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Which item best represents thomsons mental image of an atom?
The plum pudding model best represents J.J. Thomson's mental image of an atom. In this model, electrons are embedded within a positively charged "pudding," similar to how seeds are embedded in a watermelon.
The symbol Na represents a sodium atom that has lost an electron?
The symbol Na typically represents a neutral sodium atom with 11 protons and 11 electrons. If a sodium atom loses an electron, it becomes a positively charged sodium ion (Na+).
What is the size of a Cesium Atom?
The size of a cesium atom is around 260 picometers (pm), which is equivalent to 0.26 nanometers or 2.6 angstroms. This measurement represents the typical radius of a cesium atom.
Number of electrons present in a neutral barium atom?
A neutral barium atom has 56 electrons. This is because the atomic number of barium is 56, which represents the number of protons and electrons in a neutral atom.
An isotope of fluorine has a mass number of 19 and an atomic number of 9. how many protons are in this atom?
There are 9 protons in this fluorine atom because the atomic number (9) represents the number of protons in an atom.
Which item best represents thomsons mental image of an atom?
The plum pudding model best represents J.J. Thomson's mental image of an atom. In this model, electrons are embedded within a positively charged "pudding," similar to how seeds are embedded in a watermelon.
Which item best represents Dalton mental image of an atom?
Dalton's mental image of an atom can be best represented by a solid, indivisible sphere with no internal structure, similar to a billiard ball. This model suggested that atoms were the smallest, fundamental particles of matter.
What were Thomsons and rutherfords key discoverirs about the atom?
im awesome!
Which item best represents Thompsons mental image of an atom?
Thompson described his model as plum pudding. Since not many people even know what plum pudding is, i like to describe his model as a scoop of chocolate chip ice cream. Imagine the vanilla ice cream as the positive material and the chips as the negative material.
How did Rutherfords model of the atom different from thomsons?
The Rutherford model involve a positive nucleus separated from electrons.
What represents most of an atom's mass?
The nucleus of an atom represents most of an atom's mass.
In Thomsons Raisin Bun model what were the electrical charges on the bun and the raisins?
The charge of the negative charge of electrons surrounding the nucleus of the atom.
How did Rutherfords findings change Thomsons plum pudding model?
Rutherford supposed that the atom had a central positive nucleus surrounded by negative electrons.
What symbol Na plus represents a sodium atom that has lost?
Na^+ represents a sodium atom that has lost ONE ELECTRON.
What were J. J. thomsons ideas called?
J.J. Thomson's ideas were called the plum-pudding model. This model described how electrons were evenly distributed throughout the atom.
Who made the mental model of the atom?
Democritus
What is f is h20 for water?
The formula for water is H2O, where "H" represents one atom of hydrogen and "O" represents one atom of oxygen.
