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What is an electron Shel?
An electron shell is the outermost shell in an atom. This is where you'll find bounding power in the atom. Atoms in the last column of the periodic table have the full outer most shell and are most stable.
What is a penultimate shell?
Anti-Penultimate shells are the ones to the inner side of penultimate shells or the third from the last.
How will an atom with 2 electrons in its second shell usually combine with other atoms?
If you are saying that the second shell is the last shell of an atom, then the two electron in it would be its valence electrons. If the atom has more shells (more than two), then the two electrons inside the second shell will not usually combine with other atoms since it will be hard to obtain. If you are referring to the second group in the periodic table, then the two electrons in its shell will be given to a nonmetal so that it will be happy with 8 electrons in its shell.
Which atom should be balanced last when balancing hydrocarbon combustuion reactions?
Hydrogen atoms are typically balanced last when balancing hydrocarbon combustion reactions because they are usually the most abundant and straightforward to adjust. It is best to first balance the carbon atoms, then the hydrogen atoms, and finally the oxygen atoms in the reaction.
How many atoms does 3 molecules of methanol have?
3 molecules of methanol (CH3OH) contain a total of 21 atoms. Each methanol molecule consists of 5 atoms: 1 carbon atom, 4 hydrogen atoms, and 1 oxygen atom. Therefore, 3 molecules would have 21 atoms (5 atoms x 3 molecules + 1 atom for the extra carbon in the last molecule).
How many hydrogen atoms are present in a hydrocarbon chain of five carbons joined to each other by single covalent bonds?
There would be 8 hydrogen atoms in a hydrocarbon chain with 5 carbon atoms joined by single covalent bonds. Each carbon atom forms 4 single covalent bonds, so each carbon would be attached to 2 hydrogen atoms. The first and last carbon atoms in the chain would each have 3 hydrogen atoms attached, and the middle carbon atoms would each have 2 hydrogen atoms attached.
What is nuclear fusion in the Sun?
This is the fusing of hydrogen atoms to form helium atoms, and in some cases heavier elements as well. The dominant reaction in our Sun is the combining of hydrogen isotope atoms to form helium atoms. Deuterium atoms, which are hydrogen atoms which have a neutron, are forced together to form a helium atom, which is two protons and two neutrons, and some energy is produced. The Sun is slowing using up its supply of hydrogen, but there is enough to last for at least another two or three billion years.
Where are the happy atoms located?
Happy atoms refer to positive ions that have gained electrons, thus achieving stability and a neutral charge. In general, happy atoms can be found in stable compounds where atoms have achieved a full outer electron shell through bonding with other atoms.
An atom chlorine has several valence electrons in its?
Chlorine has 7 valence electrons in the 3rd electron shell. Chlroine is in the third row of the periodic chart, so its 3rd shell is the valence shell, and it is in the next to last column, 7A, so it has 7 electrons in that 3rd shell.
What is the number of electrons in the valence shell of an atom of aluminum in the ground state?
An atom of aluminum in the ground state has 3 electrons in its valence shell. Aluminum has an electron configuration of 2-8-3, so its valence shell is the third shell, where the last 3 electrons reside.
What does the electron configuration of an atom reveal?
It can reveal the number of valence electrons in the last shell.
Valence electrons are the electrons found on the last shell of an atom true or fase?
True
