Use the periodic table to determine the element (enter atomic symbol) that corresponds to each of the descriptions given below: a) the halogen in the same period as the alkali metal with 11 protons. Element b) the alkaline earth metal in the same period with the neutral noble gas that has 36 electrons. Element c) the noble gas in the same row as an isotope with 110 neutrons and 74 protons. Element d) the noble gas in the same period as titanium. Element

Q: A fictional element has two isotopes and an atomic mass of 76.34 amu. If the first isotope (Isotope…

A: Average atomic mass = 76.34 amu  First isotope = 20.21 amu  Second isotope = 80.76 amu  We have to…

Q: 92.Use the periodic table to give the name and symbol for each of the following elements: (a) the…

A: We can answer all the questions ab looking at the periodic table, but we should know the following…

Q: Which of the following statements is true? O Water is an example of an element. O Protons and…

A:

Q: A fictitious element is composed of isotopes A and B with masses of 61.9887and 64.9846 amu,…

A: A conclusion has to be made on natural abundance of the two isotopes.

Q: Write the correct symbol, with both superscript and subscript,for each of the following. Use the…

A: Number of protons = atomic number Number of protons+ number of neutrons = Mass number Element is…

Q: copper has two naturally occurring isotopes. cu-63 has a mass of 62.939 amu and a relative abundance…

A: Atomic mass of copper=63.546 amu.

Q: A particular element "X" has two naturally occurring isotopes: Isotope of "X"…

A:

Q: Tony stark is trying to make new element, and smashes together an atom of carbon-12 and an atom of…

A: carbon= C612Atomic number = 6Number of protons = 6Number of electrons = 6Mass number  = 12Number of…

Q: 102. Copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative…

A: Isotope: Element having the same atomic number but different mass numbers is called isotopes. For…

Q: The following is a model of a nucleus. The protons are represented by + signs, the neutrons are…

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

Q: atomic

A: Isotope is iodine and it's symbols is " I "  1)  53I127  2) 53I125  3) 53I120

Q: State the laws of definite proportions and multipleproportions. Illustrate each with an example.

A: Law of definite proportions, statement that every chemical compound contains fixed and constant…

Q: How the idea of atoms along with the idea of elements evolved? (e.g. timeline, graphic organizer,…

A: An atom is the smallest particle of matter that uniquely defines a chemical element. An atom…

Q: When writing a complete atomic symbol, there are four numbers used – in the upper-left, upper-right,…

A: In this question, we have to answer that When writing a complete atomic symbol, there are four…

Q: Read each description in the first column of the table below. If any chemical element with atomic…

A:

Q: Copper, which has an average atomic mass of 63.546 amu, has two stable isotopes: copper-63 and…

A: Given,Atomic mass of Copper-63 = 63.546 amuAbundance of Copper-63= 69.15%

Q: Tony stark is trying to make new element, and smashes together an atom of helium-4 and an atom of…

A: When an atom is smashed into another atom, the reaction is termed a nuclear fusion reaction. Such…

Q: Write a symbol for each of the following neutral isotopes. Include the atomic number and mass number…

A: The isotopes are the species which have the same atomic number but a different mass number. The…

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: Fill in the blanks. Be sure to input the isotope symbol fully. For example, if the isotope were…

A:

Q: Copper has two isotopes, 63Cu and 65Cu. If the atomic mass of 63Cu is 62.93 and is found 68.95% in…

A: Given : There are only 2 naturally occurring isotopes of copper. Mass of Cu-63 = 62.93 amu Mass of…

Q: 2.) Average Atomic Mass: Given the following data, supply the average atomic mass for the element…

A: Magnesium has three isotopes and the average atomic mass of magnesium can be calculated by using the…

Q: Fill in the blanks. Be sure to input the isotope symbol fully. For example, if the isotope were "58…

A: Given: Number of protons = 80  Number of electrons = 78  And mass number = 202

Q: Neutral Cl atom has 17 proton and 18 neutron. According to this information, Which one of the…

A: For an atom to be electrically neutral, the number of protons should be equal to the number of…

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: 18 - Since a neutral Cl atom has 17 protons and 18 neutrons, which of the following is false? O a)…

A: Given  Atom = Neutral Cl       Number of proton (p)   = 17 Number of neutron ( n ) = 18 False…

Q: complete atomic symbol for each of the following isotopes:

A: (a).

