How many electrons are in a neutral ⁴¹Ca atom? A) 2 B) 20 C) 21 D) 41

Q: A certain element has two naturally occurring isotopes. The atomic mass of isotope 1 (81.7494 %…

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Q: Which is true? Select all that apply. A. All protons have the same charge B. Electrons and protons…

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Q: Activity 3- Fill in the Table Can you do it for carbon isotopes: carbon-12, carbon13 ai has an…

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Q: ☆回 G Add-ons Help Last edit was 4 minutes ago в I U A 三|ニ Calibri 11 Q4) consider the element Xy…

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Q: # of protons Element Atomic # of Mass number # of electrons symbol number neutrons 23 51 23 77 115…

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Q: How many proto Mass # of Protons Element Element Name Atomic Number # of Neutrons # of Electrons…

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Q: Naturally occurring zinc metal is composed of Zn-65 with an atomic mass of 65.008. and Zn-67 with an…

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Q: What is the average atomic mass of carbon if it naturally consists of 98.93% 126C  and 1.07%  136C?

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Q: Calculate the atomic weight of silver, which has two isotopes with the following properties:…

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Q: Section 5.4: ISotopes сорes 17. Can two different elements have the same atomic number? Explain.…

A: Yes two different elements can have the same ATOMIC NUMBER.

Q: Question 22 Antimony has 2 stable isotopes 121-Sb mass 122.9042 amu. Calculate the percent abund…

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Q: 16. Silver exists as two isotopes with atomic masses of  106.9041 and 108.9047 amu. Determine the…

A: 16. Given that, Silver exists as two isotopes with atomic masses of 106.9041 and 108.9047 amu. For…

Q: Clement Symbol Nuclear Atomic Mass Protons Neutrons Electrons Symbol Number Number 35 17 Cr 56 24 17…

A: Applying formula P=Z  A=Z+n

Q: A certain element has two naturally occurring isotopes. The atomic mass of isotope 1 (58.7461 %…

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Q: 12. The mass and % abundance for the four isotopes of chromium is given in the table below. Isotope…

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Q: ▼ 19 Express your answers as Integers separated by commas. Np, Nn, Ne= Submit Part D 15| ΑΣΦ…

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Q: Element Mg AI si Þ S CI Ar ATOMIC 12 13 14 15 17 18 Configuration

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Q: Boron (B; Z=5) has two naturally occurring isotopes. Find the percent abundances of 10B and ¹¹B…

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Q: Find the atomic weight Isotope Atomic mass (u) Natural Abundance (%) Li-6 6.02 7.5 Li-7 7.02 92.5

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Q: 22. All atoms of Tungsten have exactly protons

A: Number of protons in tungsten (W)

Q: Boron (B; Z = 5) has two naturally occurring isotopes. Find the percent abundances of 10B and 11B…

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Q: weight germani owing lable pre ... Isotope Abundance Mass 70 Ge 20.8% 69.9242 amu 72 Ge 27.5%…

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Q: Isotopic abundance (3 decimal places) No. of No. of Atomic A. Element Isotope neutrons mass (u)…

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Q: Which of these are isotopes of hydrogen? A) 12C and 13C B) 42K and 40K C) Li+ and He D) 3H and 2H…

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Q: Pb has an average atomic mass of 207.19 amu. The three major isotopes of Pb are Pb-206 (205.98 amu);…

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Q: Complete the table below, using the diagram of an atom shown at right. Properties of subatomic…

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Q: 19. Find the average atomic mass of the element with the following isotopes Isotope Percent…

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Q: 1. Table Completion: Supply the missing data in the table given below. atomic number, Z mass number,…

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Q: Practice %23 %23 Element Symbol Charge +, 0, - Protons Neutrons electrons Carbon-13 Hydrogen-2 1 Не…

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Q: 1. Consider a neutral atom, the atomic number is equal to (a) mass of neutron (b) number of proton…

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Q: The mass of one atom of an element is 3.21 x 10-22 g.  What is the atomic mass of this element in…

A: mass of one atom of an element = 3.21 x 10-22 g atomic mass of this element =?

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Q: Three isotopes of silicon occur in nature: silicon-28 (27.98 amu) is 92.21 %, silicon-29(28.98 amu)…

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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.