The figures below show the most common appearance of matter that we recognize. Recall that particles that make up matter behaves in a very specific way that gives the material its distinct property, such as a definite structure or taking the shape of its container. Can you guess which states of matter is being represented by the particle arrangements shown below? Defend your answer. This is most likely a: Because: twinkt.com Figure A twinkt.com Figure B twinkl.com Figure C

Which statement is FALSE? O A pure substance can be varied by changing the proportion of pure substances making it up A mixture can be separated into 2 or more substances by physical or mechanical means A pure substance had properties that are constant, no matter where you find it A pure substance has constant chemical composition A mixture's composition can be varied by changing the proportion of pure substances making it up

Explain your rationale for using the summative assessment (below) from the lesson plan on mixing substances in a 5th-grade classroom based on the below standard and learning objective, including how you will use student outcomes to inform future instructional decisions.  Summative Assessment  Summative: Components of the Lab Report Purpose: The student should clearly state the purpose of the experiment, which is to determine whether the mixing of two or more substances results in new substances. Procedure: The student should describe the steps they took to conduct the experiment. This includes the substances they chose to mix and the safety equipment they used. Observations: The student should record any observable changes that occurred when the substances were mixed. This could include a color change, the formation of a precipitate, or a change in temperature. Conclusion: The student should state whether a new substance was formed based on their observations. They should also…

tributi X Normal Distributi X ample Work rmat Tools Extensions Help locument/d/1KWoB0hrXolu7UEKbq4f8LBMHfpjHBRVU3qUzVI7K80U/edit Saved to Drive Normal text I 2022-2023 Mr. R X - I ▼ | Calibri 1 16 11. Which quantity is used to define 1 atomic mass unit? 3 100 Copy of Chern B x I UA 4 5 hp 4/27 - Unit 5.mp4 X particles. 12. How many molecules are there in 2 g of water (H₂O)? HINT: Molar mass of water is 18 g/mol Pathway: mass → moles → molecules E Did You Know? The word mole represents a specific number of objects, 6.022 × 10²¹ , just as the word dozen represents a specific number of objects, 12. The molar mass is the mass of a substance that contains 6.022 × 10²¹ DC Normal DE VE E 127 64°F Mos

The element rubidium consists of two isotopes, one having an isotopic mass of 84.912 and the other having an isotopic mass of 86.920.  Determine the percentage abundance of the lighter isotope.  Record your answer, to the correct number of significant figures, in the box below; do not include the units of your final answer.  Then show your numerical set-up(s) in the next question.

In the given depiction of a substance, each sphere represents a chlorine atom. = Cl What is the formula of this substance? chemical formula: What is the state of matter of this substance? solid liquid gas