ATOMIC STRUCTURE
MOLECULAR SHAPE
NAMING & FORMULAS
Math
100
This subatomic particle has a positive charge and is found in the nucleus.
proton
100
This type of bond forms between a metal cation and a nonmetal anion.
ionic bond
100
What is the correct name for calcium chloride
CaCl2
100
What is the molar mass of NaOH
40g/mol
200
These two particles have approximately the same mass but different charges.
Protons and neutrons
200
This is the total number of valence electrons in NF₃
26
200
What is the correct name for CuSO₄
Copper(II) sulfate
200
How many moles are there in 15g of Lithium?
2.16 mol
300
An atom contains 6 protons, 5 electrons, and 6 neutrons. Describe the nucleus of this atom
The nucleus contains 6 positively charged particles and 6 neutral particles
300
Which type of bond or force is primarily responsible for the attraction between two neighboring water molecules
hydrogen bond
300
What is Al₂(SO₄)₃
Aluminum sulfate
300
What is the mass in g of 2.00 x 1023 molecules of F2?
12.62g
400
A scientist studies a specific element to determine the group to which it belongs. The scientist writes the ground state electron configuration of the atom as 1𝑠22𝑠22𝑝1 . Which element has similar chemical properties to this element?
a) Al
b) Zn
c) I
d) F
A
400
This is the correct molecular shape of CH₄.
tetrahedral
400
Write and balance the chemical equation:
Iron(III) chloride + Sodium hydroxide → Iron(III) hydroxide + Sodium chloride
F3Cl3 + 3NaOH --> Fe(OH)3 + 3NaCl
400
How many moles are in 4g of glucose?
0.022 mol
500
How many protons, neutrons, and electrons are in an atom of iron that has a mass of 86 amu (atomic mass units)?
26 protons, 60 neutrons, and 26 electrons
500
Draw the Lewis structure of CO₂
500
Write, predict the products of the equation, and balance the chemical equation:
Zinc + Hydrochloric acid --> ???
Zn + 2HCl --> ZnCl2 + H2
500
A naturally occurring element consists of three isotopes.
Isotope #1: 6.972 amu, 60.527%
Isotope #2: 8.961 amu, 39.473%
What is the average atomic mass of this naturally occurring element taking into account the percent abundances of the three isotopes
7.757 amu