SGO Review Question Preview (ID: 42061)


SGO Review. TEACHERS: click here for quick copy question ID numbers.

During a flame test, ions of a specific metal are heated in the flame of a gas burner. A characteristic color of light is emitted by these ions in the flame when the electrons ____.
a) gain energy as they return to lower energy levels
b) gain energy as they return to higher energy levels
c) emit energy as they return to lower energy levels
d) emit energy as they return to higher energy levels

What is the formula for Calcium chromate?
a) Ca(CrO4)4
b) Ca2(CrO4)2
c) CaCrO4
d) Ca(CrO4)2

What is the percentage composition by mass of ammonium sulfide, (NH4)2S?
a) N: 41.1%, H: 11.8%, S: 47.1%
b) N: 28.02%, H: 8.08%, S: 32.06%
c) N: 14.01%, H: 1.01%, S: 32.06%
d) N: 29.8%, H: 2.15%, S: 68.1%

Consider the element with the electron configuration Kr 5s24d7. This element is a/an ____.
a) Nobel Gas
b) Alkali Metal
c) Transition Metal
d) Halogen

Which of the following ordered pairs of elements shows an increase in atomic number but a decrease in average atomic mass?
a) Ag to Pd
b) Co to Ni
c) Ge to Sn
d) Cr to Mo

An atom is electrically neutral because
a) nuclear forces stabilize the charges.
b) neutrons balance the protons and electrons.
c) the numbers of protons and electrons are equal.
d) the numbers of protons and neutrons are equal.

What is the molar mass of CoBr3
a) 299 g/mol
b) 139
c) 80
d) 250

Neon-22 contains 12 neutrons. It has how many protons?
a) 22 protons
b) 12 protons
c) 10 protons
d) 11 protons

Which substance can be broken down by chemical means?
a) Calcium
b) Lithium
c) Sulfur
d) Lithium Bromide

What is the charge of Calcium ion in Ca
a) +1
b) +2
c) +3
d) -2

Which of the following has 5 valence electrons
a) V
b) P
c) O
d) B

How many moles are in 45.0 grams of Argon
a) 1800 moles
b) .89 moles
c) 1.125 moles
d) 40 moles

What coefficients correctly balance the formula equation, C3H8 + O2 → CO2 + H2O?
a) 1,5,3,4
b) 1,3,4,5
c) 2,10,8,6
d) 1,5,4,3

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 42061 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links