the periodic table Flashcards
1
Q
Is the following statement true or false?
‘There are more non-metals than metals in the periodic table’.
A
False
2
Q
What group of the periodic table is strontium found in? (Hint: the atomic number of strontium is 38).
A
2
3
Q
Phosphorous is in group 5 of the periodic table. How many electrons does a phosphorous atom have in its outermost energy level?
A
5
4
Q
An atom has a mass number of 12 and its atomic number is 6.
What is this element and how many neutrons does this atom have in its nucleus?
A
The element is carbon, which has 6 neutrons
5
Q
Which statement below about elements within a group of the periodic table is true?
A
They have the same number of electrons in their outermost energy levels
