fun in b208! test review chapter 4. democritus thought that matter was made of tiny particles a....

Fun in B208! Test review Chapter 4

Upload: ralph-simon

Post on 11-Jan-2016

217 views

Category:

Documents

0 download

Report

Download

Embed Size (px):

TRANSCRIPT

Fun in B208!

Test review Chapter 4

Democritus thought that matter was made of tiny particles

a. of earth, air, fire, and water.b. that could not be divided. c. that could be divided.d. that were all round and smooth.

Which of the following is NOT part of John Dalton’s atomic theory?

a. All elements are composed of atoms.b. All atoms of the same element have the

same mass.c. Atoms contain subatomic particles.d. A compound contains atoms of more

than one element.

Page 4: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

John Dalton’s model of the atom states

a. a tiny, solid sphere with an unpredictable mass for a given element

b. a hollow sphere with a dense nucleusc. a tiny, solid sphere with predictable

mass for a given elementd. a sphere that is hollow throughout

Page 5: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

J.J. Thomson’s experiments proved that an atom

a. is the smallest particle of matter.b. has a negative charge.c. contains negatively charged particles.d. has a positive charge.

Page 6: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

In Rutherfords experiment, what caused some of the alpha particles to bounce straight back from the gold foil?a. electrons in the gold atomsb. other alpha particlesc. negative charges in the gold atomsd. nuclei in the gold atoms

Page 7: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

In Niels Bohr’s model of the atom, electrons move

a. like balls rolling down a hill.b. like popcorn in a popcorn popper.c. like planets orbiting the sun.d. like beach balls on water waves.

Page 8: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

Bohr’s model has _______ move in fixed orbits around the nucleus.

A. neutronsB. electronsC. protonsD. atomic mass number

Page 9: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

Which subatomic particle has a negative charge?

a. electronb. neutronc. alpha particled. proton

Page 10: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

Which statement about subatomic particles is true?

a. Protons, neutrons, and electrons all have about the same mass.

b. Unlike protons or neutrons, electrons have no mass.

c. Neutrons have no charge and no mass.d. An electron has far less mass than either

a proton or neutron.

Page 11: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

Which of the following is unique for any given element?

a. the number of neutronsb. the number of protonsc. the charge on the electronsd. the mass of a neutron

Page 12: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

The number of protons in one atom of an element is that element’s

a. mass number.b. atomic number.c. balanced charge.d. isotope.

Page 13: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

To find the number of neutrons in an atom, you would subtract

a. mass number from atomic number.b. atomic number from electron number.c. atomic number from mass number.d. isotope number from atomic number.

Page 14: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

The nuclei of isotopes contain different numbers of _________.

A. neutronsB. electronsC. protonsD. atomic mass number

Page 15: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

The atomic number refers to the number of _____ in an atom.

A. neutronsB. electronsC. protonsD. atomic mass number

Page 16: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

The atomic mass refers to the number of _____&_____ .

A. neutronsB. electronsC. protonsD. atomic mass number

Page 17: Fun in B208! Test review Chapter 4. Democritus thought that matter was made of tiny particles a. of earth, air, fire, and water. b. that could not

Complete the table.

Protons Neutrons Electrons

Sodium - 24

Lithium - 7

Aluminum - 27

11 13 113 4 3

13 14 13

Velázquez’s Democritus Global Disillusion and the Critical ...javierberzal.com/wp-content/uploads/2017/02/Democritus-Berzal-de-… · Velázquez’s Democritus: Global Disillusion

Democritus and Secondary Qualities

Chapter 2 Notes Atomic Structure. Atoms Democritus – Ancient Greek Science dude, 1 st proposed the idea of atoms, tiny indivisible particles Atomos –

Democritus University of Thrace · 2010-10-06 · Democritus University of Thrace ... 2†-# ˚@

Atomic Structure Timeline Read Around the Room. Democritus (400 B.C.) Proposed that matter was composed of tiny indivisible particles Not based on experimental

What is matter ? Democritus ((& Leucippus)) ~ 400 BC Early philosophers thought that the material world must be made up of tiny indivisible particles called

ATOMIC STRUCTUREmissclarkswebsite.weebly.com/.../5038779/ppt_unit_3_-_atomic_stru… · Atomic Structure •Democritus (a Greek Professor) •First suggested the existence of tiny

Atoms, Molecules, and Ions. The Atomic Theory The Greek Philosopher Democritus expressed the belief that all matter consists of tiny, indivisible particles

Electrons in Atoms. Democritus (400 B.C.) Proposed that matter was composed of tiny indivisible particles Not based on experimental data Greek: atomos

History of the Atomic Model Democritus (400 BC) Democritus (400 BC)

Part I. Leucippus and Democritus (460 to 370 BC) – believed that all matter was made up of tiny particles called atoms. Aristotle (384 to 322 BC) – believed

1. 2 Early Thoughts 3 Democritus (about 470-370 B.C.) thought that all forms of matter were made of tiny particles called “atoms” from the Greek “atomos”

xtremestudies.comxtremestudies.com/.../uploads/2021/01/3-Atomic-Structure.pdf2021/01/03 · ATOM: "A tiny particleofan element is called atQD1. The Greek Philosopher Democritus gave

Atoms and the Periodic Table The Atom Ch. 4. Democritus (400 BC) Greek philosopher. All things are composed of tiny, indivisible particles: called: Atomos

HISTORY OF THE ATOM. DEMOCRITUS – 400B.C. A.He believed matter was made up of empty space and tiny particles he called “atomos” B.Said different things

Democritus (460-370 B.C.)

Democritus (460-370 B.C)

P. Sci. Unit 8 Chapter 4 Atoms. Atomic Structure timeline Ancient Greece - Democritus proposed the atom a tiny solid particle that could not be subdivided

B208 ELTRP Jarvis Report AW

NOTES 4 – Atomic Structure. The Idea of the Atom Democritus (~400 BC) Democritus (~400 BC) Greek philosopherGreek philosopher “All matter is made of tiny,

Pavlos Mihas Democritus University

1. The ancient Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided? a) Element b) Electron c) Atom d) Molecule

Chapter 4 – The Atom Evolution of the Atomic Model Democritus (400 bc) First to conceptualize the atom. He thought that matter was composed of tiny particles

History of the Atom. Democritus (400 BC) Proposed that matter was composed of tiny, invisible particles. Gr. atomos

ATOMS, MOLECULES AND IONShaydukscience.weebly.com/uploads/2/0/9/7/20974360/... · Democritus theorized that matter was built of ‘tiny indivisible particles’called atomos but this

B208 Access & Constraints

The Greek philosophers, Leucipus and Democritus, suggested that everything, including us, was made of tiny indivisible particles - called atoms a = not

Concept of the Atom Democritus 400 B.C.E., Greece Democritus

Atomic Theory. Democritus – 460 – 370 BC Matter consisted of tiny particles “atomos” Ideas were wrong

Atomic Structure. Democritus and Aristotle ◦ Democritus thought all matter consisted of extremely tiny particles that could not be divided. (Cut aluminum

Curriculum Night 2015 Mrs. Dickson B208 Welcome Parents!

Democritus and the Cynics.pdf

Particles and Waves. Early Atom Models Democritus (2500 years ago)—tiny indivisible particles, atmos Dalton (1803) Each element composed of extremely

Ancient Greece Aristotle: “All matter is made of 4 elements; earth, air, fire and water” Democritus:. “All matter is made of tiny, unbreakable particles;

Atomic Theory Date. Democritus Date 460-370 B.C. Democritus was a philosopher; did no research He thought that everything was made up of tiny round things