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WorksheetsChemistry quiz 2 for tuition
Total questions: 10
Worksheet time: 6mins
What was the drawback of Rutherford's model of an atom?
The instability of an electron being in an orbit
The size of the nucleus being very small
There was only one electron in every nucleus
The magnitude of the positive and negative charge was equal
Which of the following have Latin or Greek names in the periodic table?
Zinc
Lead
Sulphur
Tungsten
Why was the drawback of Dalton's symbols denoting elements accepted?
Because it did not show any relation to the atomic structure
Because it was not connected to the modern periodic table
Because it was difficult and tedious to indicate them
Because it did not reflect the properties of each element
Which one of them is iron?
Who is the Indian philosopher who said if we go on dividing matter we will get an atom (parmanu)?
Aryabhatta
Pakudha Katyayama
Drona
Maharishi Kanad
What does the word "mole" mean in Latin?
It means an atom
It means a molecule
It means an isotope
It means a pile or a heap
Which of the following are tetra atomic?
Sulphur
Chlorine
Phosphorus
Carbon
What is the molecular mass of C2H2?
68
42
25
35
Calculate the molecular mass of HNO3
70 u
63 u
69 u
60 u
How many moles are there in 24.088* 1023 of He atoms?
5
7
3
6
4
