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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
How many neutrons does a molecule of tin IV oxide contain?
A molecule of tin(IV) oxide (SnO2) contains 2 tin atoms (with 50 neutrons each) and 4 oxygen atoms (with 8 neutrons each). Therefore, the total number of neutrons in a molecule of tin(IV) oxide would be 2 tin atoms x 50 neutrons + 4 oxygen atoms x 8 neutrons = 116 neutrons.
What is different about atoms after redox reaction has happened?
After a redox reaction, atoms may have gained or lost electrons, changing their oxidation state. This can result in the formation of new compounds or products. Additionally, the atoms involved in the redox reaction may have rearranged to form different chemical bonds.
Does 12C have fewer neutron than 13C?
Yes. Both carbon atoms have 6 protons. However, the 12C atom has 6 neutrons while the 13C atom has 7 neutrons :)
What type of chemical bond are valence electrons shared?
Valence electrons are shared in a covalent bond. In a covalent bond, two atoms share a pair of electrons in order to achieve a stable electron configuration. This type of bond is commonly found in molecules and allows atoms to fill their outermost energy levels.
How many moles of atoms are contained in 2.88 g NaSO?
To calculate the number of moles of atoms in 2.88 g of NaSO, you first need to find the molar mass of the compound. Sodium sulfate (Na2SO4) has a molar mass of 142.04 g/mol. Then, you can use the formula n = m/M, where n is the number of moles, m is the mass, and M is the molar mass, to calculate the number of moles in 2.88 g of Na2SO4.
What do scientist hope to learn by smashing atoms in a particle acceleration?
Scientists hope to understand the fundamental building blocks of matter by smashing atoms in a particle accelerator. By studying the particles produced in these high-energy collisions, researchers can uncover new particles, forces, and interactions in the universe. This research helps to test and refine our theories of particle physics and the nature of the universe.
What does atom have the same number of in an element?
Most atoms, in their most stable form, will have an equal number of Electrons and Protons. (Protons are Positively charged, Electrons are Negatively charged)
When a unstable radioactive atom degrades what happens to it?
You probably mean decays, not degrades. When an unstable atom decays it goes through one of the following processes:
- Alpha decay - a helium nucleus is ejected reducing the element number by 2 and the mass number by 4.
- Beta decay - a neutron decays to a proton, electron, and a neutrino. The electron and neutrino are ejected increasing the element number by 1 and leaving the mass number constant.
- Gamma decay - the protons and neutrons in the nucleus rearrange themselves into a lower energy state and a gamma ray photon is ejected to remove the excess energy. Neither the element or mass numbers change.
- Fission - certain transient metastable isotopes (e.g. U236 produced by U235 capturing a neutron) can split into two smaller nuclei and eject 2 or more neutrons. Note: Fission is not usually considered a decay process.
What is the nuclear notation of an atom with 6 protons and 7 neutrons?
The nuclear notation of an atom with 6 protons and 7 neutrons would be written as carbon-13, denoted as 13C. This indicates the total number of protons and neutrons in the nucleus of the atom.
What kind of solutions don't conduct electricity?
One solution that will not conduct electricity is pure water. The reason is that it needs a dissociated ionic compound that can mix with water when detached, and then it will be unable to conduct.
What is the correct nuclear symbol for an isotope that has 80 protons and 124 neutrons?
The correct nuclear symbol for an isotope with 80 protons and 124 neutrons is Xe-204, where Xe represents the element xenon.
What is the energy in the form of waves in protons called?
The energy in the form of waves associated with protons is called proton energy.
Are neutrons the only particle that makes up the nucleus?
No, protons also make up the nucleus along with neutrons. Protons have a positive charge while neutrons have no charge. The number of protons determines the element, while the number of neutrons can vary within isotopes of the same element.
What energy resource means splitting large atoms into smaller ones?
Nuclear energy and nuclear power plants utilize the enormous power of fission, which is essentially splitting an atom into smaller atoms, often producing extra neutrons and photons as a by-product. The amount of energy in nuclear fuel is about a million times that of the energy that one can find in chemical fuels like oil.
Neutrons and alpha particles are typically used to bombard an atom of plutonium (usually Pu-239) to create an atom of americium (usually Am-241). In this process, beta particles are also produced as part of the nuclear reaction.
How many atoms of what elements are in a molecule of phenol red?
7 and if you wanna know the rest go to fun.com
What is the expected number of valence electrons for a group 3 A element?
The expected number of valence electrons for a group 3A element is 3. These elements have three valence electrons because they are located in group 3A of the periodic table, which corresponds to the third column from the left.
Which element has six protons in its atomic nucleus?
Carbon is the element which has 6 protons in the nucleus.
What is the history behind the chemical compound octane?
OCTANE - A rating scale used to grade gasoline as to its antiknock properties. Also any of several isometric liquid paraffin hydrocarbons, C8H18. Normal octane is a colorless liquid found in petroleum boiling at 124.6 degrees Celsius. OCTANE RATING - A measure of a gasoline's resistance to exploding too early in the engine cycle, which causes knocking. The higher the rating, the lower the chance of premature ignition.
How can the mass of an atom from the periodic be represented in respect to moles?
The mass of an atom from the periodic table is commonly represented in atomic mass units (amu). To convert this to moles, you can use Avogadro's number, which is 6.022 x 10^23 atoms per mole. Divide the atomic mass in amu by Avogadro's number to find the mass of one mole of atoms in grams.
When two or more different atom combine together in a fixed ratio they produce?
a compound. Compounds are formed when two or more different elements chemically bond together in a specific ratio, creating a new substance with unique properties. The combination of atoms in compounds follows the law of definite proportions, meaning the ratio of elements in the compound is always the same.
What is the number of electrons and neutrons for lithium?
The number of protons will always be 3 in each Li atom, and either 3 or 4 neutrons, depending on the Li atom's isotope. 6Li has 3 protons, while 7Li has 4. All other isotopes of Lithium are unstable.
Is hydride ion more stable or less stable than H-atom?
The hydride ion (H-) is more stable than the hydrogen atom (H•) because the extra electron in the hydride ion helps to stabilize the negative charge through electron-electron repulsion. Additionally, the hydride ion benefits from a full electron octet, making it more stable compared to the hydrogen atom, which has an unpaired electron.
How many times is proton heavier than electron?
The ratio of a proton's rest mass to an electron's rest mass is 1836.15267247:1. For more information, follow the link below.
Molecules in air and water tend to be simpler and have fewer atoms compared to those found in food. Food molecules are typically more complex and larger in size, containing more atoms due to their role in providing energy and nutrients to living organisms.
