if you can. If there is not enough element 1 2 3 description Element 1 is a hard dark-red solid. A 10. g cube of it is set on a hot plate. After 10 minutes, the temperature of the top of the cube has risen by less than 1 °C. Element 2 is a moderately soft silvery-gray solid. A 5 cm x 5 cm square of it, only 1 mm thick, is flexed slightly by hand. The sheet snaps in half. Element 3 is a moderately soft silvery-gray solid. A small cube of it is put into a ceramic crucible and heated strongly. It melts about not far above room temperature. metal or nonmetal? O metal O nonmetal O (can't decide) O metal nonmetal O (can't decide) O metal O nonmetal O (can't decide)

if you can. If there is not enough element 1 2 3 description Element 1 is a hard dark-red solid. A 10. g cube of it is set on a hot plate. After 10 minutes, the temperature of the top of the cube has risen by less than 1 °C. Element 2 is a moderately soft silvery-gray solid. A 5 cm x 5 cm square of it, only 1 mm thick, is flexed slightly by hand. The sheet snaps in half. Element 3 is a moderately soft silvery-gray solid. A small cube of it is put into a ceramic crucible and heated strongly. It melts about not far above room temperature. metal or nonmetal? O metal O nonmetal O (can't decide) O metal nonmetal O (can't decide) O metal O nonmetal O (can't decide)

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...

See similar textbooks

Similar questions

Given that dinitrogen tetroxide is a colorless gas while nitrogen diaxide is a brown gas, what color do you predict for the syringe filled with dinitrogen tetroxide placed in a liquid nitrogen tank? O Brown O Transparent O Light Brown O Dark brown
You are presented with a Glass #1 of white liquid, through which little or no light passes. Upon standing, it does not change. Glass # 2 contains a brown liquid, through which little or no light passes. Upon standing, a brown solid settles to the bottom of a clear liquid. Based on what we have learned, which best classifies the contents of the two glasses?
Comparing chemical formula of compound formed with oxygen: most similar to potassium least similar to potassium beryllium O O sulfur cesium OO strontium OO
Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a density of 12.66 g/cm3 and an atomic weight of 114.05 g/mol. NA= 6.022 x 1023 atoms/mol.
what is the physical state of element Pb? what is the physical appearance of element Pb? what is the color of element Pb?
As the atomic number of Group IA elements increases, does the reactivity of the elements increase or decrease? Suggest a reason for this trend based on the ionization energy simulation on the table. That is, what causes the reactivities to follow this order? Combination Initial Top Layer Color Final Top Layer Color Initial Halogen Final Halogen Reaction? (Yes or No) Cl2 + NaBr Clear yellowish orange Cl2 NaBr yes Cl2 + NaI Clear purple Cl2 NaI yes Br2 + NaCI Yellowish Orange yellowish orange Br2 Br2 no Br2 + NaI yellowish orange purple Br2 NaI yes I2 + NaCl purple purple I2 I2 no I2 + NaI purple purple I2 I2 no
Consider the following data for nickel: g 58.693 mol atomic mass electronegativity 1.91 kJ 112. mol electron affinity kJ 737.1 mol ionization energy kJ 17.2 mol heat of fusion You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? release absorb (1) Ni(g) + e → Ni (g) Can't be decided with the data given. Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? yes no If you answered yes to the previous question, enter the I kJ/mol amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? release absorb (2) Ni(g) → Ni (g) + e Can't be decided with the data given. yes Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? no If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): O kJ/mol
Arrange the following elements in order of decreasing innovation energy In, F, Si, N, Ga
Place the following elements in order of increasing atomic radius (from the lowest to the highest): As, Ba, Ca, N, P O As, Ba, Ca, N, P O Ba, Ca, N, As, P O N, P, As, Ca, Ba O P, Ca, As, Ba, N O Ba, Ca, As, P, N
(3a-104-17) Would you agree to buy 1.23 x 1021 platinum atoms for $17? Explain why or why not, showing all work. The current price of platinum is 30.71 dollars/gram.
why are noble gases so inert(unreactive)?
Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a density of 12.89 g/cm3 and an atomic weight of 100.28 g/mol. NA = 6.022 x 1023 atoms/mol.