U Tuy

question help please

4) Which statement is NOT true regarding natural vs. synthetic materials? A) An example of a natural material is sand. B) An example of a synthetic material is nylon. Synthetic materials are made from natural resources. D) Synthetic materials only have a negative impact on society. a 近

Please let me know which 2 answers are correct, an explanation including evidence

For each quantity in the table below, write the symbol of the SI unit in which it would usually be measured. quantity unit symbol The amount of radiation it takes to activate a polyethylene container (turn it radioactive). The totai dose of gamma radiation typically used to treat prostate cancers of a certain stage. The amount of radioactive fallout that contaminates a nuclear test site after the test of a 300 kiloton nuclear weapon. The radioactivity of a chunk of uranlum ore.

19/22 refers to a joint that is O (d) 19 mm long and 22 mm wide. O (a) 19 cm long and 22 cm wide. O (b) 19 cm wide and 22 cm long. O (c) 19 ft long and 22 ft wide. O(e) 19 mm wide and 22 mm long. Question 3 19/22 Z

Label as ionic compound or not ionic NaCI CO К20 MGF2 FeCl2 > > >

What branch of chemistry would study all other elements except carbon based materials? Explain.

Fill in the tables with the missing information

pnc.com/women O Dashboa x O Course E x 6 The Wavx E CP grou X M Docume X E 3- Qual x G If you ha X purse.html?courseld3D169856748OpenVellumHMAC=624ef941a8d10e711a39b3488025ef9a#10001 Complete the sentences to explain your choice. Match the words in the left column to the appropriate blanks in the sentences on the right. Reset Help nonmetal Lithium is a and sodium is a Lithium is in' group and main group metal sodium is in group transition metal Germanium is a and arsenic is a Germanium is in group metalloid and arsenic is in group 1A (1) Titanium is a and gallium is a 2A (2) Argon is a and bromine is a Argon is in group ,and 3A (13) bromine is in group 4A (14) 5A (15) Nitrogen is a and oxygen is a Nitrogen is in group and oxygen is in group 6A (16) 7A (17) 8A (18) P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy I Permissions | Contact Us | 88°F Mostly cloudy へ G0 トト "prt sc delete home 144 トII 10 num & 7 backspace lock 8 9.