The Aufbau principle states that:

Electrons must fill orbitals starting with the lowest energy level available

If there are two electrons in the same orbital, they must spin in opposite directions

Electrons must have a negative charge

The atomic number of an atom is:

The amount of protons in the atom

The amount of electrons and neutrons in the atom

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leonie.examtime 10 questions 3,846 views 4.1 (15 ratings)

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1How is an electron charged?
1. ANeutrally
2. BNegatively
3. CPositively
2Who discovered the electron?
1. AJJ Thompson
2. BFriedrich Hund
3. CJames Chadwick
3How many electrons can the P orbital hold?
1. A4
2. B2
3. C6
4. DThere is no limit
4The Aufbau principle states that:
1. AElectrons must fill orbitals starting with the lowest energy level available
2. BIf there are two electrons in the same orbital, they must spin in opposite directions
3. CElectrons must have a negative charge
5How is a proton charged?
1. APositively
2. BNeutrally
3. CNegatively
6Which is the lightest of the following?
1. AAn electron
2. BA proton
3. CA neutron
7If an atom is negatively charged it is called:
1. AA cation
2. BAn anion
3. CAn ion
8The atomic number of an atom is:
1. AThe amount of electrons and neutrons in the atom
2. BThe amount of protons in the atom
3. CThe charge on the atom
9The modern periodic table is arranged by:
1. AAtomic number
2. BName
3. CAtomic Weight
10Where are the neutrons in the atom?
1. AOrbiting the nucleus
2. BFloating around randomly
3. CIn the nucleus

Description: This quiz tests your knowledge of Atoms, Protons, Neutrons and Electrons
Author: leonie.examtime
Language: English
Views: 3,846
Tags: atoms protons neutrons and electrons beginner chemistry chemistry atoms, protons, neutrons and electrons
Rating: 4.1 out of 5 · 15 ratings
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