Q: Hydrogen has naturally occurring isotopes. Which of the following show the correct sequence of…

A: The natural abundance of isotopes oh hydrogen is as :-  Protium = 99.98%  Deuterium = 0.0026-0.0184%…

Q: Calculate the atomic mass of the following element. Experimental analysis show three isotopes:…

A: Given isotopes are : Isotope Mass     % 1 42.315 88.990 2 43.320 3.0090 3 44.325 8.0010

Q: Tony stark is trying to make new element, and smashes together an atom of carbon-12 and an atom of…

A: Here Mr. T is making a new element by smashing  6C12 and 26Fe59. So the new element has the total…

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

A: The nuclear symbol is 28Ni60.

Q: a) the halogen in the same period as the alkali metal with 11 protons. Element b) the alkaline earth…

A: Given: A) The halogen in the same period as the alkali metal with 11 protons? b) The alkaline earth…

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: number (use Roman numeral) to which the following elements belong. Example:  Hydrogen - period 1,…

A: Period number and group number are assigned to element according to periodic table. There are 7…

Q: An element has two naturally occuring isotopes. Isotpe 1 has a mass of 120.9038 amu and a relative…

A: Given :  Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4% and isotope 2 has a…

Q: Write a symbol for each of the following neutral isotopes. Include the atomic number and mass number…

A: The symbol for each of the neutral isotopes is given below. Mass number = Number of protons + number…

Q: what is the average atomic mass for a hypothetical element that has two isotopes with relative…

A: Given two isotopes with relative masses and % abundances as follows: 12.2 amu, 25%; and 13.3 amu,…

Q: Iron has an atomic number of 26 and a mass number of 56. How manyprotons, neutrons, and electrons…

A: Give,  Atomic number of Fe = Z = 26  Mass number of Fe = A = 56  How many protons = ? How many…

Q: Using modern periodic table give two pairs of elements where the atomic masses are in opposite order…

A: The modern periodic table is seven periods and eighteen groups. The elements present in a same group…

Q: An element has two naturally occurring isotopes. One has an abundance of 51.839% and an isotopic…

A:

Q: Find the average atomic mass (atomic weight) for lithium on the periodic table. There are only two…

A:

Q: On the planet Invertios, boron has two isotopes as follows: Isotope Mass (amu)…

A: Many naturally occuring elements exists as more than one isotope. On the basis of their percentage…

Q: Which of the following statement is FALSE? O Elements are organized in order of increasing atomic…

A: Some of the properties of elements in periodic table are: Elements are organized in order of…

Q: In complete sentence, describe the similarities and differences between: Different isotopes of an…

A: In a complete sentence, describe the similarities and differences between different isotopes of an…

Q: 1.Which two subatomic particles each have a mass well below one atomic mass unit?   Question…

A: The particle which have a mass well below the one atomic mass unit is given below.

Q: True or False. Write “T” if the statement is true and “F” if the statement is false.  Since H…

A: Hydrogen is group 1 element and it has more tendency to lose one electron and form cation H+. I…

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

A: Atomic number (Z) :- The number of protons present inside the nucleus of an atom is known as atomic…

Q: Define the terms period and group as they relate to the periodic table. Then, (ii) write an atomic…

A: Periodic table :-   A table with systematic arrangement of elements according to their properties in…

Q: Which statement (s) below about isotopes of the same element is True? I. They have the same number…

A: Isotopes are the elements that have same atomic number but different mass number.    Chemical symbol…