Atomic number & valency 30 elements Flashcards
1
Q
What is the atomic number of Hydrogen?
A
1
2
Q
What is the symbol for Helium?
A
He
3
Q
What is the valency of Lithium?
A
1
4
Q
What is the atomic number of Carbon?
A
6
5
Q
Which element has the symbol ‘N’?
A
Nitrogen
6
Q
True or False: The valency of Oxygen is 2.
A
True
7
Q
What is the symbol for Sodium?
A
Na
8
Q
What is the atomic number of Magnesium?
A
12
9
Q
Fill in the blank: The valency of Fluorine is ____.
A
1
10
Q
What is the atomic number of Iron?
A
26
11
Q
Which element has the symbol ‘Cl’?
A
Chlorine
12
Q
What is the valency of Neon?
A
0
13
Q
What is the atomic number of Silicon?
A
14
14
Q
True or False: The symbol for Potassium is ‘P’.
A
False
15
Q
Which element has the atomic number 29?
A
Copper
