The symbol of K+ represents one?

Q: Isotopes are defined as atoms ofa. the same element with different numbers of protons.b. radioactive…

A: Atoms of the same element have the same number of protons, which is also called the atomic number.

Q: Define the term atomic nucleus?

A: Atoms are the building blocks of any matter. The composition of the atomic nucleus gives information…

Q: List some Isotopes of Carbon?

A: Isotopes are the compounds which have same atomic number(Z) or we can say that they have same number…

Q: For each pair of elements listed, predict which one has more stable isotopes. b) For Se b) Co or Ni…

A: (a) F or Se : Atomic number of F = 9, so it has 9 protons, and its mass number is 19. Atomic number…

Q: In what ways are isotopes are alike? In what ways are they different?

A: Isotopes are the atoms of same element having the same atomic number.

Q: 1.Which of these is a description of nuclear fission?

A: A is correct option.

Q: For two isotopes Unk-45 and Unk-47 with relative abundance’s of 12.3% and 87.7%, respectively, which…

A:

Q: A) alpha HOH2C ОН B) beta 1 4 gamma OH ОН D) delta

A: Answer : (B) beta

Q: The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones…

A: According to the question, the radioactive element C has half life of 5750 years.  Lost percentage…

Q: laanpi he cheinl centrn u RoS %23 H.

A:

Q: 3. Explain the statement , Matter and radiation have “dual nature.”

A: The matter is that substance which has its own mass and occupies some space.Light or radiation are…

Q: stable isotopes, with low atomic numbers, have a N/Z ratio of 1. What does that imply

A: N/Z ratio - It is the ratio of the number of neutrons to the number of protons of the nucleus of an…

Q: What element has a symbol of K?

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: Which Greek philosopher argued that matter is continuous in 350 B.C?

A: The Greek philosopher, who argued that matter is continuous in 350 B.C has to be stated.

Q: f you look at Gallium's atomic mass on the periodic table, which isotope is more abundant in nature:…

A: Gallium belongs to IIIA group in the periodic table. There are two isotopes of Gallium that occurs…

Q: List the Elements required by Living Organisms?

A: To find: The elements required by Living organisms

Q: 9. +ie + -> +1е 10. Си + н 63 29 64 30 0Zп + 11. н + H + in ->

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: a 25-mL sample of chronium-51 contains 1.00 mCi. If a paitent is to recieve a 50-uCi dose to undergo…

A: The conversion of 50-uCi to mCi is shown below:

Q: 8 (a) Define in words the following: (i) Ka (ii) pKa

A: Given,  (i) Ka and  (ii) pKa

Q: Which of these families has only radioactive elements? * > ><

A:

Q: Atomic # for uranium is 92 how many protons, electrons, neutrons in isotope U- 96?

A: Given that, Atomic number of U is 92.

Q: What is the charge on the electron, the proton, and the neutron, respectively? a.-1, +1, +1 b. -1,…

A: Write charge and mass of electron, proton and neutron ---

Q: Marie Curie is famous for her study of:  a. hydrogen b. electricity c. radiation d. magnetism

A: Marie Curie was a Chemist and Physicist. She won nobel prize for the discovery of Polonium and…

Q: TRUE or FALSE: Isotopes are elements that have a different number of protons.

A: All atoms can be identified by the no. of protons and neutrons they contain. The no. of protons in…

Q: Radon is a radioactive gas that can cause lung cancer. It has been detected in the basement of some…

A: Atomic number of radon Rn = 86  Mass number of Rn-220 = 220

Q: Density of the hydrogen nucleus Calculate the density of the hydrogen nucleus using the information…

A: Given : Radius of hydrogen nucleus = 0.9 fm  Since 1 fm = 10-13 cm  Hence radius of hydrogen nucleus…

Q: What element is defined by the following information?    p+=20  n ^o=20   e^-= 20

A:

Q: Determine the missing element ----   3516S---->  -10e     +     ?

A: From given nuclear reaction  Missing element in the reaction is shown below

Q: Which of the following is the type of particle that almost never interacts with normal matter?   a.…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Write the isotopic symbol for Lead-206.

A: • We need to write the isotopic symbol for Lead-206

Q: 2. Which isotope in each of the following pairs should be more stable? (a) Si or Si (b) Li or Li (c)…

A: Isotopes are the atoms of element having similar atomic number but different mass number. For…

Q: 5. A physics teacher rubs a glass rod and a cotton cloth together. Identify the following statements…

A:

Q: number) in the second box, and the element, with charge if necessary, in the third box.) (a)73Ga →…

A: The emission of the decay particles from an unstable atomic nucleus just to make it a stable atom is…

Q: If the heaviest isotope (A) is more abundant and the other isotopes (B & C) were less abundant,…

A: The periodic table's atomic mass is the average weight of all its isotopes. Average atomic mass of…

Q: Which of the following is not a radioactive element? a. Plutonium b. Thorium C. sulphur d. Uranium

A: The radioactive elements are those which have unstable nuclei and give off atomic radiation to gain…

Q: For each pair of elements listed, predict which one has more stable isotopes:(a) I or Sn(b) Ga or…

A: To solve this problem, we need to know the ratio:

Q: Why are atoms, neutrons, and protons not considered elementary particles? and why is electrons…

A: Atoms are the basic building blocks of any element.

Q: 4 The smallest unit of 5. The nucleus is foun

A: the nucleus is found at the centre of the atom

Q: While looking at bromine (Br) on the periodic table, a student needs to find another element with…

A: The

Q: 44) Which has the highest sub energy level? a. K b. L c. M d. N

A:

Q: Draw the nuclear symbols for the three isotopes of carbon. Besides the symbol, what is common to all…

A: Isotopes are atoms of same elements which have same atomic number but different mass number. In…

Q: खोक्कांकंर मीमट MAIS रOOMम ०f 7 जा्षुळ च्छाजीक प्मलैकव प्रेवा ललवडड नो 97.288 उhrad connवाकs उ. 8 7…

A:

Q: Below are the five atomic models in history. Number them in historical order from 1 to 5. (1 being…

A: The 5 atomic models in history are given. They are to be numbered in historical order from 1 to 5.…

Q: Which one travels smallest distance? a. beta radiation b. gamma radiation C. alpha radiation d.…

A:

Q: Magic numbers are associated with protons and neutrons in a nucleus. State the magic numbers for…

A: There are many factors that give to nuclear stability.  These are, Full nuclear shell (magic…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.