The + part of an element is called nucleus. The extranuclear part of the atom contains + charged + . Nucleus contains • charged and electrically + particles Atoms of the same elements with different number of are called isotopes.

Q: By definition, all atoms of carbon have exactly 6 _________, but the number of _________ varies from…

A: Carbon is an element in periodic table. It has the atomic number of 6. Carbon is a nonmetal with…

Q: Calculate number of protons, neutrons and electrons present in isotopes of 35Chlorine and…

A: Atomic number = Number of protons Atomic mass  = number of protons + number of neutrons. Number of…

Q: Which subatomic particle has a negative (-1) charge?

A: There are total 3 sub-atomic particles which are present in any atom.

Q: Use the notation to represent a tin ion having the same number of electrons as anatom of the isotope…

A: Isotopes: Those species having same number of electron and proton but different number of neutron.…

Q: How did they describe atoms in around 450BC?

A: Democritus was the first person to give the concept of the existence of an 'atom'. He was a Greek…

Q: Atoms consist of ________ that are positively charged; neu-trons, which carry a ________ charge; and…

A: Given: Atoms consist of ________ that are positively charged; neutrons, which carry a ________…

Q: Determine whether each of the following statements is trueor false. If false, correct the statement…

A: An atom is the “smallest unit in an element”, this was until the discovery of the sub-atomic…

Q: When an atom gives up an electron and acquires a positive charge, it is called a/ an  _____________.

A: Every atom contains valance electrons in its outer shell. When an atom looses and electron from its…

Q: onsider two isotopes.  write the nuclear symbol for both isotopes how do they differe from each…

A: The word isotope consists of two words, iso means same and topo means position. It is defined as the…

Q: What characteristic is different in each isotope? a) the position in the periodie table of the…

A: Introduction Isotopes are those particular atoms of the same atomic number which are having…

Q: How many neutrons are in the nucleus of an atom with an atomic number of 25? (use Periodic Table for…

A: Number of protons = atomic number   Number of electrons = atomic number (in case of neutral atom)…

Q: Even though several elements have only one naturallyoccurring isotope and all atomic nuclei have…

A: The average mass of naturally formed isotopes is the atomic mass of the atom and the sum of number…

Q: If a certain atom is composed of 5 neutrons, 5 electron and 5 protons. The net charge is said to be

A: Atoms are composed with nucleons (protons and neutrons) and electron.   Charge of a…

Q: Within an atom, the positive charge is O concentrated at multiple sites in the atom O spread evenly…

A: At atom can be defined by its protons , electrons and neutrons. Protons are positively charged…

Q: Use the References to access important values if needed for this question. The atomic weight of…

A: The given chemical element is Cesium (Cs). It is an alkali metal. Given atomic mass is…

Q: Two different atoms have 9 protons and the same mass. One is neutral and the other has a negative…

A:

Q: One isotope of hydrogen is called protium. Its symbol is: bydroge protum) What is the term used for…

A: Isotopes refer to those elements which have same atomic number but different mass numbers. In other…

Q: What most likely explains why the chemical symbol for calcium is? A. The symbol was already used for…

A: Calcium is discovered by Humphry Davy in 1808. It belongs to group 2 of the periodic table with an…

Q: What

A: We will Give name of charged particle.

Q: complete the following information. If necessary, use the periodic table. Nuclear symbol = ? Charge…

A: Answer :- Nuclear symbol :- Chemists generally used certain element using standard atomic notation ,…

Q: For the following questions determine the percent abundance of each isotope. The periodic table is…

A: Given Two isotope Oxygen - 16(smaller isotope)      Atomic mass = 16Oxygen - 18(larger isotope)…

Q: Potassium has an atomic number of 19 and an atomic mass of 39 (ignore the possibility of isotopes…

A:

Q: Diagram an atom of nitrogen which consists of 7 protons, 7 neutrons and 7 electrons. Be sure to…

A: Answer -

Q: 1. Pick the correct combination for the charges of sub-atomic particles.

A: The objective of this question is to correctly determine the combination of the charges of…

Q: positive charge

A: The part of an atom has an overall positive charge is called Proton.

Q: Electron- Proton- Atomic number- Atomic mass- Neutron- Nucleus- C. Isotopes or Different Elements?

A: A typical atom is made up of subatomic particles that include electrons, protons, and neutrons.…

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: Complete the following statements: a. The atomic number gives the number of _______ in the nucleus.…

A: The number of protons, neutrons and electrons which make up a neutral atom has to be given. A…

Q: Katz's deli in NYC makes its Reuben sandwich with corned beef, sauerkraut, swiss cheese, and Russian…

A: The law of multiple proportion is applicable only to those compounds in which two different…

Q: Enter the appropriate symbol for an isotope of phosphorus-32 corresponding to the isotope notation…

A: The term isotopes can be defined as the variants of a given chemical element that differ in neutron…

Q: postulate in the atomic theory did the discovery of isotopes contradict

A: The postulates of atomic theory are shown below: Matter is made up of small indivisible particle is…

Q: Part A Enter the appropriate symbol for an isotope of potassium-39 corresponding to the isotope…

A: The general notation for isotope is as follows,                                     Z A X Where, Z…

Q: Write the standard atomic notation for an atom with 20 neutrons, 26 electrons, and 26 protons. Note…

A: This solved by atomic number and atomic weight determination.

Q: A hypothetical element, X, has two isotopes: 47X with an isotopic mass of 47.621 amu and 51X with an…

A: The atomic mass of the element can be calculated as,

Q: In complete sentences, describe the similarities and differences between:a. different isotopes of an…

A: (a) similarities and differences between isotopes of an element: Various isotopes of an element have…

Q: The existence of isotopes violates one of the original ideas of Dalton’s atomic theory. Which one?

A:

Q: It correspond to the number of electrons of electrically neural or complete atom

A: An atom forms an ion when electrons are either added or removed from it. It forms cations…

Q: Enter the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: An hypothetical element has the following distribution of natural occurring isotopes:      60.795%…

A:

Q: 24 - Which of the following refutes Dalton's statement: "The smallest building block of an element…

A: Dalton proposed his theory in 1808 in which he said that atom is the basic unit of matter and also…

Q: Define atomic number, atomic weight, and isotope.

A: Elements are placed in the increasing order of their atomic number in the horizontal rows and…

Q: . True or False: Deuterium has the greatest number ofprotons of all the isotopes of hydrogen.…

A: The electrons, protons, and neutrons are the basic constituents of an atom. They help in determining…

Q: Complete the following table by filling in the blanks in each row. The first row has been completed…

A: Atomic number(Z):  Number of protons present in an atom  Z = number of protons    Mass number(A):…

Q: Using the golf ball analogy, where the golf ball represents the nucleus of a hydrogen atom, what…

A: The provided picture contains multiple questions. Hence as per the guidelines, the first question is…

Q: How many electrons belong to a neutral atom with an atomic mass of 39 amu?

A: Atomic mass is a sum total of all the protons + neutrons in a neutral atom.In a neutral atom the…

Q: Two different atoms have nine protons each and the same mass. However, one is neutral while the…

A:

Q: what are isotopes

A: The different variants of a particular element, that are differed by the number of neutrons. In…

Q: subatomic particle with a1+ charge

A: In an atom three fundamental particles are present. Positively charged particle proton and neutral…