RETAKE: Atomic Theory Quick Quiz
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Last updated 7 months ago
17 questions
Required
1
The number of protons and electrons is equal on the periodic table, because the periodic table is assumed to be neutral (which means each atoms has an equal amount of negatively charged electrons & positively charged protons)
The number of protons and electrons is equal on the periodic table, because the periodic table is assumed to be neutral
(which means each atoms has an equal amount of negatively charged electrons & positively charged protons)
Required
1
The atomic mass represents ONLY the neutron count for the atom.
Atomic Mass = Neutron #
The atomic mass represents ONLY the neutron count for the atom.
Atomic Mass = Neutron #
Required
1
We NOW (currently) know that electrons move slowly on orbits around the nucleus.
We NOW (currently) know that electrons move slowly on orbits around the nucleus.
Required
1
The ___________ is the name of the model that mirrors our current understanding of the atom
The ___________ is the name of the model that mirrors our current understanding of the atom
Required
1
Who was the first to say that MATTER could be broken down into smaller parts; he gave the atom its name by saying the smallest particle is indivisible, or "Atomos".
Who was the first to say that MATTER could be broken down into smaller parts; he gave the atom its name by saying the smallest particle is indivisible, or "Atomos".
Required
1
Which scientist came up with the planetary model, which stated that electrons orbit the nucleus like planets and are arranged in a set pattern on energy shells according to their energy levels?
Which scientist came up with the planetary model, which stated that electrons orbit the nucleus like planets and are arranged in a set pattern on energy shells according to their energy levels?
Required
1
This scientist was credited for creating several laws regarding the behavior and workings of atoms, such as "The Law of Conservation of Matter" and "The Law of Definite Proportions"
This scientist was credited for creating several laws regarding the behavior and workings of atoms, such as "The Law of Conservation of Matter" and "The Law of Definite Proportions"
Required
1
This scientist discovered the proton and the nucleus, leading him to also discover that most of the atom is actually made up of empty space where the electrons reside.
This scientist discovered the proton and the nucleus, leading him to also discover that most of the atom is actually made up of empty space where the electrons reside.
Required
1
Who discovered the electron?
Who discovered the electron?
Required
1
This scientist discovered the neutron and that it had the greatest mass
This scientist discovered the neutron and that it had the greatest mass
Required
0.5
Who was the first scientist that said that ATOMS could be broken down into smaller parts when he discovered the first subatomic particle.
Who was the first scientist that said that ATOMS could be broken down into smaller parts when he discovered the first subatomic particle.
Required
1
Which scientist came up with this model that said electrons floated freely in a positively charged space? It is often referred to as the Plum Pudding Model
Which scientist came up with this model that said electrons floated freely in a positively charged space? It is often referred to as the Plum Pudding Model
Required
1
Whose model of the atom included NEUTRONS in the nucleus?
Whose model of the atom included NEUTRONS in the nucleus?
Required
1
How many neutrons does the atom Fluorine have? (Remember: round the atomic mass to the nearest whole number)
How many neutrons does the atom Fluorine have? (Remember: round the atomic mass to the nearest whole number)
Required
1
Whose model of an atom said that protons exist inside a space called the nucleus while electrons floated randomly around the nucleus in a free space. HINT: It was called the Nuclear model due to the recent discovery of the nucleus
Whose model of an atom said that protons exist inside a space called the nucleus while electrons floated randomly around the nucleus in a free space.
HINT: It was called the Nuclear model due to the recent discovery of the nucleus
Required
1
This is the subatomic particle that's responsible for determining the identity of an atom/element
This is the subatomic particle that's responsible for determining the identity of an atom/element
0
EXTRA CREDIT: List the scientists in chronological order (from oldest to most recent)
EXTRA CREDIT: List the scientists in chronological order (from oldest to most recent)
- Dalton
- Bohr
- Rutheford
- Thomson
- Chadwick
- Democritus