Mass of an Atom Vs Volume of an Atom

The nucleus has most of the atoms mass. The e- occupies most of the volume.

What is the law of Definite Proportions

a given compound always contains the same proportion of elements by mass

How did Aristotle contribute to the Atomic Theory?

Matter is made of 5 elements. Fire, Water, Earth, Air, and Either

How did Rutherford contribute to the Atomic Theory?

found the proton. made the nuclear model in which a nucleus exists. #p = #e

What is the equation used to find the number of Electrons in a ion?

#Electrons = #Protons - (Charge)

How did Dalton contribute to the Atomic Theory?

Each element has different types of atoms which are small and invisible.

How did Bohr contribute to the Atomic Theory?

planetary model where e- revolve about the nucleus. "constant energy."

What is the definition of Atomic Theory

a theory that states all matter is composed of tiny particles called atoms.

How did Chadwick contribute to the Atomic Theory?

found the neutron (n). proposed that the nucleus was composed of n and p+.

How did Milikan contribute to the Atomic Theory?

Determined the charge of an e- using the oil drop experiment

How did Thomson contribute to the Atomic Theory?

created the plum pudding theory after discovering electrons.

How did Schrodinger contribute to the Atomic Theory?

model allowed the electron to occupy three-dimensional space. 3 quantum #'s

What is the equation used to find the number of Neutrons in an atom

Atomic Mass Number - Proton Number

What is the Law of Conservation of Matter

Matter is not created nor destroyed in any chemical or physical change

What is the Law of Multiple Proportions

the weight of a elemnt that combine with a weight of another are in a ratio

How did Democritus contribute to the Atomic Theory?

all matter is made of tiny units called atoms. particles without internals.

How can you find an elements average atomic mass?

On the periodic table, typically under the element

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Unit 2- The Atom

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Questions 23

Answers

1
Mass of an Atom Vs Volume of an Atom
The e- has most of the atoms mass. The nucleus occupies most of the volume.
The nucleus has most of the atoms mass. The e- occupies most of the volume.
The p+ has most of the atoms mass. The nucleus occupies most of the volume.
The e- has most of the atoms mass. The protons occupie most of the volume.
2
What is the equation to find the number of Protons in an atom?
Proton Number or Atomic Number
Proton Number x Atomic Number
Proton Number - Atomic Number
Proton Number / Atomic Number
3
What is the law of Definite Proportions
I don’t know, baking maybe…
a given compound always contains the same proportion of elements by mass
Matter is not created nor destroyed in any chemical or physical change
the weight of a elemnt that combine with a weight of another are in a ratio
4
How did Aristotle contribute to the Atomic Theory?
found the proton. made the nuclear model in which a nucleus exists. #p = #e
all matter is made of tiny units called atoms. particles without internals.
planetary model where e- revolve about the nucleus. "constant energy."
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
5
What is the equation used to find the number of Electrons in a neutral atom?
#Electrons = #Neutrons
#Electrons = #Protons / 2
#Electrons = #Protons
#Electrons = #Protons x 2
6
What is the Relative mass and Charge of a proton
+1, 1
1, +1
+2, 1
1, +2
7
How did Rutherford contribute to the Atomic Theory?
found the neutron (n). proposed that the nucleus was composed of n and p+.
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
model allowed the electron to occupy three-dimensional space. 3 quantum #'s
found the proton. made the nuclear model in which a nucleus exists. #p = #e
8
What is the equation used to find the number of Electrons in a ion?
#Electrons = #Protons / (Charge)
#Electrons = #Protons x (Charge)
#Electrons = #Protons + (Charge)
#Electrons = #Protons - (Charge)
9
How did Dalton contribute to the Atomic Theory?
found the neutron (n). proposed that the nucleus was composed of n and p+.
model allowed the electron to occupy three-dimensional space. 3 quantum #'s
Each element has different types of atoms which are small and invisible.
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
10
What is the Relative mass and Charge of a neutron
1, 2
2, 1
3, 1
1, 1
11
How did Bohr contribute to the Atomic Theory?
planetary model where e- revolve about the nucleus. "constant energy."
model allowed the electron to occupy three-dimensional space. 3 quantum #'s
all matter is made of tiny units called atoms. particles without internals.
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
12
What is the definition of Atomic Theory
A theory on how to become ant man
A theory on nuclear weapons
YEAH!! SIENCE!!
a theory that states all matter is composed of tiny particles called atoms.
13
What is the Relative mass and Charge of an electron
5.5x10^-4, -1
0.055, -1
5.5x10^-4, 1
0.055, 1
14
How did Chadwick contribute to the Atomic Theory?
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
created the plum pudding theory after discovering electrons.
planetary model where e- revolve about the nucleus. "constant energy."
found the neutron (n). proposed that the nucleus was composed of n and p+.
15
How did Milikan contribute to the Atomic Theory?
all matter is made of tiny units called atoms. particles without internals.
Determined the charge of an e- using the oil drop experiment
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
Each element have different types of atoms which are small and invisible.
16
How did Thomson contribute to the Atomic Theory?
all matter is made of tiny units called atoms. particles without internals.
found the neutron (n). proposed that the nucleus was composed of n and p+.
created the plum pudding theory after discovering electrons.
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
17
How did Schrodinger contribute to the Atomic Theory?
Matter is made of 5 elements. Fire, Water, Earth, Air, and Either
found the neutron (n). proposed that the nucleus was composed of n and p+.
model allowed the electron to occupy three-dimensional space. 3 quantum #'s
all matter is made of tiny units called atoms. particles without internals.
18
What is the equation used to find the number of Neutrons in an atom
Proton Number / Atomic Mass Number
Atomic Mass Number + Proton Number
Atomic Mass Number x Proton Number
Atomic Mass Number - Proton Number
19
What is the Law of Conservation of Matter
a given compound always contains the same proportion of elements by mass
That thing that smart guy said once… Albert Einstein?
the weight of a elemnt that combine with a weight of another are in a ratio
Matter is not created nor destroyed in any chemical or physical change
20
What did Milikan determine to be the charge of an electron. (Its within 1% of todays predictions)
1.5924x10^-19
1.602176487x10^19
1.5924x10^-19
1.602176487x10^-19
21
What is the Law of Multiple Proportions
Matter is not created nor destroyed in any chemical or physical change
the weight of a elemnt that combine with a weight of another are in a ratio
a given compound always contains the same proportion of elements by mass
I know this one, its definitly baking but multiple!
22
How did Democritus contribute to the Atomic Theory?
found the proton. made the nuclear model in which a nucleus exists. #p = #e
all matter is made of tiny units called atoms. particles without internals.
planetary model where e- revolve about the nucleus. "constant energy."
found the neutron (n). proposed that the nucleus was composed of n and p+.
23
How can you find an elements average atomic mass?
By multiplying the coefficient by the charge
On the periodic table, typically under the element
By multiplying the number of elections and protons
By adding together the protons and neutrons

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