21.The smallest part of an element that keeps the same properties of that element. a. Element b. Compound c. Atom d. quark

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1 21.The smallest part of an element that keeps the same properties of that element a. Element b. Compound c. Atom d. quark

2 22.A substance made of 2 or more elements chemically combined a. Compound b. Mixture c. Solution d. Element

3 23. A pure substance that cannot be broken down into other substances a. Element b. Atom c. Compound d. Mixture

4 25.Which is an element and which is a compound? a.au b.mgo

5 26.To which area do these elements belong? Argon, nitrogen, oxygen, carbon, hydrogen a. Atmosphere b. Earth s crust c. Human Body d. Oceans

6 27.To which area do these elements belong Aluminum, calcium, hydrogen, iron, magnesium, oxygen, potassium, silicon, sodium, a. Atmosphere b. Earth s crust c. Human Body d. Oceans

7 d.oceans 28.To which area do these elements belong calcium, carbon, chlorine, fluorine, hydrogen, magnesium, oxygen, potassium, silicon, sodium, sulfur a. Atmosphere b.earth s crust c. Human body

8 d.oceans 29. To which area do these elements belong Calcium, carbon, chlorine, hydrogen, iodine, iron, magnesium, nitrogen, oxygen, phosphorus, potassium, sodium, sulfur, zinc a. Atmosphere b.earth s crust c. Human body

9 30. Anything that has mass and takes up space

10 32. Particle in the nucleus with a positive charge

11 33. Particle in the nucleus that is neutral

12 34. Particle that orbits the nucleus in different energy levels and has a negative charge

13 36. Elements that are shiny, ductile, malleable and conduct heat and electricity, found to the left side of the stairstep line

14 37. Another word for shiny used to describe metals

15 38. Able to be hammered into shapes

16 39. Able to be drawn into thin wire

17 40. Elements that are not shiny, not ductile, not malleable and don t conduct heat and electricity and are found to the right side of the stairstep line.

18 41. Elements touching either side of the stairstep line that have some characteristics of metals and some of nonmetals

19 43. The person who created the periodic table

20

21 21.The smallest part of an element that keeps the same properties of that element a. Element b.compound c. Atom d.quark

22 22.A substance made of 2 or more elements chemically combined a. Compound b.mixture c. Solution d.element

23 23. A pure substance that cannot be broken down into other substances a. Element b.atom c. Compound d.mixture

24 25. Which is an element and which is a compound? a.au - element b.mgo - compound

25 26.To which area do these elements belong? Argon, carbon, hydrogen, nitrogen, oxygen a. Atmosphere b. Earth s crust c. Human Body d. Oceans

26 27.To which area do these elements belong Aluminum, calcium, hydrogen, iron, magnesium, oxygen, potassium, silicon, sodium a. Atmosphere b. Earth s crust c. Human Body d. Oceans

27 d.oceans 28. To which area do these elements belong calcium, carbon, chlorine, fluorine, hydrogen, magnesium, oxygen, potassium, silicon, sodium, sulfur a. Atmosphere b.earth s crust c. Human body

28 d.oceans 29.To which area do these elements belong Calcium, carbon, chlorine, hydrogen, iodine, iron, magnesium, nitrogen, oxygen, phosphorus, potassium, sodium, sulfur, zinc a. Atmosphere b.earth s crust c. Human body

29 30.Anything that has mass and takes up space Matter

30 32. Particle in the nucleus with a positive charge Proton

31 33. Particle in the nucleus that is neutral Neutron

32 34. Particle that orbits the nucleus in different energy levels and has a negative charge Electron

33 36. Elements that are shiny, ductile, malleable and conduct heat and electricity, found to the left side of the stairstep line Metals

34 37. Another word for shiny used to describe metals Luster

35 38. Able to be hammered into shapes Malleable

36 39. Able to be drawn into thin wire Ductile

37 40. Elements that are not shiny, not ductile, not malleable and don t conduct heat and electricity and are found to the right side of the stairstep line Nonmetals

38 41. Elements touching either side of the stairstep line that have some characteristics of metals and some of nonmetals Metalloids

39 43. The person who created the periodic table Mendeleev

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