Atomic Structure Questions

Clements
6.3 Groups of Elements
Lesson 6.3: True or False
Name
Class
Date
Determine if the following statements are true or false.
1. Hydrogen is an alkali metal.
2. Alkali metals are found only in compounds.
3. Some alkali metals can float on water,
4. Ca

Physics

Atomic Structure

Clements 6.3 Groups of Elements Lesson 6.3: True or False Name Class Date Determine if the following statements are true or false. 1. Hydrogen is an alkali metal. 2. Alkali metals are found only in compounds. 3. Some alkali metals can float on water, 4. Calcium is an alkali metal. F5. There is just one group of transition metals. 6. Many of the actinides do not occur in nature 7. Elements in the oxygen group have eight valence electrons. 8. Selenium is an alkaline Earth metal 9. The halogen group includes only gases. 10. Noble gases are found only in combination with other elements. Lesson 6.3: Critical Reading Name Class Date Read this passage from the text and answer the questions that follow. Groups Containing Metalloids Groups 13-16 all contain one or more metalloids. The groups are named for • Group 13 is called the boron group. The only metalloid in this grou are metals. All group 13 elements have three valence electrons and a Temperature • Group 14 is called the carbon group. Carbon (C) is a nonmetal. TH the final two are metals. All the elements in the carbon group have reactive. All are solids at room temperature. • Group 15 is called the nitrogen group. The first two elements in this by two metalloids and one metal. All the elements in the nitrogen vary in their reactivity. Nitrogen (N) in not reactive at all. Phosph fact, it is found naturally only in combination with other substanc The other group 15 elements are solids. • Group 16 is called the oxygen group. The first three elements in th by one metalloid and one metal. All the element in th

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