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- 1. Multiple Choice
What are the three particles that make up all atoms?
protons, neutrons, and isotopes.
neutrons, isotopes, and electrons
positive, negative, and neutrals
Protons, neutrons, and electrons
- 2. Multiple Choice
What are found in the space surrounding the nucleus of an atom?
protons
electrons
neutrons
ions
- 3. Multiple Choice
If an atom contains 4 protons, 4 neutrons, and 4 electrons. What is its mass number?
4
8
2
16
- 4. Multiple Choice
What type of electrons form bonds?
Valence Electrons
Nucleus Electrons
Ionic Electrons
Covalent Electrons
- 5. Multiple Choice
Which two particles would you find in the nucleus of an atom?
Electrons and Ions
Electrons and Neutrons
Protons and Electrons
Protons and Neutrons
- 6. Multiple Choice
A pure substance made of the same type of atoms is called a(n)
atom
molecule
compound
element
- 7. Multiple Choice
The basic unit of all matter is called a(n)
atom
molecule
element
compound
- 8. Multiple Choice
A single water molecule is made up of __________________
one atom of hydrogen and one atom of oxygen
one atom of sodium and one atom of chlorine
one atom of hydrogen and two atoms of oxygen
two atoms of hydrogen and one atom of oxygen
- 9. Multiple Choice
Which of the following is true about a molecule of water?
The oxygen is slightly positive and the hydrogen is slightly negative.
The oxygen and hydrogen sides are both slightly positive.
The oxygen and hydrogen sides are both slightly negative.
The oxygen is slightly negative and the hydrogen is slightly positive.
- 10. Multiple Choice
What type of bond occurs between two different molecules due to polarity?
Covalent Bonds
Ionic Bonds
Hydrogen Bonds
Metallic Bonds
- 11. Multiple Choice
What property of water causes water molecules to attract to the sides of a graduated cylinder?
pH
cohesion
adhesion
heat capacity
- 12. Multiple Choice
Which property of water is important to the survival of aquatic organisms during the winter months?
cohesion
adhesion
water is less dense when frozen
capillary action and surface tension
- 13. Multiple Choice
The attraction between two molecules of the SAME substance is called ____________
cohesion
adhesion
capillary action
surface tension
- 14. Multiple Choice
The attraction between two molecules DIFFERENT substances is called ___________
cohesion
adhesion
capillary action
surface tension
- 15. Multiple Choice
The type of bond that results when electrons are transferred from one atom to another is called _______
an ionic bond
a covalent bond
a hydrogen bond
- 16. Multiple Choice
The type of bond that forms when electrons are shared between two atoms is called ____________
an ionic bond
a covalent bond
a hydrogen bond
- 17. Multiple Choice
In a neutral atom, the atomic number is also equal to which of the following?
The number of protons
The number of electrons
The number of protons and neutrons
The number of neutrons
The number of protons and electrons
- 18. Multiple Choice
The atomic mass number is equal to which of the following?
protons + neutrons
protons + electrons
electrons + neutrons
protons + neutrons + electrons
- 19. Multiple Choice
Which subatomic particle has a positive charge?
Protons
Neutrons
Electrons
Nucleus
- 20. Multiple Choice
Which subatomic particle has a negative charge?
Protons
Neutrons
Electrons
Nucleus
- 21. Multiple Choice
Which subatomic particle has a neutral charge.
Protons
Neutrons
Electrons
Nucleus
- 22. Multiple Choice
organicinorganic - 23. Multiple ChoiceOn the pH scale higher numbers indicateacidsbases
- 24. Multiple ChoiceA pH of 14 is a .....strong acidweak acidStrong baseWeak base
- 25. Multiple ChoiceA(n) ______ is a substance with a pH less than 7AcidAlkalineBaseBuffer
- 26. Multiple ChoicepH measures the presence or what kind of ions?SulfurOxygenNitrogenHydrogen
- 27. Multiple ChoiceA solution with a pH of 3.6 would be...AcidBaseNeutralAcid and Base
- 28. Multiple ChoiceA solution with a pH of 7.0 would be...AcidBaseNeutralAcid and Base
- 29. Multiple ChoiceA solution with a pH of 8.6 would be...AcidBaseNeutralAcid and Base
- 30. Multiple ChoiceHow do covalent bonds form?Donating & receiving valence e- between atoms.Opposite slight charges attract each other between compounds.Scientists are still not sure how they form.Sharing valence e- between atoms.
- 31. Multiple ChoiceWhich of the following describes covalent bonds?Bonds form because of opposite chargesBonds form to fill outer electron shellsElectrons are transferred between atomsCovalent bonds are magical
- 32. Multiple ChoiceNegative ions form when atoms ___________ valence electrons.gainlose
- 33. Multiple ChoiceWhat's an atom with an electric charge?electromagnetic forceelectronionneutron
- 34. Multiple ChoiceA compound that consists of positive and negative ions:an ionic compounda covalent compounda neutral compounda base compound
- Answer choicesTagsAnswer choicesTags