Which one of the elements below has a single atom as its representative particle?  A) nitrogen B) iron C) argon D) phosphorus

Q: In which set of elements would all members be expected to have very similar chemical properties?

A: Cu, Ag, Au is the correct option.  Elements belonging to the same group of similar chemical…

Q: 13. Two atoms that are different isotopes of the same element have (1) the same number of protons…

A: To complete the below statement. Statement: Two atoms that are different isotopes of the same…

Q: which of the following statements is not part of Dalton's original atomic theory?  all atoms of one…

A: According to Dalton's atomic theory, Atoms are indivisible. i.e. there is no subatomic particles…

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

A:

Q: Calculate a) the number of electrons b) the total mass of electrons in 1.08 x 10^25 atoms

A: An atom consists electrons and nucleus, and nucleus consists protons and neutrons. Protons are…

Q: Consider (a) an atom with 20 protons, 20 electrons and 20 neutrons, (b) an atom with 20 protons, 20…

A:

Q: Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic particle or…

A: To find : Which subatomic particles are found in the nucleus of the atom.

Q: What do all isotopes of an element have in common? How do they differ? Provide an example to explain…

A: Each element of the periodic table has an atomic number and mass number. The atomic number is…

Q: Which of the following is correct if an atom is neutral (has no net charge), has an atomic number of…

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Q: Complete the table below, using the diagram of an atom shown at right. name neutron symbol ta…

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

Q: Indicate the isotope having 12 protons, 11 neutrons and 12 electrons.

A: We have to predict the element symbol.

Q: Identify the missing information for each atom or ion. Note that the atoms and ions are not…

A: For any atom its atomic number is equal to the number of protons as well as number of neutrons.…

Q: Consider that element W has three naturally occurring isotopes with the following percent…

A: Given: Isotope with a mass number of 40 is 53.0% abundant; Isotope with a mass number of 44 is 27.0%…

Q: A new synthetic element is found to have two isotopes. Isotope #1 has a mass of 310.9 amu and…

A: A new synthetic element is found to have two isotopes.Mass of isotope #1 (m1) =  310.9 amuMass of…

Q: 12, Which of the statements is not correct about the element germanium? Group of answer choices A,…

A: Germanium is an element with an atomic number 32. The germanium atom has 32 protons and 32…

Q: 1) A piece of iron has only one atom True or false 2) An atom of iron is the same as an atom of…

A: 1) False  A piece of iron has not only one atom . It consist of only iron but it don’t have only one…

Q: The negative subatomic particle is the neutron electron negatron Oproton.

A: Zinc(Zn)  , lithium (Li) and Calcium (Ca)  are the only metals in given option. B is correct option.…

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: The elements chlorine and iodine have similar chemical properties because they a) None of these O b)…

A: The elements chlorine and iodine have similar chemical properties because

Q: 1.) An ion has a mass number of 65, 36 neutrons, and a charge of +1 . Identify the element symbol,…

A: Step : 1             Hey since you have posted multiple questions we will answer first question…

Q: Write isotopic symbols in the form X–A (e.g., C-13) for the given isotope. The uranium isotope with…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

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.