Matter has ____________ and ______________.

1. All ______________ is made of _____________.

2. Mass is a _________________ of the amount of ____________.

Mass- How to measure?

Weight-

How to measure?

mass volume

matteratoms

measurematter

triple-beam balance

spring scale

States of Matter-Define and give molecular example of each.

Solid Liquid Gas Plasma

Matter with no definite volume and no definite shape.

Match the correct term to it’s picture. Find the picture and write it’s term near it.

Triple-Beam BalanceMass

milliliter volume

Graduated cylinder

gram

meterlength

Meter stick

densityg/ml

beaker

Matter is Made of Atoms-Write definitions for each.

ATOMS

COMPOUNDS

MIXTURES

MOLECULES

Can it be separated by physical means?

yes no

MATTER

Homogeneous Mixture

(solution)

Heterogeneous Mixture Compound Element

MIXTURE PURE SUBSTANCE

Can it be decomposed by chemical means?

noyesIs the composition uniform?

noyes

ATOMS

pr

Are made of

Have a central

Which contains Around which orbit

Protons, neutrons, electrons

nucleus

Protons & neutrons

electrons

• Label each example of a heterogeneous and homogeneous mixture. Write a definition for each.

#1 #2

#3 #4Si H

Li Al

Name each element.

5. What period and family is the smiley face in?6. What type of element is the sun shape?7. What group/family is the heart in?

Complete these statements. Write the statements and fill in the blanks.

8. An atom that gains one or more electrons will have a ____________________ charge.

9. An atom that loses one or more electrons will have a ____________________ charge.

10. An atom that gains or loses one or more electrons is called an ____________.

Entry Task:

What element is this?How many valence electrons does it have? What column would it be in?What is it’s atomic number? How many protons does it have?

Define density and list the tools used to measure it.

Define the terms and give two examples of each:•Physical Property•Chemical Property

The amount of mass in a given volume.

Mass divided by volume

Mass/volume = g/ml g/cm3

Triple beam balanceGraduated cylinderruler

Describes a substance

Describes how a substance can change into another substance.

1. Compounds have different properties from those of the .….

2. Different compounds can be composed of…

a.The same elements in the same ratiosb.The same elements in different ratiosc.Only one elementd.No more than two elements

• Look up Conservation of Mass or Law of Conservation of Mass in the textbook.

• Write the definition.

DEMO

NaHCO3 + CH3COOH = H2O + CO2 + CH3COONa

What is an isotope? Answer in complete sentences.

An isotope is a form of an element with more or less than the common number of neutrons.

Which of the following is an isotope for Uranium 92 with a mass of 238 .029? An element with

a. 92 protons and 146 neutronsb. 93 protons and 146 neutronsc. 92 protons and 135 neutronsd. 146 protons and 92 neutrons

• Copy the chart into your lab book

Pure Substance Mixture

HomogeneousHeterogeneous

Can be physically separated

Cannot be easily separated

Elements or compounds

BothCome fromatoms

A chemical bond formed when two atoms share electrons is called a(n)a. ionic bond.b. covalent bond.c. polyatomic bond.d. crystal bond.

What is the greatest number of valence electrons an atom can have?a. 2b. 3c. 8d. 12

A row across the periodic table is called aa. group.b. family.c. section.d. period.

Which parts of the atom move around the nucleus?a. atomic mass unitsb. electronsc. protonsd. neutrons

A solid is a state of matter that has a(n)a. indefinite volume and an indefinite shape.b. definite volume and a definite shape.c. definite volume and an indefinite shape.d. indefinite volume and a definite shape.

An uncovered pot of soup is simmering on a stove, and there are water droplets on the wall above the back of the stove. What sequence can you infer has occurred?a. melting, then boilingb. freezing, then thawingc. evaporation, then condensationd. condensation, then vaporization

Data plotted on a graph results in a line that slopes upward from left to right. This graph tells you thata. when one variable increases, the other variable increases.b. when one variable increases, the other variable decreases.c. when one variable increases, the other variable remains the same.d. both variables are decreasing.

Copper, oxygen, and helium are examples of ____________________.elements

In stars, matter exists in the ____________________ state, which is a gas-like mixture of free electrons and atoms stripped of their electrons.

This type of bond is formed when a negative ion is attracted to a positive ion. Bond formed when electrons are transferred.

How many atoms of a Group 17 element would be needed to react with one atom of a Group 2 element? Explain.

2

17

plasma

Ionic Bond

2

Atoms of Some Common ElementsElement Atomic Number Mass Number Protons Neutrons ElectronsSodium 11 ? 11 12 ?Magnesium 12 24 12 ? 12Aluminum ? 27 13 14 13Phosphorus 15 31 ? 16 15

How many protons are in an atom of phosphorus?

Explain the difference between an ionic and a covalent bond. Use the terms: electronstransferredsharedbond molecule crystal structure

15

•Ionic bonds transfer electrons and make crystal structures.•Covalent bonds share their electrons and tend to make molecules.

Explain the difference between an ionic and a covalent bond.

Use the terms: • Ionic • covalent• electrons• Transferred• Compound• Metal• Non-metal • shared• bond • molecule • crystal structure

•Ionic bonds transfer electrons and make crystal structures. These are compounds made between metals and non-metals.

•Covalent bonds share their electrons and tend to make molecules. These are made between non-metals.

Name the following substances as either pure, homogeneous or heterogeneous.

heterogeneous

homogeneous

pure

heterogeneous

purehomogeneous

Changing An Atom

  

Changing An Atom

  

Changing An Atom

  

Changing An Atom

New element

ion

molecule

isotope

Atomic # Atomic Mass # of Protons # of Neutrons # of Electrons

9 18.998

Atomic # Atomic Mass # of Protons # of Neutrons # of Electrons

131.29 54

Copy the charts and fill in the missing information. YOU CANNOT USE THE TEXTBOOK

F r e e z i n g process of a liquid changing into a gas

M e l ti n g process of a solid changing into a gas without going through the liquid phase

E v a p o r a ti o n process of a liquid changing into a solid

C o n d e n s a ti o n process of a solid changing into a liquid

S u b l i m a ti o n process of a gas changing into a liquid

Match the term to it’s definition.

IONS

GAIN-NEGATIVE LOSE+POSITIVE

If the atom gains electrons it willhave more electrons than protons.

It will have a negative charge.

If the atom loses electrons it willhave more protons than electrons.

It will have a positive charge.

Ionic Bonds-Transfer

• Ionic bonds transfer electrons.

• The metal element becomes a positive ion.

• The non-metal element becomes a negative ion.

I T

Covalent Bonds-Share

• Covalent bonds share electrons.

C S

Energy

Endothermic• Energy in• Reactants

Photosynthesis6CO2 + 6H2O + energy C6H12O6 + 6O2

• Drop in temperature

Exothermic• Energy exits• Products

C6H12O6 + 6O2 6CO2 + 6H2O +

energy

• Rise in temperature

Chemical ReactionsSynthesis Decomposition Combustion Replacement

Combine

A + B AB

Making salt

Sodium combining with chlorine

Na + Cl NaCl

Break Down

AB A + B

Breaking down water

2H2O 2H2 + O2

Oxygen

Boom!!!

C12H22O11 + 12 O2

12 CO2 + 11 H2O

Switch

AC + DB AD + CB

CaCl2 + 2 AgNO3 2 AgCl + Ca(NO3)2

pH

Acids• Turn litmus red• Taste sour• Burning sensation• 0-6

Bases• Turn litmus blue• Taste bitter• Soapy/slippery• 8-14

7= Neutral