Question 11 Which of the following are isotopes of 41Ca? An atom with 20 protons, 20 neutrons, and 20 electrons An atom with 21 protons, 20 neutrons, and 21 electrons O An atom with 20 protons, 20 neutrons, and 21 electrons An atom with 22 protons, 19 neutrons, and 22 electrons

Q: Consider this ionic isotope. The identity of the element is missing. 35 22- 16 Which three…

A: We have to choose the identity of the missing elements from the given options.

Q: An atom of aluminum has 13 protons and an atomic mass of 27 amu. How many electrons will it contain?…

A:

Q: Consider the isotope nickel-60 which has the following nuclear symbol, nickel-60.  Which statement…

A:

Q: Fill in the blanks. Isotope 30Si4+ has: Number of protons Number of neutrons Number of electrons…

A: Given  Symbol of isotope  = Si4+30 Number of proton   = ?  Number of neutron = ?  Number of electron…

Q: The Manganese-55 ion, with a charge of +2, has: 25 protons, 30 neutrons, and 25 electrons 25…

A: To find out the number of protons, neutrons and electrons in the given ion, first of all, find out…

Q: A carbon atom has a mass number of 12 and an atomic number of 6. How many neutrons does it have?

A: The atomic no. of the atom can be described as the total no. of protons that are present in the…

Q: Bromine has two naturally-occurring isotopes. 79Br has a mass of 78.9 amu and accounts for 50.3% of…

A: Given : Atomic mass of Br = 79.9 amu  Mass of isotope 79Br = 78.9 amu Abundance of 79Br = 50.3 % And…

Q: An isotope of carbon has 6 protons and a mass number of 14 amu. How many neutrons does it have?

A: Number of protons (p) = 6  Mass number (A) = 14  Number of neutrons (n) = ?

Q: An isotope of carbon is used in carbon dating. It has an atomic mass of 14 rather than the more…

A: We have to predict correct option for carbon isotope.

Q: Fill in the blanks. Isotope 76AS3- has: Number of protons Number of neutrons Number of electrons…

A:

Q: Assume that only two isotopes of argon, ³²S and ³4S exist in nature (Atomic Number 16). If this were…

A: Given : mass of sulfur

Q: Which isotope is not possible? OH ○ Be 241 Am 95 OH More than one of the isotopes is not possible

A: Isotopes of element are atoms which has same number of proton but different numbers of neutrons .…

Q: Select the two isotopes of nitrogen-15. NN-16 N714N714 F2−F2− phosphorus-15 OO-15 O+O+ O815O815…

A: Isotope - atomic number will be same  Answer will be - N815 O+

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using…

A: Answer: Potassium-39 means, its mass number is 39. Also neutron is always a neutral particle.

Q: Consider this ionic isotope. The identity of the element is missing. 39 ? 2+ 20 Which three…

A: The symbol of an element is written as :  AzX  Here , A is mass number.  Z is Atomic number X is…

Q: Select the two isotopes of nitrogen-15. N -16 N714 F2− phosphorus-15 O -15 O+ O815 carbon-13 N815

A: We have to select the two isotopes of nitrogen-15. The given options are N-16, N714, F2-, P-15,…

Q: Naturally occurring chlorine (Cl) consists of 2 isotopes, 35Cl and 37Cl. Their relative abundances…

A:

Q: An atom of X has an atomic number of 6 and a mass number of 14. Which of the following statements is…

A: A) An atom of X has 6 protons, 6 electrons and 8 neutrons Given that,  An element X having atomic…

Q: Which of these pairs of atoms are isotopes? Atom A: 13 protons, 12 neutrons and 12 electrons. Atom…

A: Definition of isotopes =>  Isotopes are those whose atomic number is same (means number of proton…

Q: Complete the following table. Isotopic Atomic Number Mass Number # protons # neutrons # electrons…

A: To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number:…

Q: Consider the isotope nickel-60 which has the following nuclear symbol, nickel-60.  Which statement…

A: The nuclear symbol is 28Ni60.

Q: Isotope 25Mg2+ has: Number of protons Number of neutrons Number of electrons Mass number

A: Given :-  25Mg2+  To calculate :-  number of protons  number of neutrons  number of electrons  mass…

Q: Bromine has two naturally-occurring isotopes. 79Br has a mass of 78.9 amu and accounts for 50.3% of…

A: Given : There are 2 naturally occurring isotopes of Bromine. Mass of Isotope 79Br = 78.9 amu…

Q: Copper has two stable isotopes with the following atomic masses: copper-63 (atomic mass = 62.9296…

A: Given: average atomic mass of copper = 63.546 amu atomic mass of copper-63 = 62.9296 amu atomic mass…

Q: Determine the number of protons and the number of neutrons in isotope. 226Ra88

A: 226Ra88 is the isotope of Radon. Now, how to determine number of protons and number of neutrons.…

Q: Isotope Name (wimass number) Atomic Number of Number of Total Electric Number of Electrons Number…

A: Complete the given table---

Q: Hydrogen has three isotopes: protium, deuterium, and tritium.  Which of the following statements…

A: Since we know that isotopes are defined as the the atoms having same atomic number but different…

Q: Complete the following table by filling in all of the bolded blanks completely. Nuclear Symbol 102…

A: 1.Mass number  is equal to number of protons plus number of neutrons.  2.  Atomic number is equal to…

Q: Fill in the blanks. Isotope 25Mg2+ has: Number of protons Number of neutrons Number of electrons…

A: Given  Symbol of isotope    = Mg2+24 Number of proton    = ?  Number of neutron  = ?  Number of…

Q: See if you can complete the following table using only what is on this page. Element Symbol Nuclear…

A: Answers to all the blanks in the table is given below.

Q: The atomic number indicates the total number of neutrons and protons in a nucleus the number of…

A: #1) For an neutral atom        Atomic No. = No. Of protons OR No. Of electrons         mass no. =…

Q: Radon-222 (222Rn) has recently received publicity because its presence in basements may increase the…

A: The chemical symbol Rn represents Radon. It is colorless, odorless and radioactive inert gas. It is…

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.