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central atoms that are positively charged, either contain more protons than neutrons, or are simply made up of protons, therefore are not complete atoms. any imbalance of protons to electrons will make it no longer an atom but an ion. this is the only way it could be seen as positively charged because atoms are neutral.
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Who is the scientist who suggested that atoms contain a hard core containing most of the mass of an atom?
The scientist that suggested and proved that atoms contained a nucleus in which most of the weight of the atom was contained (in a very small volume) was Ernest Rutherford, in 1909. This was shown in the 'gold foil' experiment. This was made by shooting positively charged alpha particles, or a positively charged helium atom (2 protons, 2 nuetrons). these then when shot at the gold foil. some of the alpha particles just passed through the gold foil, but some were deflected. this proving that some hit the nucleus while others did not.
What type of atoms are shown in a skeletal model of an organic molecule?
These are atoms of carbon.
Number of atoms in a unit are shown by what?
oxidation numbers
What is shown by the structural formula of a polyatomic ion?
An arrangement of bonded atoms.
A cathode ray is deflected away from a negatively charged object What property of the cathode ray is shown by these phenomena?
The property shown by the phenomena is that the cathode ray is negatively charged. A cathode ray is also called an electron beam or an a-beam.
In Rutherfords gold foil experiment shown in Figure 4-1 alpha particles that bounce straight back from the foil have struck in the gold atoms?
No, they struck the nucleus of the atom. Since the alpha particles are positively charged and nucleus is positively charged as well, they repelled each other and alpha particles are repelled back
How was it shown that atomic nuclei are positively charged?
when Rutherford did his experiment he got a observation that very few alpha particles (helium ions ) got deflected from their mean position . This indicates that there is very tiny positively charged particle or object is present . This led to the result that Nucleus is positively charged .
What is K plus?
K is the chemical symbol used to represent potassium. It is usually shown as K+ to indicate that it is positively charged.
Who is the scientist who suggested that atoms contain a hard core containing most of the mass of an atom?
The scientist that suggested and proved that atoms contained a nucleus in which most of the weight of the atom was contained (in a very small volume) was Ernest Rutherford, in 1909. This was shown in the 'gold foil' experiment. This was made by shooting positively charged alpha particles, or a positively charged helium atom (2 protons, 2 nuetrons). these then when shot at the gold foil. some of the alpha particles just passed through the gold foil, but some were deflected. this proving that some hit the nucleus while others did not.
Are all atoms shown in condensed formulas?
Yes, all the atoms are shown in the line of text.
What types of atoms are shown in a skeletal model or an organic molecule?
These are atoms of carbon.
What types of atoms are shown in a skeletal model of an organic molecule?
These are atoms of carbon.
What type of atoms are shown in a skeletal model of an organic molecule?
These are atoms of carbon.
How many atoms of each element are shown in the formula for calcium carbonate?
There are five atoms
Number of atoms in a unit are shown by what?
oxidation numbers
What is shown by the structural formula of a polyatomic ion?
An arrangement of bonded atoms.
What occurs when there is a transfer of electrons?
The transfer of electrons is the movement of electrons from one atom to another atom. The atom that loses electrons becomes a positively charged ion, and the atom that gains electrons becomes a negatively charged ion. An electrostatic bond occurs between the oppositely charged ions, and this is called an ionic bond.
