12-6-17 Get ready for Bellwork EMC Lab 12-6-17 Get ready for Bellwork.

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Presentation transcript:

12-6-17 Get ready for Bellwork EMC Lab 12-6-17 Get ready for Bellwork

1

2 How many neutrons does each boron atom contain, and what is Boron’s atomic number? a. Boron has 16 neutrons, and the atomic number is 5. b. Boron has 10.8 neutrons, and the atomic number is 15.8 c. Boron has 6 neutrons, and the atomic number is 5.

3 Which element from Period 2 has the lowest atomic mass? a. Li b. Ca c. Ne

4 A property that elements Fe, Co and Ni have in common is that they are all...? a. chemically inert. b. halogens. c. transition metals.

a. helium (He) b. argon (Ar) c. krypton (Kr) 5 Which shaded element shown above has the least amount of mass and the least amount of protons? a. helium (He) b. argon (Ar) c. krypton (Kr)

a. K and Ca b. H and Kn c. Ne and Xe 6 Based on their locations on the periodic table, which two elements share the most similar chemical properties? a. K and Ca b. H and Kn c. Ne and Xe

The circled elements share which characteristic? 7 The circled elements share which characteristic? a. They rarely form chemical bonds. b. They are alkali metals c. They are nonmetals d. They have the same number of electrons.

Mixtures

2 How many neutrons does each boron atom contain, and what is Boron’s atomic number? a. Boron has 16 neutrons, and the atomic number is 5. b. Boron has 10.8 neutrons, and the atomic number is 15.8 c. Boron has 6 neutrons, and the atomic number is 5.

3 Which element from Period 2 has the lowest atomic mass? a. Li b. Ca c. Ne

4 A property that elements Fe, Co and Ni have in common is that they are all...? a. chemically inert. b. halogens. c. transition metals.

a. helium (He) b. argon (Ar) c. krypton (Kr) 5 Which shaded element shown above has the least amount of mass and the least amount of protons? a. helium (He) b. argon (Ar) c. krypton (Kr)

a. K and Ca b. H and Kn c. Ne and Xe 6 Based on their locations on the periodic table, which two elements share the most similar chemical properties? a. K and Ca b. H and Kn c. Ne and Xe

The circled elements share which characteristic? 7 The circled elements share which characteristic? a. They rarely form chemical bonds. b. They are alkali metals c. They are nonmetals d. They have the same number of electrons.

I Can… Distinguish between an element, mixture, and compound TOC #33 EMC Lab