Worksheets8.4 Protons, electrons, and the periodic table
Total questions: 10
Worksheet time: 50mins
The nucleus of an atom is made up of
electrons and neutrons
protons and neutrons
electrons and protons
only protons
In the modern periodic table,
the elements are arranged in order of their number of .............................
protons
electrons
neutrons
nucleus
Electrons whizz around an atom outside its nucleus.
The electrons occupy ................................
shells
energy levels
orbits
all are same
The electronic structures for the argon
2
2,8
2,8,7
2,8,8
The nucleus of an atom is made up of protons and electrons.
True
False
All atoms of an element have the same number of protons.
True
False
The first electron shell can hold a maximum of eight electrons.
True
False
In a neutral atom, the number of protons is equal to the number of neutrons.
True
False
What are the maximum numbers of electrons in the first shell of an atom?
1
2
8
12
What are the maximum numbers of electrons in the second shell of an atom?
1
2
8
12
