Chem 100 Lec: EXAM 1 PRACTICE

CHEM 100 LEC

Aluminum

AI

Antimony

Sb

Barium

Ba

Bromine

Br

Calcium

Ca

Carbon

C

Cesium

Cs

Chlorine

Cl

Cobalt

Co

Copper

Cu

Fluorine

F

Gold

Au

Hydrogen

H

Iodine

I

Iron

Fe

Lead

Pb

Lithium

Li

Magnesium

Mg

Mercury

Hg

Nickel

Ni

Nitrogen

N

Oxygen

O

Phosphorus

P

Potassium

K

Rubidium

Rb

Silicon

Si

Silver

Ag

Sodium

Na

Strontium

Sr

Sulfur

S

Tin

Sn

Zinc

Zn

AI

Aluminum

Sb

Antimony

Ba

Barium

Br

Bromine

Ca

Calcium

C

Carbon

Cs

Cesium

Cl

Chlorine

Co

Cobalt

Cu

Copper

F

Fluorine

Au

Gold

H

Hydrogen

I

Iodine

Fe

Iron

Pb

Lead

Li

Lithium

Mg

Magnesium

Hg

Mercury

Ni

Nickel

N

Nitrogen

O

Oxygen

P

Phosphorus

K

Potassium

Rb

Rubidium

Si

Silicon

Ag

Silver

Na

Sodium

Sr

Strontium

S

Sulfur

Sn

Tin

Zn

Zinc

What is the Smallest Unit to Largest Unit according to their Magnitude

Microliter

Milliliter

Centiliter

Deciliter

Liter

Kiloliter

What is the Definition of Specific Heat?

The amount of heat required to increase the temp of 1g of a substance by 1 °C

What are the Names for Diatomic Elements?

Bromine

Hydrogen

Iodine

Fluorine

Nitrogen

Oxygen

Chloride

What are the Chemical Formulas for Diatomic Elements?

Br2

H2

I2

F2

N2

O2

Cl2

Would the properties change when a solid like dry ice is transformed to gas?

The Mass is

Same

Would the properties change when a solid like dry ice is transformed to gas?

The Composition is

Same

Would the properties change when a solid like dry ice is transformed to gas?

The Density is

Changes/Different

Would the properties change when a solid like dry ice is transformed to gas?

The Physical State is

Changes/Different

Is N2 an Element or a Compound?

Element

Is CO2 an Element or a Compound?

Compound

Is O2 an Element or a Compound?

Element

Is He an Element or a Compound?

Element

Is NO2 an Element or a Compound?

Compound

When you have Dissolved a Small Amount of Sugar in Water, you have prepared What?

A Mixture

Is Sugar Dissolved in Water Homogeneous or Heterogeneous?

Homogeneous

Atomic Mass

The Kinetic Energy of the Particles Increases as the Temperature blanks

Increases

True or False: The pressure exerted on the inner wall of a vessel containing a sample of gas is due to the collisions of the gas particles with the inner wall

True

True or False: H3PO4 is a molecule of a compound

True

True or False: H3PO4 is a homogeneous mixture

False

True or False: H3PO4 is a heterogeneous mixture

False

True or False: H3PO4 is an element

False

True or False: H3PO4 is a compound

True

True or False: A compound is a pure substance made of elements which are combined chemically

True

True or False: A compound is a pure substance that can be decomposed into components (That is, into simpler substances) by chemical means only

True

True or False: A compound is a pure substance that can be decomposed into components (That is, into simpler substances) by physical means only

False

When Heat is Added to a Mixture of Ice and Water at 0 °C, we expect the Temperature of the Mixture to:/ Explain your Answer

Remain the same. Heat is used to break the bonds (Energy) between the particles in ice. The temperature will increase only after all the ice has melted.

True or False: Compounds cannot be decomposed into simpler substances

False

True or False: Compounds can be decomposed by physical means into simpler substances

False

True or False: Compounds can be decomposed into simpler substances by chemical means

True

True or False: Mixtures cannot be decomposed into simpler substances

True or False: Mixtures can be decomposed by physical means into simpler substances

Energy due to Position or Composition is Called

Potential Energy

Energy due to Motion is Called

Kinetic Energy

Give the Names of Any Transition Elements (Name Three)

• Scandium

• Titanium

• Vanadium

• Chromium

• Manganese

• Iron

• Cobalt

• Nickel

• Copper

• Zinc

• Yttrium

• Zirconium

• Niobium

• Molybdenum

• Technetium

• Ruthenium

• Rhodium

• Palladium

• Silver

• Cadmium

• Hafnium

• Tantalum

• Tungsten

• Rhenium

• Osmium

• Iridium

• Platinum

• Gold

• Mercury

Give the Chemical Symbols of any Transition Elements (Name Three)

• Sc

• Ti

• V

• Cr

• Mn

• Fe

• Co

• Ni

• Cu

• Zn

• Y

• Zr

• Nb

• Mo

• Tc

• Ru

• Rh

• Pd

• Ag

• Cd

• Hf

• Ta

• W

• Re

• Os

• Ir

• Pt

• Au

• Hg

Atomic Number