Which elements tend to form ionic bonds? What are ionic compounds composed of? Which type of solid has the highest melting point? What are ionic compounds called? What is the electrical charge of an ionic compound? What are the properties of ionic substances?
Many elements can take the form of eitheranionsorcationsdepending on the situation.Oxygenoften exists in a neutral state, but oxygen atoms tend to formanionsby gaining two electrons. Atoms of other elements also tend to formanions, includingnitrogen,chlorine, andfluorine, among others. By contrast...
Why do nonmetals tend to form anions when they react to form compounds? Why do KCL and CaCl2 produce different flame colors even though K+ and Ca+2 are isoelectronic? How are the formulas for nitrate and nitrite similar? How are they different?
are atoms that gain or lose electrons, resulting in a net positive or negative charge. metals tend to lose electrons, so they have a net positive charge and become cations. non-metals tend to gain electrons, creating a net negative charge of anions. q2 what are the common ionic compounds?
bonds are bonds between an anion and a cation, or simply a chemical bond between oppositely charged ions. Anions like to receive electrons and cations like to give them away, so they attract each other. Ionic bonds tend to form tightly packed crystalline structures, making them hard to break...
Table 1 shows the main elements present in sea water from the Trondheim fjord, which has a very similar composition to the Atlantic Ocean. The presence of these different ions leads to a typical elemental zonation in the outermost millimetres of marine-exposed concrete [2,29,30]. Elemental ...
The term "monatomic" refers to a state when elements occur in the form of single atoms that are not bound to other atoms. When...
metals, the lanthanides and the actinides, follow the octet rule. The octet rule states that elements tend to undergo reactions that result in a full valence shell. Atoms with full outer shells are not very reactive because they are energetically stable. Atoms exchange electrons to increase ...
Unlike elements in groups 1A-3A, which can form cations, and atoms in groups 7A-5A, which can form anions, noble gases generally do neither. Using neon as a specific example, explain why this is so. What can be said about the ions of atoms in the ...
Metals also bond to other metals to share valence electrons in what becomes an electron sea surrounding all the affected atoms. Atoms of different metalsform alloys, which have distinct properties from their component elements. Because the electrons can move freely, metals readily conduct electricity....