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Atom of different elements can join together to from a new substance called a

Which is a property of a nonmetal? A. Poor conductor of electricity B. Solid at room temperature C. Shininess D. Good conductor of heat

1. КОН /Н2О L 2. H30* 1. l2, NaOH / H20 M 2. HСI

is stone a matter? why?

ii. Li NaOH H Heat

Fact, Law, Hypothesis, or Theory? __ An object less dense than the air flies up on its own. __ Atoms make and break chemical bonds by transferring or sharing their valence electrons to satisfy the octet rule. __ A firework is seen to burn with a green flame.

3. Which process can separate a mixture of finely powdered iron and wheat flour? A. distillation 3. B. filtration C. using a magnet D. sieving E. sublimation

Suppose that you heated the hydrated copper (II) sulphate in a test tube, instead of a beaker. How might this affect your results? 4 MAY 19 ... MacBook Pro & * %23 $ 2 3 4 5 6 7 E Y U G H J K C V M MOSISO command option command レー

O H 1. NaBH4 2. H₂O

What type of process is involved in going from elements to compounds and vice versa? Elements can combine to form compounds through _____chemical physical processes.   Compounds can decompose into elements through______chemical physical processes.

What is correct from multiple choice

_____ As2O5 + _____ H2O → _____ H3AsO4

4. How sizing down to Nano affect material properties?

Provide a short description of multiplicity and give an example of how it relates to someone life. 150 words minimum