1
Which solid element assumes liquid form at room temperature?
Mercury
Argonium
Gold
Helium
64% got this right
2
What is the symbol for gold on the periodic table?
Au
Ag
Cu
Fe
71% got this right
3
What gives the planet Mars its red appearance?
Its surface contains a lot of rust
It's covered in red flowers
It’s a light phenomenon looking from Earth
It’s not red
57% got this right
4
What percentage of the human body is salt?
0.25%
1%
5%
No salt at all
37% got this right
5
What is the chemical make up of water?
H2O
C-3PO
O2
W2O
93% got this right
6
What is produced by lightning strikes?
Ozone
CO2
Helium
Oxygen
36% got this right
7
Which chemical substance is needed for the creation of diamonds?
Carbon
Helium
Hydrogen
Salt
65% got this right
8
Which chemical element has the atomic number 1 on the periodic table?
Hydrogen (H)
Carbon (C)
Lithium (Li)
Titanium (Ti)
78% got this right
9
In liquid form, what color is oxygen?
Blue
Green
Pink
Yellow
72% got this right
10
Which letter never appears in the periodic table?
J
A
B
P