Chem 100 chapters 5-6

Polyatomic Ions

100

What is the name of this polyatomic ion: SO₄^2-

Sulfate

200

Ammonium and chloride would form what chemical formula? 

NH₄Cl

Ammonium chloride

300

What is the chemical formula for magnesium carbonate?

MgCO₃

400

What is the name of (NH₄)₃PO₃

Ammonium phosphate

500

What is the chemical formula for Ammonium Dihydrogen Phosphate?

NH₄H₂PO₄

Molecular compounds

100

What are the prefixes associated with the following numbers?

A) 5

B) 4

C) 8

A) Penta, B) Tetra, C) Octa

200

What is the chemical name of H₂O?

Dihydrogen monoxide

300

What is the difference between molecular compounds and ionic compounds?

Molecular compounds are made of two nonmetals and ionic compounds are made of a metal and a non-metal.

400

What is the chemical formula for Dicarbon trisulfide

C₂S₃

500

What is the name of CH₄

Carbon tetrahydride 

Atomic conversions

100

What is Avogadro's number?

6.022x10²³

200

How many functional units are in 2 moles of NaCl?

1.20 x 10²⁴ functional units

300

Which of these samples contains more atoms 

A) 1 gram of Bromine 

Atomic number: 35

Atomic mass: 80 

B) 1 gram of Boron

Atomic number: 5 

Atomic mass: 11 

C) 1 gram of Iron

Atomic number: 26 

Atomic mass: 56 

A) 1 gram of Boron

400

How many grams are in 2.0x10⁵ Carbon atoms?

Avogadro's number: 6.022x10²³ atoms

Atomic mass of Carbon: 12.01g/1 mol

3.98x10^-18 _g

500

A sample of Iron has a mass of 133.8g. How many moles of Iron atoms does it contain?

2.396 moles of Iron atoms

Ionic compounds

100

When writing chemical formulas for ionic compounds, the ______ is written first (left) and the _______ is written second (right).

Cation/metal ; anion/non-metal

200

What is the name for LiCl

Lithium Chloride

300

What is the chemical formula for Iron(III) Chloride?

FeCl₃

400

What is the name for this chemical formula: Al₂O₃

Aluminum oxide 

500

What is the formula for Chromium (II) Chlorate?

Cr(ClO₃)₃

Random

100

Are non-metal ions cations or anions?

Anions

200

What is the formula for a a chlorine molecule?

Cl₂

300

How many moles of water are present in a 44 gram sample? 

H: atomic number is 1, mass number is 1 

O: atomic number is 8, mass number is 16

5.5 moles of water

400

What is the molar mass of adrenaline (C₉H₁₃NO₃)?

C: 12 amu 

H: 1 amu 

N: 14 amu 

O: 16 amu 

183 grams/mole

500

How many grams of carbon are present in a 15 gram sample of adrenaline (C₉H₁₃NO₃)? 

Molar mass of adrenaline: 183 g/mol

8.85 grams