| 1. Which of the following would not be a halogen?
a. bromine
b. iodine
c. argon
d. chlorine
e. fluorine
2. Which of the following would be the correct formula for calcium nitride?
a. CaN
b. CaNO3
c. Ca3N2
d. Ca2N3
e. Ca2N2
3. Chorine would have how many protons?
a. 9
b. 17
c. 35
d. 36
e. none of the above
4. A neutral atom of sulfur would have how many electrons?
a. 8
b. 16
c. 32
d. 64
e. none of the above
5. Which of the following pairs of compounds can be used to illustrate the law of multiple proportions?
a. NaNO3 and NH4Cl
b. ZnO2 and ZnCl2
c. H2O and HCl
d. NO and NO2
e. CH4 and CO2
6. Which of the following would be the correct charge associated with the ionic form of magnesium?
a. -2
b. -1
c. 0
d. +1
e. +2
7. An ion with a change of +2 and a mass of 9.012 atomic mass units would most likely be which of the following?
a. lithium
b. beryllium
c. boron
d. fluorine
e. none of the above
8. Ernest Rutherford discovered which of the following?
a. neutrons
b. electrons
c. quarks
d. the nucleus of an atom
e. none of the above
9. Which of the following would not be an alkalai metal?
a. sodium
b. cesium
c. potassium
d. lithium
e. magnesium
10. Manganese can have oxidation states of +2, +4, and +7 Which of the following is not a possible compound or polyatomic ion of manganese?
a. MnO
b. MnO2
c. Mn3O2
d. MnCl2
e. MnO4-1
11. Which of the following is the correct formula for hypochlorous acid?
a. HClO
b. HClO2
c. HClO3
d. HClO4
e. HCl
12. Which of the following is not a possible compound?
a. aluminum phosphate
b. phosphorous sulfite
c. sodium nitrate
d. nitrogen monoxide
e. barium nitride
13. Which of the following would not be a gas at room temperature?
a. chlorine
b. fluorine
c. nitrogen
d. oxygen
e. boron
14. An atom of copper with a charge of -2 would have which of the following?
a. 29 protons, 31 electrons & 63 neutrons
b. 29 protons, 29 electrons & 63 neutrons
c. 29 protons, 31 electrons & 34 neutrons
d. 29 protons, 27 electrons & 34 neutrons
e. none of the above
15. Which of the following would not be a property associated with alkalai metals?
a. All ions of these metals have a charge of +2
b. All react with water
c. All react with hydrochloric acid
d. All would conduct electricity
e. All would produce base upon reacting with water
16. Which of the following is NOT a property of a metal?
a. malleability
b. ductility
c. reacts readily with other metals
d. conducts electricity
e. conducts heat
17. Which of the following individuals is credited with the discovery of the electron?
a. J.J. Thompson
b. Ernest Rutherford
c. Robert Boyle
d. Robert Milikan
e. none of the above
18. Which of the following is not the correct association of an element's symbol with its name?
a. Cs - cesium
b. Cr - chromium
c. Ca - calcium
d. Co - copper
e. Cd - cadmium
19. Which of the following pairs of compounds can be used to illustrate the law of multiple proportions?
a. HClO and HClO2
b. HClO2 and HClO3
c. HClO3 and HClO4
d. HClO4 and HClO
e. all can be used
20. Which of the following would be the correct charge associated with the ammonium ion?
a. -2
b. -1
c. 0
d. +1
e. +2
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