Ludwig Review #2 Question Preview (ID: 30021)


Ludwig Chem Review 2. TEACHERS: click here for quick copy question ID numbers.

The nuclides C-12 and C-14 are classified as
a) a) ions of the same element
b) b) isotopes of the same element
c) c) ions of- N-14 - 0-16
d) d) isotopes of- N-14 - 0-16

What is the maximum number of electrons that can be in the 3rd shell?
a) 2
b) 8
c) 18
d) 32

Which has the most entropy
a) S
b) L
c) G
d) d) element

The elements on the Periodic Table are arranged in order of increasing
a) mass number
b) atomic number
c) number of isotopes
d) number of valence electrons

NaCl + MgBr2 = NaBr + MgCl2
a) single replacement
b) double replacement
c) synthesis
d) 8

Which phrase describes the charge and mass of a neutron
a) no charge, no mass
b) no charge, mass of 1 amu
c) charge of + 1, mass of 1 amu
d) high pressure and high temperature

Which of the following is an empirical formula?
a) a) H2O2
b) b) N2O
c) c) C2H4
d) d) P4O10

What happens when electrons absobe energy?
a) a) Stay in the same energy level
b) b) Move to a lower energy level
c) c) Move randomly to a higher or a lower energy level
d) d) Move to a higher energy level

What occurs in both fusion and fission reactions?
a) a)small amounts of matter are converted into large amounts of energy
b) b) Subtract its atomic number from the mass number.
c) c) large amounts of energy. C) Heavy nuclei are split into lighter nuclei
d) d) Light nuclei are combined into heavier nuclei.

Compared to a chlorine atom, a chlorine ion -1 has
a) larger radius
b) smaller radius
c)
d)

The nucleus of an atom has what charge ?
a) positive
b) neutral
c) negative
d)

Compared to a sodium atom, a sodium ion has
a) c) larger radius
b) b) smaller radius
c)
d)

What is the electron configuration of a sulfur atom in excited state?
a) a) 2-4
b) b) 2-8-6
c) c) 2-8-4
d) d) 2-7-7

Isotopes of potassium-37 and an atom of potassium-42 differ in their total number of
a) a) electrons
b) b) protons
c) c) neutrons
d) d) positrons

The joule is a unit of
a) a) concentration
b) b) pressure
c) c) energy
d) d) volume

In the ground state, an atom of which element has two valence electrons?
a) Cr
b) Ca
c) Na
d) Se

Hydrocarbon are
a) made up of carbon only
b) made up of carbon and hydrogen only
c) made up of carbon ,hydrogen and oxygen only
d) Sodium can combine with chlorine to produce a salt.

What occurs when a catalyst is added to a chemical reaction?
a) the alternate reaction pathway with a higher activation energy
b) the same reaction pathway with a higher activation energy
c) the same reaction pathway with a lower activation energy
d) the alternate reaction pathway with a lower activation energy

The lower the temperature of a same of water
a) the lower the kinetic energy of the sample
b) the lower the potential energy of the sample
c) the higher the kinetic energy of the sample
d) the higher the potential energy of the sample

Which can not broken down ?
a) a compound
b) a mixture
c) an element
d)

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: 30021 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links