Table Flashcards
(27 cards)
What is the atomic number of Hydrogen?
1
Which element has the symbol ‘He’?
Helium
True or False: Lithium is the lightest metal.
True
What is the atomic number of Carbon?
6
Fill in the blank: The first 20 elements of the periodic table include Hydrogen, Helium, Lithium, Beryllium, ______.
Boron
What is the symbol for Nitrogen?
N
Which element is represented by the symbol ‘O’?
Oxygen
What is the atomic number of Neon?
10
True or False: Fluorine is a noble gas.
False
What is the placement of Sodium in the periodic table?
11
Which element comes after Magnesium in the periodic table?
Aluminum
What is the atomic number of Silicon?
14
Fill in the blank: The element with atomic number 15 is ______.
Phosphorus
What is the symbol for Sulfur?
S
What is the atomic number of Argon?
18
True or False: Potassium is represented by the symbol ‘K’.
True
Which element has the highest atomic number among the first 20 elements?
Calcium (20)
What is the placement of Iron in the periodic table?
26 (not in the first 20 elements)
What element is represented by the symbol ‘Li’?
Lithium
True or False: Beryllium is a metalloid.
False
Which element is a gas at room temperature among the first 20 elements?
Nitrogen
What is the atomic number of Chlorine?
17
Which element is represented by the symbol ‘F’?
Fluorine
Fill in the blank: The element with the symbol ‘C’ is ______.
Carbon
