As a sample of matter is heated, its particles

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: Why are heavier elements not much larger than lighter elements?

A: The heavier elements are not much larger because of the greater electrical attraction by the greater…

Q: Convert the following Binary number (1.10010) to Octal * O 1.025 O 2.364 O 5.32 O 1.23 1.44

A: Solution

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: What happens at the beginning of every roller coaster ride

A: You might think that the roller coaster cars have engines inside them that push them along the track…

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

A: sub atomic particle

Q: What are the characteristics of the three subatomic particles?

A: Protons, neutrons and electrons are the three main subatomic particles.

Q: Where were the atoms that make up a newborn infant “manufactured”?

A:

Q: The atomic nucleus is most often made up of

A:

Q: What is true? about matter and energy 1.matter is made of atomes and molecules that are constantly…

A: Matter:- The term "matter" broadly refers to any "physical substance."  Instead of being a…

Q: What occurs when a particle of matter and a particle of antimatter meet?

A: When a particle of matter and a particle of antimatter meet they annihilate each other and neither…

Q: A radioactive isotope has a​ half-life of about 17 ​years, which means that if it starts with 1 kg…

A:

Q: A microwave oven may: Group of answer choices make food radioactive. emit x-ray. heat up body…

A:

Q: What are the chances that at least one of the atoms exhaled by your very first breath will be in…

A: Air is mixture of many kind of atoms and molecule. They are randomly moving and colliding each…

Q: Marie and Pierre Curie were both winners of the Nobel Prize in physics. This prize is one of the…

A: Curie's family is known for their scientific  achievements and their Nobel prizes are confirmation…

Q: The activity of a radioactive element falls from 600 s1 to 500 s1 in 40 minutes. The half-life of…

A:

Q: What is meter bridge?

A:

Q: Which process is faster: absorption of light or

A: Light loose energy after getting scattered from the electrons in the material and this process is…

Q: What are the four states of matter?

A:

Q: Being the great space adventurer that you are you arrive on Mars as part of a scientific expedition.…

A: Number of protons (Z) = 213 Number of neutrons (n) = 73Number of electrons = 213

Q: Suppose you have four cubic meters of copper, two cubic meters of uranium, three cubic meters of…

A:

Q: What happens to an electron when it emits a photon?

A: When an electron jumps from one energy level to another energy level which is lower than the…

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: The half life of 85Kr is 11 years. What is the mass of one millicurie of 85Kr? O 9.2 microgram O 30…

A: Given  Half life = 11year  T½= 11*365*24*60*60 sec =3.48*10⁸ sec I millicurie = 3.7*10⁷ /s  Lambda=…

Q: Calculations made in Kinetic Molecular Theory allowed to suggest that the collisions between atoms…

A: Answer:- Pressure Calculation made in kinetic molecular theory allowed suggest that the collision…

Q: The atomic mass of an atom is equal to the number of protons and: O Neutrons O lons O Electrons O…

A: The atomic mass of an atom is equal to the number of protons and: O Neutrons O lens O Electrons O…

Q: The wavelength of thhe green emission line in the spectrum of hydrogen is approximately486…

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Q: Sketch a diagram of a boron atom, which has five protons and six neutrons in its nucleus

A:

Q: What is the full story of how light elements formed?

A: What is the full story of how light elements formed?

Q: If two 1/1 H fused to form 2/1 H , there would be   no change in mass   a change in mass of one…

A: Fusion of 2 hydrogen atoms to form a deuterium is to be described: This process occur in cores of…

Q: Radioactivity is a process that occurs: a. In the electronic shells of atoms. b. In the nuclei of…

A: The correct answer is option (b).

Q: Which of these are matter? 1. atoms 2. molecules 3. energy (A) 1 only (B) 1 and 2 (C) 2 and 3 (D) 1,…

A: Matter is something which is occupying a fixed or definite amount of volume and even have a definite…

Q: Molecules attract or repel one another due to _____ forces. a)nuclear b)weak c)gravity d)electric

A: Molecules are the smallest discrete[independent] particles of a compound or element that exist in…

Q: Sketch a model of an atom, showing the positions of the subatomic particles protons, neutrons, and…

A: Protons p+ , neutrons n0 and electrons e- are subatomic particles.  p+have + ve charge. e-s have -ve…

Q: Which process is faster: absorption of light or emission of light by a matter

A:

Q: The total volume of the Pacific Ocean is estimated to be 7.2 × 108 km3. A medium-sized atomic bomb…

A: The temperature of the material gives a measure of the hotness or the coldness. The fact that a…

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.