Two main-group elements are highlighted in the outline of the Periodic Table below: Y What can you say about these elements without knowing exactly which they are? Use that knowledge to answer the questions in the following table, if possible. Important: do not try to figure out exactly which elements are marked, and then use your knowledge of the properties of each specific element. You don't need to. You will also be marked wrong for any answer, correct or not, that can't be determined from the rough location of each marked element in the Periodic Table. The atoms of which element are more likely to be the cations in an ionic O Element X O Element Y X

Two main-group elements are highlighted in the outline of the Periodic Table below: Y What can you say about these elements without knowing exactly which they are? Use that knowledge to answer the questions in the following table, if possible. Important: do not try to figure out exactly which elements are marked, and then use your knowledge of the properties of each specific element. You don't need to. You will also be marked wrong for any answer, correct or not, that can't be determined from the rough location of each marked element in the Periodic Table. The atoms of which element are more likely to be the cations in an ionic O Element X O Element Y X

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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~ A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar System. Mass-spectroscopic analysis produced the follow data on the isotopes of tin in these samples: mass relative (amu) abundance 114 Sn 113.9 52.% 116 Sn 115.9 isotope esc Use these measurements to complete the entry for tin in the Periodic Table that would be used on 98765 ALEKS. Round your entry for the atomic mass to 3 significant digits. Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for tin in the Periodic Table we use here on Earth. Explanation ! 0 Sn 0 1 Q A ? N @ 48.% 2 X Check W S #3 X H 1 option command 5 80 E D $ 4 C 999 000 R FL or dº V T G MacBook Pro 6 > Y B & 7 H 7 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibilit U N ▶II * α 8 J - M ▶ 9 K O ) ? A . 1 command option
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1. Examine the statement “No two elements have the same line spectrum.” Explain why this can be used like a fingerprint to identify a substance.
MEASUREMENT AND MATTER Organization of the Periodic Table Read each description in the first column of the table below. If any chemical element with atomic number of 92 or less matches the description, check Yes and enter the chemical symbol of an element that matches. Otherwise check No in the second column. description An element in Period 1 and Group 8A. A metalloid in Group 4A. An alkali metal with a lower atomic number than nitrogen. A main-group element in Period 6. Does any element with Z≤ 92 match the description? Yes Yes Yes Yes No No O No No If you checked yes, give the symbol of an element with Z ≤ 92 that matches. X 0/5 Ś Sabrina
3 Complete the following table for the elements that are listed. If you have a full display of elements, check to see if your predictions are correct. Element Metal/Metalloid/ Prediction: Shiny/Dull Correct? Yes/No Nonmetal Chromium Shiny Yes Gold M Shiny Yes Lead M Shiny Yes Cadmium M Shiny Yes Silicon ML Shiny Yes C. The Atom Symbol of Element Name of Atomic Mass Protons Neutrons Electrons Element Number Number Iron 30 Aluminum 14 Potassium 20 Bromine 45 Gold 118
5. Use the internet to figure out which of the following METAL ELEMENTS is most likely the mystery METAL ELEMENT. Explain HOW you came to your conclusion! Zinc Magnesium Aluminum
Identify these elements based on their locations in the periodic table. Give the symbol, not the name. period 6, group 1 (1A) period 4, group 12 (2B) period 2, group 15 (5A)
16. Rutherford's experiment with gold estimated the radius of a gold atom to be approximately 1 x 10⁹ cm. Suppose the radius of the nucleus is the same as a basketball. Would the volume of the atom be bigger or smaller than that of a typical domed athletic stadium? Show a little math to support your answer.
The element zirconium has five naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. Show your work to determine the average atomic mass. Isotope Mass % Abundance Zr-90 89.9043 51.40 Zr-91 90.9053 11.20 Zr-92 91.9046 17.10 Zr-94 93.9061 17.50 Zr-96 95.9082 2.80
a. Most of the elements are solids at room temperature. Choose the example(s) of elements that are liquids near room temperature. (Select all that apply.) boron selenium gallium bromine Ozirconium Oberyllium b. Most of the elements are solids at room temperature. Choose the example(s) of elements that are gases at room temperature. (Select all that apply.) xenon fluorine Ohydrogen Onitrogen Omercury Oboron
In the table below, there are descriptions of an experiment on samples of three different chemical elements. Decide whether the element is a metal or nonmetal, if you can. If there is not enough information to decide, choose can't decide in the third column. element description metal or nonmetal? Element 1 is a hard silvery-gray solid. Wires are fastened to each side of a 2 cm slab of it, and an ordinary household 9 V battery is hooked up so that it can feed electricity through the slab to an LED. The LED glows brightly. metal 1 nonmetal (can't decide) Element 2 is a moderately soft silvery-gray solid. A 5 cm × 5 cm square of it, only 1 mm thick, is pressed into a dish-shaped mold under high pressure. When the press is lifted up, the sample has been crushed to a powder. metal 2 nonmetal (can't decide) metal Element 3 is a moderately soft silvery-gray solid. A 5 cm x 5 cm square of it, only 1 mm thick, is twisted using two pairs of pliers, giving it a slight curve. 3 nonmetal (can't…