18 questions
UP and DOWN columns on the periodic table are
groups
periods
SIDE TO SIDE rows on the periodic table are
groups
periods
Which elements have properties in common?
elements in a group
elements in a period
The group number tells you the number of
protons
valence electrons
energy levels
The period number tells you the number of
protons
energy levels
valence electrons
Which two elements have properties in common?
Nitrogen and Phosphorous
Oxygen and Nitrogen
Sulfur and Nitrogen
How many protons does Lithium have?
3
4
7
These elements are in a:
group
period
Do these elements have properties in common?
yes
no
These elements are in a:
group
period
Do these elements have properties in common?
yes
no
Which elements are stable?
Group 1
Group 8
Group 18
Which elements have 1 valence electron?
period 1
group 1
group 4
which elements have 4 valence electrons?
group 3
group 4
group 14
Nitrogen is an atom with 5 valence electrons. Oxygen is an atom with 6 valence electrons. How many valence electrons does Sulfur have?
5
6
11
4
Elements in the same __ have the same number of valence electrons
group
period
row
chart
Chlorine is a halogen - which means it is a nonmetal that forms a "salt" when chemically combined with metals. What other elements have this property in common with chlorine? Use the periodic table.
Fluorine, Bromine, Iodine
Sulfur, Oxygen, Boron
Neon, Argon, Krypton
Hydrogen and Helium
Elements in the same __ have the same number of energy levels.
group
period
row
chart