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- 1. Multiple ChoiceThe positive particles of an atom areelectronspositronsneutronsprotons
- 2. Multiple ChoiceTrue or False? Neutrons have a negative chargeTrueFalse
- 3. Multiple ChoiceA particle that moves around the nucleus is a(n)...ProtonNeutronElectronQuark
- 4. Multiple Choice
The symbol for Carbon is612.011CCa - 5. Multiple ChoiceWhat does the nucleus consist of?Protons + ElectronsNeutrons + ElectronsAtomsProtons + Neutrons
- 6. Multiple ChoiceWhat are the 3 subatomic particles that make-up the atom?protons, neutrons, and isotopesneutrons, isotopes, and electronspositives, negatives, and electronsprotons, neutrons, and electrons
- 7. Multiple ChoiceNa is the chemical symbol for which element?SodiumNitrogenNeon
- 8. Multiple ChoiceH is the chemical symbol for which element?HeliumHydrogenMercury
- 9. Multiple ChoiceN is the chemical symbol for which element?SodiumNitrogenNickel
- 10. Multiple ChoiceChanges in size and shape are examples of _____ changes in matter.PhysicalChemical
- 11. Multiple ChoiceTrue or false: Physical changes include changes in the state of matter.TrueFalse
- 12. Multiple ChoiceIs mowing the lawn a phyiscal or chemical change?physicalchemical
- 13. Multiple ChoiceOne type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in water, it forms gas bubbles. In this example, the formation of gasis a physical propertyoccurs when adding water to acidis a sign of a chemical changeoccurs wwhen the water boils
- 14. Multiple Choice
How many Nitrogen (N) atoms are in 4NH3?
4
1
3
12
- 15. Multiple Choice
How many Hydrogen (H) atoms are in 4NH3?
4
1
3
12
- 16. Multiple Choice
Which of the following is a chemical reaction?
Sodium and chlorine atoms bond to form salt molecules.
Ice melts to form water.
Carbon dioxide freezes to form dry ice.
Salt and water mix to form salt water.
- 17. Multiple Choice
How many different elements are in C6H12O6?
1
2
3
4
- 18. Multiple ChoiceHow many atoms of carbon (C) are in C6H12O6?361224
- 19. Multiple ChoiceElement or compound?
H2Oelementcompound - 20. Multiple Choice
Which of the following is NOT an indication of a chemical reaction?
new gas formed
temperature change
new smell detected
two liquids form a mixture
- Answer choicesTagsAnswer choicesTags