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- 1. Multiple ChoiceA ___________ is an arrangement of elements in columnscolumnsrowsperiodic tableelectron shell
- 2. Multiple ChoiceElements which are shiny, conduct electricity and heat are calledmetalnonmetalmetalloidnonexistent
- 3. Multiple Choice
What does the 1.00794 stand for?Hydrogenatomic numberatomic massatomic explosion - 4. Multiple ChoiceThe blue elements are calledmetalsnonmetalsmetalloidsnoble gases
- 5. Multiple ChoiceWhich of the following is not a property of metals?brittlemalleablelustrousconductive
- 6. Multiple ChoiceIf a material can easily be drawn into the shape of a wire, it isDuctileMagneticMalleableReactive
- 7. Multiple ChoiceAll the elements on the right side of the periodic table are called..MetalsMetalloidNonmetals
- 8. Multiple ChoiceMetalsNonmetalsMetalloids
- 9. Multiple ChoiceWhich section are the metals in?dark bluelight bluepurplepink
- 10. Multiple Choiceall matter is made of whatenergyatomselectronscompounds
- 11. Multiple ChoiceA molecule istwo or more atoms bonded togetherone type of atomsmaller than an atoman element
- 12. Multiple ChoiceElement is apure substancecompoundmixturemolecule
- 13. Multiple Choicewhich one only has one type of atom In it.Elementcompound
- 14. Multiple ChoiceIs salt (NaCI) a compound or a elementCompoundelement
- 15. Multiple ChoiceWhich of the following represents an element?H2OH2NaClCaCO3
- 16. Multiple ChoiceWhich of the following is not a compound?HClClNaClCO2
- 17. Multiple ChoiceTRUE OR FALSE:
Every compound is a molecule but not every molecule is a compound.TRUEFALSE - 18. Multiple Choice
This diagram represents...
An element
A molecule
A compound
A mixture of elements and compounds
- 19. Multiple Choice
A substance with two or more different types of atoms bonded together is called...
An element
An atom
A compound
A mixture
- 20. Multiple Choice
In this diagram, W represents...
An element
A molecule
A compound
A mixture
- 21. Multiple Choice
In this diagram, X represents...
A compound
A mixture
An atom
An element
- 22. Multiple ChoiceEvidence of a chemical reactions is anything that shows -a new substance has formeda solid dissolved in a liquidinteraction between 2 gasesa change in the state of matter
- 23. Multiple ChoiceOne of the signs of a chemical reaction taking place is:Bubbles are producedReactants are not combiningProducts are not formingColor is not changing
- 24. Multiple ChoiceWhich of the following describes a precipitate?a liquid forms when a block of metal is heateda solid forms when one liquid is poured into anothera gas forms when a solid is placed in a liquidbubbles form when an acid is poured on a rock
- 25. Multiple ChoiceWhich is NOT an indication of a chemical change?temperature changeformation of a precipitateshape changeproduction of light
- 26. Multiple ChoiceYou know you a chemical reaction has occurred ifthere is a precipitate.there is a color change.there is a temperature change.All of these answers are evidence.
- 27. Multiple ChoiceA clear liquid from a flask is poured into another clear liquid in a beaker. Which of the following results of this procedure would indicate a new substance was formed?The level of the substance in the beaker is higher after the other liquid is added.A yellow solid forms and then settles to the bottom of the beaker.Small white crystals are left behind in the flask that held the first liquid.The mass of the combined liquids is greater than either original liquid.
- 28. Multiple ChoiceA student places a piece of a potato into a container of hydrogen peroxide. One observation the student makes is that bubbles form around the potato. The presence of bubbles might indicate the formation of a new substance because bubbles -could show that a gas is forming.always rise to the top of a liquid.are almost always perfectly spherical.usually burst after a few minutes.
- Answer choicesTagsAnswer choicesTags