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What substance that contains 2 or more elements chemically combined in a fixed proportion?
A substance made of two or more elements chemically combined in a specific proportion is called a compound. A substance composed of two or more elements combined chemically in a fixed proportion by mass is called a compound. A chemical compound can be held together by a covalent bond or an ionic bond.
What reacts with calcium to make an ionic bond?
Ca is an element of the 2nd group of elements, the earth-alkali elements. It will give away its 2 outermost electrons to fulfill the octet rule and become a 2+ ion. calcium carbonate is an ionic compound of calcium and the polyatomic anion carbonate (CO3) with a charge of 2(-). Ca[2+] + CO3[2-] --> CaCO3 (no balancing needed) for additional information about carbonate visit http://en.wikipedia.org/wiki/Carbonate.
What will form an ionic bond with nitrogen?
Elements such as potassium, sodium, calcium, and lithium are likely to form ionic bonds with nitrogen due to their tendency to lose electrons and form positively charged ions, which can then bond with the negatively charged nitrogen ion.
Does sodium and nitrogen form a covalent or ionic bond?
Sodium and nitrogen typically form an ionic bond where sodium loses an electron to become a cation, and nitrogen gains an electron to become an anion. This results in the formation of an ionic compound, such as sodium nitride (Na3N).
What compound do the sodium and sulfur ion make?
The sodium and sulfur elements make the compound of sodium sulfide or Na(2)S. *(2)=subscript 2 The reason for this is because this is an example of an ionic bond (or a bond between a metal and a non-metal) in this case the Sodium is a metal and the sulfur is a non-metal. Since sodium has a charge of +1 and sulfur has a charge of -2 there has to be 2 sodium and one sulfur, thus making the charges of the two elements cancel out.
What happens when a single covalent bond forms between 2 elements?
Each atom contribute with one electron to the bond.
What happens when 2 or more atoms bond by sharing electrons?
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What happens to compounds when they break down?
They become 2 or more elements
Which term best difines two or more atoms joined by a chemical bond?
The term molecule or compound best defines two or more atoms joined by a chemical bond.
If 2 or more elements are joined together they form a?
compound or solution. he could be talking about a covalent or ionic bond
What is a rule for predicting whether or not a bond will be ionic?
If the difference in electronegativity between the elements is greater than 2 then the bond will be ionic, if its between 1.6 and 2 then it will be ionic if one of the elements is a metal.
What determines the stability in a covalent bond?
similarity of electronegativity of the 2 elements
How do you get a compound?
A compound is formed when two or more elements chemically bond together. This can happen through various types of chemical reactions, such as combination reactions or redox reactions. The resulting compound will have a unique chemical formula and properties different from the individual elements that make it up.
In group 2 on the periodic table are they positive ions when they bond with other elements?
Elements from the group 2 of the periodic table form cations.
What element is a polar covalent bond?
No single element can form a bond. Only 2 or more elements can form bonds. Polar bonds occur when there is a dipole moment, or there is asymmetry in the structure. For example, HF forms a polar covalent bond.
What term describes a substance that is made when two or more different atoms bond together in a certain ratio?
When 2 or more elements make a chemical bond giving a new material that material wi be a compound,
What are 2 or more elements join to gether or bond?
A compound Two or more non metals joined together are called molecules. If a metal bonds with any other elements, it is called a formula unit. A compound is defined as two or more elements that are joined together by chemical bonds.
