What kind of basic force pulls electrons close to the atomic nucleus?

Q: An atom is composed of a central nucleus which is surrounded by which orbiting particles?

A: Atoms have a central nucleus  that is surrounded by one or more electrons (lightweight negatively…

Q: If a consumer product contains nanoparticles or is manufactured/packaged through nanotechnology, is…

A: Nanotechnology is used in many technologies and industry sectors such as medicine, transportation,…

Q: What influence does the strong nuclear force have on the electrons in an atom? It attracts them…

A: Strong nuclear force is the binding force that acts as a glue holding the protons and the neutrons…

Q: Element X has 3 isotopes. One of the isotopes has a mass of 59.5 with an abundance of 43.3%. Another…

A: We know that, Average atomic mass of an element is a weighted average of all masses of all isotopes…

Q: Choose the BEST answer to the following. In the atomic nucleus, electrical forces tend to (a) hold…

A: The force of electric attraction does not hold nuclei together, because all protons carry a positive…

Q: Mention two things that have solar cells in them

A: Asked: Two things which have solar cell in them

Q: What's an atom ?

A: Atom is a basic divisible unit of matter.Atom contains electrons(negatively charged particles),…

Q: What happens if you place a neutron and an electron close together?

A: We will answer the question using the fact that same charges repel and opposite charges attract.

Q: What is the relative charge and relative mass of each subatomic particle

A: sub atomic particle

Q: If you have a sample of an element, it is made of atoms that all have the same number of which type…

A: To identify : The atoms in a sample of an element have the same number of which type of particlesin…

Q: Two protons in an atomic nucleus repel each other, but they are also attracted to each other.…

A:

Q: An electron is 0.5 Å away from a carbon nucleus which contains 6 protons. Find the mutual force of…

A: Given : r = 0.5 Å q1 = -e (for electron charge is negative) q2 = 6e 1Å (Angstrom)= 10^-10m…

Q: If the size of a nucleus (in the range of 10-15 to 10-14 m) is scaled up to the tip of a sharp pin,…

A: The actual size of the nucleus is, 10-15m.The apparent size of the nucleus is, 10-5mThen, the…

Q: Lithium has only two naturally occuring isotopes: lithiumi-6 and lithium-7.  Lithium-6 has a mass of…

A: The atomic mass of lithium can be determined by the following expression.

Q: What is the Atomic mass unit is defined as the mass of ?

A:

Q: What do you mean by Ignition?

A: Ignition is a way or an act of getting fire due to combustion.

Q: Number of Electrons Atomic Number Element name Element Symbol

A: Done

Q: The value of atomic mass unit is equivalent to 9.36 x 10-27 kg 1.66 x 10-32 kg 1.66 x 10-24 ka 1.66…

A:

Q: Which of the following is not an element: hydrogen, carbon, oxygen, water?

A: An element is a pure substance which means it consists of only one type of atoms. When the atoms of…

Q: How many unpaired electrons are present in the isolated carbon atom ( atomic number = 6)' A. none B.…

A: To find: How many unpaired electrons are present in the isolated carbon atom (atomic number = 6).…

Q: What is the repulsive electrical force between two protons 4.0x10^-15meters apart from each other in…

A: The equation for the magnitude of the electrical force between two point charges is given by,

Q: What results from an unequal sharing of electrons between atoms?

A: Electrons are carriers of charges.

Q: 238U92 -->  __________  + 4He2

A: Given: The equation of decay of radio active element is,

Q: What element results if you add a pair of protons gto the nucleus of mercury?

A: Number of protons n in an element of mercury is 80

Q: Sketch a model of Carbon-13 with a (-2) charge. - Include the number of protons, neutrons, and…

A: Carbon-13 is an isotope of carbon that contains 6 protons, 7 neutrons and 6 electrons. It has no…

Q: What are Alpha Particles?

A: Alpha particles are positively charged particles .

Q: How many atoms of carbon-14 are there in Ig of carbon-12 in living organism?

A: Since there are 6.022×1023 carbon atoms in 12 grams of carbon. The 12 gram carbon atom contains,…

Q: Iodine-131 is often used to treat Graves' disease or hyperthyroidism. In Graves' disease the thyroid…

A: Note that the half-life (T) of 131I is approximately 8 days. Let the initial amount of 131I at the…

Q: What fundamental force binds the nucleus of an atom together?

A: There is a total of four fundamental forces present in the universe and out of which the strong…

Q: If an atom gives off an alpha particle what happens to the mass number of the atom? A. Decreases by…

A:

Q: Which ionizing radiation produces the greatest number of ion pairs per mm in air

A: To determine: The ionizing radiation that produces the greatest number of ion pairs per mm in air.…

Q: Choose the best answer to the following: The nucleus of an electrically neutral iron atom contains…

A: The atomic representation of iron is

Q: A neutral atom always has * O More neutrons than protons More protons than electrons The same number…

A: Since an electron and a proton has an equal amount of charge, they will have to equal in numbers to…

Q: What is the essential role of atomic number in creating new elements?

A: Atomic number is total number of electrons in atom. Most of the properties depend on valency of…

Q: The alpha radiation is not used in radiotherapy because: [A] It is an ionizing radiation [B] It is…

A: Among the three radiations, alpha, beta and gamma, the penetrating power is least for alpha…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.