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Atoms and Atomic Structure
Questions about the structure of atoms/molecules and the resulting properties such as shape, polarity, and number of subatomic particles.
24,683 Questions
Is the energy stored in the bonds between atoms chemical energy?
No. Chemical energy is stored in chemical bonds.
How many of each type of atom is in the compound dinitrogen pentoxide?
The molecular formula for dinitrogen pentoxide is N2O5. This means that each molecule contains 2 nitrogen atoms and 5 oxygen atoms.
What was sir Ernest Rutherford's major contribution to science?
He completely changed the atomic model of his time to something that is quite similar to the current model of the atom. His "alpha scattering experiment" provided the evidence that the atom was mainly empty space, and that most of its mass and all of its positive charge was located in a small, dense core(now called the nucleus).
What is the number of atoms of each element in sulfur dioxide?
1 Sulfur atom and 2 oxygen atoms. Its molecular formula is SO2
Which chemical family has atoms with the fewest number of electrons?
The noble gases have atoms with the fewest number of electrons in their outer shell, typically 2 for helium and 8 for the other noble gases. This stable electron configuration makes them relatively unreactive.
Which scientist's experiments led to the discovery of protons?
Ernest Rutherford's experiments on the scattering of alpha particles by a thin sheet of gold foil led to the discovery of the atomic nucleus and the realization that atoms contain a central, positively charged nucleus called the proton.
Can a atom divide into smaller particles?
Atoms consist of a nucleus made up of protons and neutrons, surrounded by electrons. Atoms can undergo nuclear reactions, such as fission or fusion, which can split the nucleus into smaller particles. However, in normal chemical reactions, atoms do not divide into smaller particles.
Where are protons and neutrons found and what charges do they have?
they are found in the nucleus of the atom. proton have positive charge.
God Bless :)
The proton was discovered by Ernest Rutherford in 1917. Rutherford identified the proton while conducting experiments on the structure of the atom.
What is the influence around a space due to the presence of electrically charge particles?
The presence of electrically charged particles creates an electric field in the space around them. This electric field can interact with other charged particles, exerting forces on them and influencing their movement and behavior. Additionally, the electric field can store energy and affect the properties of the space it occupies.
polar covalent bond is formed. In a polar covalent bond, the shared electrons are not equally shared between the two atoms and are pulled closer to the atom with the stronger electronegativity, creating partial positive and negative charges within the molecule.
When two pairs of electrons are shared between two atoms a ----------------- bond is formed?
When two pairs of electrons are shared between two atoms, a double bond is formed. Each pair of shared electrons represents a bond, so a double bond consists of two pairs of electrons shared between the atoms.
Who was the first Indian philosopher to discover atom?
Kanada is considered to be the first Indian philosopher to discover the concept of atom, known as "anu" in Sanskrit. His work on atomic theory is found in the Vaisheshika Sutra, an ancient text dated to around the 2nd century BCE.
What is the charge of a ion that contains 10 electrons and 12 protons and 13 neutrons?
A neutrally charged atom will always have the same number of electrons in its electron shells as there are protons in its nucleus this is the normal state.
In the case above the atom (which is Aluminum) has three less electrons as compared to protons and is thus a ion with a positive charge of 3 units.
Is a compound with the formula C6H12O6 made up of 3 atoms?
Yes. Three different atoms by element, but the count is......
6 carbon atoms.
12 hydrogen atoms.
6 oxygen atoms.
The compound is glucose.
How is an element's most likely oxidation state related to its valence electrons?
It indicates how many electrons are required to complete a full valence shell.
Where is most of potassium atoms mass located?
Most of the mass of a potassium atom is located in its nucleus, which contains protons and neutrons. The electrons in the electron cloud surrounding the nucleus have significantly less mass compared to the nucleus.
How can we calculate the atomic number bet we can't see the electrons?
We don't need to. The atomic number is based on the number of protons. Since all elements as they appear in the periodic table have the same number of protons and electrons, if we know one, we know the other.
What happens to an atom if there is an excess or a shortage of electrons?
If an atom has an excess of electrons, it becomes negatively charged and is called an anion. If it has a shortage of electrons, it becomes positively charged and is called a cation. Both types of charged atoms are called ions.
When electrons are raised to a higher energy level they?
When electrons are raised to a higher energy level, they absorb energy from an external source. This causes the electrons to move further away from the nucleus of the atom. The electrons can then release this absorbed energy in the form of light when they drop back down to their original energy level.
What element has 2 electrons in the l shell?
The element with 2 electrons in the L shell is Lithium with atomic number 3. The electron configuration for Lithium is 1s^2 2s^1, meaning it has 2 electrons in the L shell.
Which of the representative elements in period 4 has 3 valence electrons?
The representative element in period 4 with 3 valence electrons is phosphorus.
What is the combining ratio of potassium and bromine?
The combining ratio of potassium and bromine is 1:1, meaning that one atom of potassium combines with one atom of bromine to form potassium bromide (KBr).
How many liters of C2H2 should be produced from 80 grams of H2O?
To calculate the amount of C2H2 produced from H2O, we need to consider the stoichiometry of the reaction. The balanced equation for the reaction is 2H2O -> 2H2 + O2 -> 2C2H2. From 80 grams of H2O, we can calculate the amount of C2H2 produced using stoichiometry.
What kinds of atoms are fusing or combining together inside the sun?
Hydrogen atoms are fusing into helium atoms in the Sun's core through the process of nuclear fusion. This fusion reaction releases a tremendous amount of energy that powers the Sun and produces light and heat.
