a neutral atom can be stable or unstable right?? because stability means the outermost shell is completely filled???
Answers
Answer:GENERAL CHEMISTRY
Atoms are the basic unit of chemistry. They are composed of three basic parts:
1) Neutrons: Neutrons are uncharged particles that are found in the center of the atom (the nucleus). Neutrons give mass (weight) to the atom but do not participate in chemical reactions.
2) Protons: Protons are positively charged particles that are also found in the nucleus. Like neutrons, protons give mass to the atom but do not participate in chemical reactions. The number of protons an atom has is called the atom’s atomic number, and determines the atom’s identity (e.g. carbon atoms have 6 protons, oxygen atoms have 8 protons).
3) Electrons: Electrons are negatively charged particles that are found in electron shells surrounding the nucleus. They have essentially no mass but are important in chemical reactions. The first electron shell can hold 2 electrons. For most biologically relevant atoms, additional electron shells (if present) can hold up to eight electrons.
Each atom contains equal numbers of protons and electrons. The number of neutrons may vary within atoms of a particular type. (For example, carbon atoms may have 6, 7, or 8 neutrons). Atoms that vary only in the number of neutrons are called isotopes.
Explanation:
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Answer: HI! Hope this helps you.
Atoms are the basic unit of chemistry. They are composed of three basic parts:
1) Neutrons: Neutrons are uncharged particles that are found in the center of the atom (the nucleus). Neutrons give mass (weight) to the atom but do not participate in chemical reactions.
2) Protons: Protons are positively charged particles that are also found in the nucleus. Like neutrons, protons give mass to the atom but do not participate in chemical reactions. The number of protons an atom has is called the atom’s atomic number, and determines the atom’s identity (e.g. carbon atoms have 6 protons, oxygen atoms have 8 protons).
3) Electrons: Electrons are negatively charged particles that are found in electron shells surrounding the nucleus. They have essentially no mass but are important in chemical reactions. The first electron shell can hold 2 electrons. For most biologically relevant atoms, additional electron shells (if present) can hold up to eight electrons.
Each atom contains equal numbers of protons and electrons. The number of neutrons may vary within atoms of a particular type. (For example, carbon atoms may have 6, 7, or 8 neutrons). Atoms that vary only in the number of neutrons are called isotopes.
The stability of atoms depends on whether or not their outer-most shell is filled with electrons. If the outer shell is filled, the atom is stable. Atoms with unfilled outer shells are unstable, and will usually form chemical bonds with other atoms to achieve stability.The two types of chemical bonds that atoms can form to achieve stability are called ionic bonds and covalent bonds. In ionic bonds, atoms donate or receive electrons to achieve stability. In covalent bonds, atoms share electrons to achieve stability. The type(s) of bond a particular atom can form depends on the numbers of electrons in their outer shells.
Ionic bonds:
Ionic bonds result from the transfer of electrons between atoms. If an atom has only a few electrons in its outer shell, it can achieve stability by donating these electrons to an atom that has an outer shell that is almost full.
For example:
An atom of sodium has only one electron in its outer shell. An atom of chlorine has seven outer electrons (almost a full shell).
Explanation: