Chem 105 Final

Predict the charge that an ion formed from sodium would have

+1

Give the possible values for ml for a d orbital

-2, -1, 0, 1, 2

For n=3 what are the possible sublevels

0,1,2

How many valence electrons do the alkali metals possess

1

Convert 10,000 cm^3 to m^3

1 X 10^2 (m^3)

Predict the charge of the most stable ion of chlorine

1-

What value of l is represented by a d orbital

2

How many different values of l are possible in the third principal level

3

Identify the number of electron groups around a molecule with a tetrahedral shape

4

How many significant figures are in the measurement 20.300m

5

How many valence electrons do the halogens possess

7

An alligator is 213.4 cm long. How long is he in feet

7.00 feet

How many valence electrons do the noble gases possess

8

When drawing out Lewis structures, how many electrons surround the most stable element?

8

What is the formula for calcium nitride

Ca_3N_2

For a given atom, identify the species that has the smallest radius

Cation

Place the following elements in order of increasing atomic radius: P, Ba, Cl

Cl < P < Ba

Place the following elements in order of decreasing electronegativity: S, F, Te

F > S > Te

Dalton's Atomic Theory states that

Matter is composed of small indestructible particles

Place the following in order of increasing atomic radius: As, O, Br

O < Br < As

A molecule containing a central atom wit sp^2 hybridization has a(n) ________________ electron geometry

Trigonal planar

A substance composed of two or more elements is a fixed, definite proportion is

a compound

Identify a cation

an atom that has lost an electron

Identify the correct values for a 2p sublevel n=? l=? ml=?

n=2 l=1 ml=0

What are the possible values of n and ml for an electron in a 5p orbital

n=5 and ml=1

The atomic number (Z) is the number of ______ found in the nucleus of an atom

protons

Identify the description of an atom

protons and neutrons in nucleus; electrons in orbitals