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- 1. Multiple ChoiceMetalloids, such as silicon, can be found on the periodic table along the border between metals and nonmetals. Which of the following best describes the physical and chemical properties of metalloids?Metalloids have exactly the same physical and chemical properties as metallic elements.Metalloids have exactly the same physical and chemical properties as nonmetallic elements.Metalloids have physical and chemical properties that are completely different from both metals and nonmetals.Metalloids have some of the physical and chemical properties of both metals and nonmetals.
- 2. Multiple ChoiceWhich statement is true about the properties of the majority of the elements in the far left column of the periodic table?They have low heat conductivity.They have low electrical conductivity.They have no luster.They are highly reactive.
- 3. Multiple ChoiceHelium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which of the following is correct?Selenium (Se) is a colorless, odorless gas with low chemical reactivity.Xenon (Xe) is a colorless, odorless gas with low chemical reactivity.Carbon (C) is a colorless, odorless gas with low chemical reactivity.Chlorine (Cl) is a colorless, odorless gas with low chemical reactivity.
- 4. Multiple ChoiceBased on the periodic table, which of the following groups of elements should have very similar chemical properties?manganese (Mn), magnesium (Mg), molybdenum (Mo)lithium (Li), sodium (Na), potassium (K)potassium (K), aluminum (Al), neon (Ne)carbon (C), iodine (I), hydrogen (H)
- 5. Multiple ChoiceHow many valence electrons does carbon have?2468
- 6. Multiple ChoiceWhat is a "period" on the periodic table?all of the elements at the bottom of the chartthe elements along the "stairstep"a vertical rowa horizontal row
- 7. Multiple ChoiceWhich element shares the most characteristics with neon (Ne)?lithium (Li)argon (Ar)sodium (Na)fluorine (F)
- 8. Multiple ChoiceWhich of the following best describes a way in which the periodic table is organized?The is no system of organization in the periodic table.Elements are organized with nonmetals on the left and metals on the right.Elements are organized in alphabetical order.Elements are organized into groups with similar properties.
- 9. Multiple ChoiceWhich of the following elements is a nonreactive gas?hydrogen (H)carbon (C)oxygen (O)neon (Ne)
- 10. Multiple Choice
this is a covalent bondthis is a metallic bondthis is an ionic bondthis is a hydrogen bond - 11. Multiple Choicethis is a covalent bondthis is a metallic bondthis is an ionic bondthis is a hydrogen bond
- 12. Multiple ChoiceHydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?Hydrogen is an element made of two or more kinds of atoms.Hydrogen is a compound made of only one kind of atom.Hydrogen is a compound made of two or more kinds of atoms.Hydrogen is an element made of only one kind of atom.
- 13. Multiple ChoiceWhen a sample of rust was mixed with acid, the rust changed into two simpler substances: W and Z. The substances W and Z could not be broken down into simpler substances. Which statement is best supported by this evidence?Rust is an element that breaks into compounds.The substances W and Z are not made of atoms.The substances W and Z are compounds.Rust is a compound made of two elements.
- 14. Multiple ChoiceAtoms combine to form _______.electronsmoleculesnucleielement
- Answer choicesTagsAnswer choicesTags