FIRST 30 ELEMENTS
Authored by sowmya vigneshwari
Chemistry
8th - 9th Grade
Used 386+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following set of elements has even atomic numbers?
V and Li
Ni and Mg
Mn and Ti
O and Cl
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following set of elements has odd atomic number?
C and Al
Cr and B
H and Zn
K and Co
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Which is the 23rd element?
Va
V
Cr
Ti
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
The atomic masses of Cu and Ca are
29 and 20
40 and 58
63 and 40
28 and 19
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
What is the atomic number of Na and Fe?
11 and 25
12 and 24
13 and 27
11 and 26
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
An element has atomic mass of 28. Guess the name of the element.
Ni
Si
P
Cu
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
The element which present in between Iron and Nickel is ------
Cr
Co
Mg
Mn
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