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Q: If C = -4i - 2j - 3k , what is C × j? a) 3i-4k b) 3i+4k c) 3i+2j-4k d) 3i-2j-4k

A: Given , C→=4i∧-2j∧-3k∧Asked C→ x J→

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: why is it easier to use neutrons to synthesize new elements compared to alpha particles

A: Neutrons are neutral in charge which is more efficient to create new elements due to its stabilizes.…

Q: Lasers are used (Select all that apply) in UPC scanners O in photocopiers O in DVD players in fiber…

A: solution:  Laser are used in :- UPC scanner,photocopiers, DVD players, in fiber optics…

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: A set of interacting parts forming a complex whole

A: group of interacting, interrelated, or interdependent elements forming a complex whole or unity  An…

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: Define the composition of an atom along with its electrons, neutrons, and protons.

A: Composition of an atom

Q: What is the atomic number for the element platinum? 78 47 195 56

A: To determine Atomic number of element platinum

Q: Fill in the nine gaps in this table. Element symbol     Mg     Protons   20   Neutrons   20…

A:

Q: Choose the BEST answer to the following. The neutrons in an atom are normally found (a) inside the…

A: Answer: ai,e  inside the nucleus.

Q: The half-life of an element is 20 years. In how many years will there be 12.5% of the initial…

A:

Q: Order Heparin 5000 units IV bolus now. Patient's weight 60 kg. Available Heparin 1000 units/mL. How…

A: Given statement : Order Heparin 5000 units IV bolus now . Patient's weight is 60 kg Available…

Q: Will electrons collide with the nucleus due to their attraction. Give answer with reason

A: No, electrons will not collide with the nucleus due to their attraction. The reason of this…

Q: ス 3alte e Valt rass 2134

A: (a)Find the equivalent resistance of the given circuit for first path.

Q: Fill in the nine gaps in this table. Element symbol     Be     Protons   6   Neutrons   8…

A: Beryllium is denoted as Be. Carbon is denoted as C. Sodium is denoted as Na.

Q: Determine the reactions at A and B for the beams loaded as shown in Figure weight may be neglected…

A: Draw the free-body diagram of the beam.

Q: Why do scientists prefer to describe matter by its mass?

A: Weight is a measure of force of gravity on an object.

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: Fill in the blanks with the missing items. Refer to the periodic table of elements The first one…

A: We use the properties: Atomic number = no of electrons Atomic mass = no. of protons + no. of…

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: Select one or more: a. The model suggested presence of electrons orbiting the heavy nucleus. b. The…

A: Bohr model suggested presence of electrons orbiting the heavy nucleus in that orbit which is…

Q: What characteristic of an atom is changing in nuclear reactions? nucleus of an atom O electron size…

A: There are two kinds of reactions, chemical reactions, and nuclear reactions. The given question is…

Q: Sub atomic particles inside the nucleus are called nucleons. They are protons and neutrons protons…

A: Neutrons and protons, commonly called nucleons, are bound together in the dense inner core of an…

Q: Exactly what is a positively charged hydrogen atom?

A: A positively charged hydrogen atom

Q: 1 Name the fusion reactions in order of increasing Coulomb barrier height.

A: Nuclear fusion is a process in which two or more atomic nuclie are combined to form one or more tan…

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

A: The positive charge of nucleus pulls the electrons close to the atomic nucleus. The nucleus of an…

Q: Element X has 2 isotopes. One of the isotopes has a mass of 18.9 with an abundance of 75.4%. The…

A: Given: Mass of the first isotope m1 = 18.9 with 75.4% of abundance Mass of the second isotope m2 =…

Q: Fill in the nine gaps in this table. Element symbol K 19 7 Protons 16 Neutrons 20 18 16 Electrons 19…

A: Mass number is the total number of protons and neutrons in the nucleus.

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: Is there any chance this can be resolved on paper?

A:

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

A:

Q: Choose the BEST answer to the following. When an element ejects an alpha particle, the mass number…

A: Generally nuclear decay changes the number of protons in the nucleus of an atom and changes the…

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: 4. Alpha particle bombarded of nitrogen-14 to produce a proton and oxygen-17 5. Neutron bombardment…

A:

Q: Which of the following is from the noble gas family? ок Хе F Cr

A:

Q: What is Curie's law ?

A: Curie's law is associated with magnetization of paramagnetic materials. The law states that the…

Q: What property of an atom determines which type of element it is? O Number of Proton plus Neutrons O…

A: The number of electrons (e) is equal to the number of protons (p) in a atom.  The number is e/p in…

Q: To get an idea of the size of the parts of an atom, including the nucleus and the amount of space,…

A: Here, we want to take the idea of the size of an atom, by comparing it to physical objects.