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CHAPTER 4: PEOPLE ORGANIZER + ATOMS Flashcards | StudBud
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CHAPTER 4: PEOPLE ORGANIZER + ATOMS
CHAPTER 4: PEOPLE ORGANIZER + ATOMS
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1
He had many specific experiments JOHN
True
False
2
What did he call his theory JJ
Mud pudding
Melting pot
Plum pudding
Rice pudding
3
He was a chemist and a school teacher JOHN
True
False
4
He discovered the presence of _______________________ (Eugene)
Positively charged neutron
Positively charged particle
Negatively charged neutron
A negatively charged particle
5
ATOMS HAVE A NET CHARGE
False
True
6
What was his experiment (Ernest)
Alpha experiment
Beta experiment
Aluminum foil experiment
Gold foil experiment
7
His theory was the common atom picture Ernest
True
False
8
What was his hypothesis ROB
Matter can change
Mass of electron can be calculated
Oil is oily
Mass of electron can not be calculated
9
WHAT WAS HIS HYPOTHESIS? Democritus
PROTONS ARE REAL
ATOMS EXIST
NEUTRONS ARE NEGATIVE
ATOMS ARE NOT REAL
10
Equal (+) & (-) charges produce an electrically _______ particle
Negative
Dead
Positive
Neutral
11
What did he discover JJ
The electron is positively charged
The proton is positively charged
The electron is negatively charged
The proton is negatively charged
12
Charge on an electron mass of e- E=1/1840. ROB
True
False
13
WHAT WAS A PROBLEM WITH HIS EXPERIMENT? Democritus
HE HAD AN EXTREMELY LOW IQ
HE WAS A CHEMIST
LACKED SUPPORT OF THE SCIENTIFIC METHOD AND HE WAS A PHIOLOSOPHER
14
What were his theories( all are correct they all apply) JOHN
Reactions occur when atoms are joined,separated, rearranged
Elements are composed of indivisible particles called atoms
Atoms of the same element are identical. Atoms of different elements differ
Atomscan be physically mixed,chemically combined w/o number ratio
15
WHAT IS AN ATOM
SMALLEST PARTICLE OF AN ELEMENT
AN ATOM
IDK
LARGEST PARTICLE OF AN ELEMENT
16
He shot the foil with a beta particle Ernest
False
True
17
What was his theory? Democritus
Atoms are indivisible and indestructible
Atoms are easily destructible
Atoms do not exist
18
ELECTRIC CHARGES ALWAYS EXST IN WHOLE NUMBER MULTIPLES OF 1.602 times 10^-9
True
False
19
Was this his Hypothesis: Cathode Ray is made up of particles. JJ
True
False
20
He discovered the presence of the ________ Ernest
Neutron
Particle
Electron
Nucleus
21
He discovered the presence of a neutron (James)
True
False
22
ELECTRIC CHARGES ARE CARRIED BY PARTICLES OF MATTER
True
False
23
WHAT WERE THE RESULTS OF HIS EXPERIMENT (Democritus)
PEOPLE LOVED IT
HE WAS RIDICULED
NEVER SUPPORTED WITH EXPERIMENTAL DATA
