CYB Chemistry Test 1 Question Preview (ID: 35132)


1st Test. TEACHERS: click here for quick copy question ID numbers.

Atoms of the noble gases are generally inert because —
a) they are too large to react
b) they are not charged
c) they are neutral atoms
d) their outer electron levels are filled

Sulfur has a Lewis Dot Structure with 6 electrons. Which of the elements has the same Lewis structure?
a) Chlorine
b) Magnesium
c) Oxygen
d) Phosphorus

Which of these best describes sublimation?
a) A solid changing to a liquid phase
b) A solid changing to a gaseous phase
c) A gas filling the space in its container
d) A liquid taking the shape of its container

When compared to sulfur-32, sulfur-34 has more —
a) protons
b) neutrons
c) energy levels
d) bonding configurations

What are shared in covalent bonds?
a) Cations
b) Protons
c) Electrons
d) Anions

The pH scale in general use ranges from
a) 0 to 1
b) . -1 to 1
c) 0 to 7
d) 0 to 14

Across a period in the periodic table, atomic radii
a) gradually decrease.
b) gradually decrease, then sharply increase.
c) gradually increase
d) gradually increase, then sharply decrease.

Chlorine has atomic number 17 and mass number 35. It has
a) 17 protons, 17 electrons, and 18 neutrons.
b) 35 protons, 35 electrons, and 17 neutrons.
c) 17 protons, 17 electrons, and 52 neutrons.
d) 18 protons, 18 electrons, and 17 neutrons.

The chemical symbol for iron is _____.
a) fe
b) FE
c) Fe
d) Ir

Which of the following is a chemical change?
a) grating cheese
b) melting cheese
c) fermenting of cheese
d) mixing two cheeses in a bowl

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