).
Which elements react with two atoms of sodium to form an ionic compound?
Elements with one extra electron that can easily donate it to sodium are likely to react with two atoms of sodium to form an ionic compound. For example, chlorine (Cl) and fluorine (F) can react with two sodium atoms to form ionic compounds such as sodium chloride (NaCl) and sodium fluoride (NaF).
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.
Is the composition of an ionic compound formed by two or more nonmetallic elements?
No, ionic compounds are formed by the transfer of electrons between a metal and a nonmetal. Nonmetallic elements typically form covalent compounds where they share electrons rather than transfer them.
Which pair of elements is more likely to form ionic compounds?
Group 1 or group 2 elements with group 16 or group 17 elements. In general, if the electronegativity difference between the two atoms is more than 1.7 in Pauling's scale, then the two atoms form ionic bond.
Is All ionic compounds include at least two elements true?
Yes, all ionic compounds consist of ions formed from at least two different elements - one positively charged cation and one negatively charged anion. This is what allows them to have an overall neutral charge and form ionic bonding.
Is rubidium and calcium an ionic compound?
Rubidium (an alkali metal) does not form compounds or ionic bonds with calcium (an alkaline earth metal). The two each form compounds with several of the same elements (e.g. chloride, carbonate, nitrate).
Which elements react with two atoms of sodium to form an ionic compound?
Elements with one extra electron that can easily donate it to sodium are likely to react with two atoms of sodium to form an ionic compound. For example, chlorine (Cl) and fluorine (F) can react with two sodium atoms to form ionic compounds such as sodium chloride (NaCl) and sodium fluoride (NaF).
Can sodium and oxygen form ionic or non ionic compounds?
Sodium and oxygen can form ionic compounds, such as sodium oxide (Na2O). In this compound, sodium gives up an electron to oxygen, forming an ionic bond due to the difference in electronegativity between the two elements.
What is form by the chemical bonding of two or more atoms?
molecule
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.
Will sodium and sulfur form ionic compounds?
Yes, sodium and sulfur can form an ionic compound because sodium can donate an electron to sulfur, creating Na+ and S2- ions that are attracted to each other due to their opposite charges. This results in the formation of sodium sulfide (Na2S), an ionic compound.
True or false binary ionic compounds consist of two metal elements?
True
It is true for all compounds Composition of ionic compounds Which is NOT true of compounds Which is?
The statement that all compounds have a composition of ionic compounds is false. Many compounds can be covalent in nature, where atoms share electrons instead of transferring them. On the other hand, it is true that compounds have a definite composition with fixed ratios of elements and compounds are formed by the bonding of two or more different elements.
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.
