What will be the charge of an atom that has lost 2 electrons? Group of answer choices -1 +2 0 -2

Q: Rank the elements according to their metallic character. Most metallic Least metallic Answer Bank Si…

A: • As we move from top to bottom in a group, the atomic size increases and hence, the ionisation…

Q: The element N-15 has: Group of answer choices a) 7 protons, 8 neutrons, and 15 electrons b) 7…

A: The given element is N-15: The atomic mass (Z) of N is 7. The atomic mass (A) of the N is 15. The…

Q: An electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 represents which element? Group of answer…

A: Answer:- This question is answered by using the simple concept identification of element using…

Q: 5. Without using a periodic table or any other references, fill in the correct box in the periodic…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: 4) Calculate the proton, electron and neutron numbers of given atoms? 20 Ca F "N

A: Concept introduction: For any element E, its IUPAC notation is represented as, EAZ. Where A : Atomic…

Q: The total mass of the protons in any neutral atom is about ____ times the total mass of electrons in…

A: Introduction: According to Bohr's model of an atom, the nucleus is consist of protons and neutrons.…

Q: Which elements would you expect to lose electrons inchemical changes?(a) potassium(b) sulfur(c)…

A: The element will lose or gain electrons in order to get noble gas configuration or fully filled…

Q: How many core electrons are in the Mg atom? Enter a whole number into the box below.

A: The core electrons are the electrons that are present in the shell other than the valence shell of…

Q: Compute the charge of the following ions. 1.) Ion with a charge of -2 2.) Ion with a charge of +5

A: An electron is a subatomic particle with an electric charge equal to 1.602 × 10-19 coulomb in…

Q: Using all of the rules you determined during the 'Building an Atom' practical, figure out whether…

A: An atom is composed of nucleus, containing protons and neutrons, and electrons present around the…

Q: determine the maximum number of electrons that can have each of the following designations  4px 2p…

A: Given here some orbitals and we are asked to determine the  maximum number of electron that can have…

Q: Match the following elements with their possible number of protons and electrons. Column A Column B…

A: The elements are matched with a suitable number of protons and with number of electrons.

Q: Does the Aluminum (Al) ion gain or lose electrons? a Lose because it is easier for Aluminum (Al) to…

A: Al have 13 electron and 3 electron in it's valence shell. It is element of boron family. Noble gas…

Q: Identify the element, with name and chemical symbol, that has a mass number of 23 and an atomic…

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Q: Rank the elements according to their metallic character. Most metallic Least metallic Answer Bank C…

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Q: If you remove two protons and two electrons from a sulfur atom (S), what new element is formed?…

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Q: QUESTION 5 Orbital shells of an atom: contain electrons and are found in the nucleus contain protons…

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Q: What is the MAXIMUM number of electrons that can be contained in the 5th shell of an atom? (not…

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: Which particle diagram represents a mixture of three substances? * 1 point Key O = an atom of one…

A: option 2  here in this image , there are 3 different types of molecules 1) two atoms of one element…

Q: completes the 5s sublevel. Express your answer as a chemical symbol. has one electron in the 2s…

A: An element that completes 5s subshell is strontium.  The chemical symbol is Sr.  The electron…

Q: Why don't electrons, which are attracted to the protons in the nucleus, simply fall into the…

A: An atoms consist of proton ,neutron and electron It is application of Bohr's postulate Here we are…

Q: Part 2. Complete the empty cells/boxes in the table. Atomic Number Number Mass Electrons protons…

A: Atomic number of an element is equal to the number of protons or the number of electrons present in…

Q: In a mass spectroscope, what causes the atoms of an element to follow the curved path of the…

A: In mass spectroscopy, the gaseous sample molecules are converted into charged particles by the ion…

Q: Atoms of the same element, regardless of charge, all have the same number of neutrons Select one: O…

A: Atoms of the same element have same number of protons and electrons but some elements can have…

Q: Identify the particle that must receive 2 electrons to acquire a charge of +1.   Question 42…

A: Fe2+ + 2e-  → Fe K cannot receive electrons. O2- cannot receive electrons. Al3+  + 2e-    →  Al+1…

Q: The type of element an atom is depends solely on the number of ______________________ it has.   a.…

A: Explained as follows

Q: Question attached

A: The elements are identified on the basis of their atomic number which is equal to the number of…

Q: hich of the following applies to the electron? (a) Charge = -1; (b) Mass = 1 amu; (c) Charge = 0;…

A: Particles that are smaller than atoms and that constitute the atom are called subatomic particle.…

Q: What is the element based on this clue: It has 3 shells of e- and 2e- in last shell?

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Q: Draw an atom with 2 protons, 2 electrons and 2 neutrons inside the box. Color and label its parts.

A: Q. Draw an atom with 2 proton, 2 electrons and 2 neutrons inside the box. Answer :         An atom…

Q: Which of the following is NOT true of electrons? Group of answer choices 1. they have a negative…

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Q: Choose the complete chemical symbol for the isotope of chromium with the following individual…

A: Complete chemical symbol for the isotope of chromium with the following individual characteristics.6…

Q: What will be the charge of an atom that has gained 3 electrons? Group of answer choices +3 -3 -1 0

A: There are 2 types of ions : 1. Cation 2.Anion   When an atom gains an electron , the net charge on…

Q: 86Rb+ What is the atomic number for this atom? [Select ] What is the atomic mass for this atom?…

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

Q: Use the given set of statements to identify a specific atom. Write the symbol for the atom,…

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Q: Which element has 8 valence electrons? Group of answer choices helium neon oxygen potassium

A: An atom is composed of mainly 3 components, electrons, protons and neutrons. Protons and neutrons…

Q: In the Uncertainly Principle, which two things about an electron cannot be fully known at the same…

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Q: Which of the following represents a pair of isotopes? Atom I Atom II Atomic Mass Atomic Mass number…

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

Q: A.Direction: Determine the number of protons, neutrons and electrons in an…

A: In a neutral atom, number of electrons and protons are equal to the atomic number of an atom. The…

Q: matches the description, check Yes and enter the chemical symbol of an element that matches.…

A: Following are the appropriate answers according to morden periodic table.

Q: Which atom contains exactly 15 protons? Select one: a. O-15 b. N-15 c. S-32 d. P-32

A: The atomic number of O, N, S and P is 8, 7, 16 and 15 respectively.

Q: Complete the following sentence: 12C and 13C are uncharged atoms with the same ___ . atomic…

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Q: The following sketch of an atom shows the electron shells of the atom and the number of electrons in…

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Q: Directions: Give the charge of the atoms. 1. 2. + + ++ ++ 3. + + + + ++

A: The number of protons and electrons in ions are given as,

Q: Does any element with ZS 92 match the description? If you checked yes, give the symbol of an element…

A: Periodic table is the arrangement of elements in a systematic way based on their physical and…

Q: Arrange the elements from most to least metallic character. Most metallic character Least metallic…

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Q: 689 Complete the table for the elements with atomic numbers 1-10. Round the atomic mass to the one's…

A: The list is shown below.

Q: What element has 6 electrons in its highest energy shell? Group of answer choices Magnesium Aluminum…

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Q: Rank the following elements in order of increasing atomic size: carbon, silicon, Florine

A: We have find out atomic size.