Créer une activité
Créer une activité
Toutes les activités
Jouer Froggy Jumps
1. How many elements are there known?
A
108
B
118
C
116
2. Name of the first group of the periodic table.
A
Alkaline earth metals
B
Alkali metals
C
Halogens
3. Avocado's number
A
6,022·10²³
B
6,022·10⁻²³
C
Doesn't exist
4. A diamond is an example of metal which is solid at room temperature
A
I don't know, soy del betis
B
True
C
False
5. Positve ions are...
A
Cation
B
Anion
C
Onion
6. The element 16 is a nonmetallic element.
A
True
B
False, is a metal
C
False, is a metolloid
7. Example of a element good conductor of electricity
A
Sb
B
Al
C
Ge
8. Mm of Fe₂O₃
A
158 g/mole
B
156 g/mole
C
136 g/mole
9. Which bond is soluble in water
A
Metallic bond
B
Ionic bond
C
Covalent bond
10. Who is the abundance element in the Earth cruse
A
Earth
B
Water
C
Oxygen